Symposium List [As of 30 Dec., 2004]

Themes


A. GASES, AEROSOLS AND CLOUDS

B. PRECIPITATION AND FORECASTING

C. CLIMATE VARIABILITY AND CHANGE

D. ATMOSPHERIC DYNAMICS

E. STRATOSPHERE- TROPOSPHERE INTERACTIONS

F. POLAR ATMOSPHERES

G. ATMOSPHERIC ELECTRICITY AND ELECTRICAL EFFECTS

H. OZONE AND RADIATION

I. PLANETARY ATMOSPHERES

J. JOINT SYMPOSIA WITH INTERNATIONAL COMMISSION OF SNOW AND ICE (ICSI) OF THE INTERNATIONAL ASSOCIATION OF HYDROLOGICAL SCIENCES (IAHS)

S. SPECIAL EVENTS

Description of Symposia for IAMAS2005


A. GASES, AEROSOLS and Clouds

A1 Aerosols, Radiation and Clouds
A2 Air Pollution over Asia
A3 Carbon Cycle and Climate
A4 Water Stable Isotopes and Climate: Modelling and Observations
A5 Mineral Dust Processes from Microphysical to Climate Scales
A6 Advanced Remote Sensing of Trace Constituents in the Atmosphere
A7 NOx from Lightning and Anthropogenic Production, and its Transport and Chemical Transformation by Deep Convection
A8 Intercontinental Transport of Pollution

A1: Aerosols, Radiation and Clouds (ICCP, ICACGP, ICCL, and IRC)
The uncertainties related to clouds remain one of the largest problems in understanding global climate and estimating climate change. It is widely recognized that small errors in model parameterizations of global cloud cover, cloud liquid water content, cloud particle concentration, ice/liquid fractions, and precipitation amounts can affect the projected warming resulting from changes in greenhouse gas and aerosol concentrations. As outlined in the most recent IPCC report, there continue to be significant uncertainties related to the effects of aerosols on cloud properties and precipitation processes. In addition, there are many questions related to the radiative properties of clouds and how they are simulated in atmospheric models.
This symposium invites papers reporting on recent advances in scientific understanding achieved through improved measurements (e.g., satellite remote sensing), field studies, and numerical modelling. Key topics are expected to include:

Aerosols Radiation Clouds

I. Aerosols concentration/size
II. Aerosol chemistry
III. Aerosol vertical and geographical distribution
IV. Cloud condensation nuclei
V. Ice nuclei
VI. Direct and indirect effects of aerosols
VII. Remote and in-situ sensing systems
VIII. Climate modeling techniques.

IX. Radiation budget
X. Radiative properties of clouds and aerosols
XI. Combined measurements and shortwave, longwave and microwave radiometers
XII. Inhomogeneous clouds
XIII. Non-spherical particles
XIV. Gaseous adsorption and spectroscopy
XV. Climate modeling techniques

 

XVI. Cloud coverage/vertical distribution
XVII. Cloud particle concentration/size/shape
XVIII. Ice/liquid ratios
XIX. Precipitation formation
XX. Cloud systems
XXI. Remote and in-situ sensing systems
XXII. Climate modeling techniques

 

 


Conveners:
George A. Isaac, Meteorological Service of Canada, 4905 Dufferin Street, Toronto, Ontario, Canada, M3H 5T4; Tel: +1-416-739-4605; Fax: +1-416-739-4211; george.isaac@ec.gc.ca
Norman McFarlane, Canadian Center for Climate Modelling and Analysis, Meteorological Service of Canada, Box 1700, Victoria, British Columbia, V6N 3X3, Canada; Tel: +1-250-353-82327; Fax: +1-250-363-8247; Norm.McFarlane@ec.gc.ca
Ulrike Lohmann,ETH, Institute for Atmospheric and Climate Science Honggerberg HPP L1.2, Schafmattstr. 30 CH-8093 Zurich, Switzerland; Tel: +41 (0)1 633 0514; FAX: +41 (0)1 633 1058; ulrike.lohmann@env.ethz.ch
Jinli Liu, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029 China; Tel: 86 10 6204 8922 ; Fax: 86 10 6202-8604; jliu@mail.iap.ac.cn
Guangyu Shi, Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029, China; Tel: +86-10-6204-0674; Fax: +86-10-6204-3526; shigy@mail.iap.ac.cn
J. Vanderlei Martins, Univ. of Maryland Baltimore County, JCET/NASA GSFC, Phone: 1-301- 614 5818; Fax: 1-301-614 6307; martins@climate.gsfc.nasa.gov

A2: Air Pollution over Asia (ICACGP, IOC)
Air pollution over Asia has attracted the attention of atmospheric scientists around the world, not only because of the serious deterioration of air quality in this region due to rapid economic development, but also because of concerns about the intercontinental transport and potential impacts on regional and global climate by air pollutants from this region. Air pollution over Asia is characterized by complex features resulting from the co-existence of multiple pollutants with high concentrations, a situation that raises many scientific questions which challenge the current scientific understanding of air pollution chemistry and physics. Many research efforts have been initiated by local, regional, and global organizations to study air pollution over Asia from perspectives ranging from local air quality control to global climate change.
This symposium invites papers reporting advances in the scientific understanding achieved through investigation of emission inventories, field observations, process studies, and numerical modeling. Key topics are expected to include: 1) mega city and city-cluster air pollution in Asia; 2) Asian haze and its impacts on the region's climate; 3) transport of air pollutants across Eurasia and the Pacific; 4) interaction of Asian dust with urban pollution plumes; 5) air pollution complex; 6) regional air pollution and climate change; and 7) impacts of air pollution on health and ecosystems.
Conveners:
Hajime Akimoto, Frontier Research Center for Global Change, Japan Agency for Marine-Earth Science and Technology, 3173-25 Showa-machi, Kanazawa-ku, Yokohama 236-0001, Japan; Tel: +81-45-778-5710; Fax: +81-45-778-5496; akimoto@jamstec.go.jp
Tong Zhu, College of Environmental Science, Peking University, Beijing 100871, China; Tel: +86-10-6275-4789; Fax: +86-10-6275-1927; tzhu@pku.edu.cn

A3: Carbon Cycle and Climate (the Global Carbon Cycle Project and ICCL)
The symposium on Carbon Cycle and Climate invites contributions on the magnitudes and distributions of global carbon sources and sinks at various temporal and spatial scales, and on interactions between the global carbon cycle and climate. The aim of this session is to encourage a multi-disciplinary approach to considering the carbon cycle and its interactions with climate and climate change. Topics of relevance include: regional and national carbon inventories; CO2 emissions from land use change and fires; measurements and modelling of the net CO2 exchange of terrestrial ecosystems; land surface modelling, including the treatment of carbon dynamics in global climate models; interactions between the carbon cycle and past, present and future climates; and applications of model-data fusion in regional and global carbon cycle studies. Papers are also welcome on studies of the global carbon cycle in an Earth system model and in the context of human dimensions.
Conveners:
Yingping Wang, CSIRO Atmospheric Research, Private Bag 1, Aspendale, Victoria, Australia; Tel: +61-3-9239 4577; Fax: +61-3-9239-4444; yingping.wang@csiro.au
Yongjiu Dai, Research Center for Remote Sensing and GIS, Beijing Normal University, Beijing 100875, China; Tel: +86-10-5880-5436; Fax: +86-10-5880-5274; yongjiudai@bnu.edu.cn
Jinjun Ji, Institute of Atmospheric Physics, Chinese Academy of Sciences, Chaoyang District, Beijing 100029, China; Tel: +86-10-6202-6126; Fax: +86-10-6204-5230; jijj@mail.iap.ac.cn

A4: Water Stable Isotopes and Climate: Modelling and Observations (ICACPGP, ICCL)
Water stable isotopes are widely used to provide paleoclimatic reconstructions using various natural archives; they can be precious paleotemperature indicators but include an integrated signature describing the atmospheric water cycle. The explicit modelling of water stable isotopes is also possible in atmospheric models and recent efforts have been directed towards their representation in convection, mesoscale modelling, and cloud microphysics. They also provide an additional technique for evaluating the realism of coupled ocean-atmosphere climate models. This symposium invites papers that can help in stimulating interactions between the various communities sharing the use of water stable isotopes leading to better constraints on understanding of the water cycle.
Conveners:
Valerie Masson-Delmotte, Lab. des Sciences du Climat et de l'Environnement, LSCE UMR CEA/CNRS 1572 Bat 709, L'Orme des Merisiers CEA, Saclay, 91 191 Gif sur Yvette Cedex, France, Tel: +33-1-69 08 77 15; Fax: +33-1-69 08 77 16; masson@lsce.saclay.cea.fr
Xiaoye Zhang, Chinese Academy of Meteorological Sciences, 46 Zhongguancun S. Avenue, Beijing 100081, China; Tel. +86-10-6840-8943; Fax. +86-10-62175931; xiaoye@cams.cma.gov.cn

A5: Mineral Dust Processes from Microphysical to Climate Scales (ICCP)
This symposium will be a follow-up to the very successful sessions on mineral dust held at the IAMAS, 2001 Science Assembly in Innsbruck, Austria, and at the 2nd International Workshop on Mineral Dust in Paris in 2003. This symposium solicits updates and new results in areas of mineral dust research, including:
1) Dust sources and processes leading to dust suspension and removal;
2) In-situ measurements of dust physical and chemical properties (size, shape, concentration, vertical distribution, chemical composition, mineralogy);
3) Optical properties of dust particles and their effects on radiation;
4) Remote sensing of dust particles (passive and active remote sensing);
5) Mineral dust effects on aerosols, clouds, and precipitation;
6) Predicting entrainment and deposition in mesoscale and global models;
7) Mechanisms of interaction between climate and dust;
8) Inferring dust behavior from loess measurements;
9) Dust effects on air-quality and ecosystem (including human) health; and
10) Explaining observed dust variability from interannual to paleoclimatic time scales.
Conveners:
Zev Levin, Department of Geophysics and Planetary Science, Tel Aviv University, Ramat Aviv 69978, Israel; Tel: 972-3-6408274; Fax: 972-3-6409282; zev@hail.tau.ac.il.
Charlie Zender, Department of Earth System Science, 1 Physical Sciences Road, University of California, Irvine, CA 92697-3100 USA; Tel: +1-949-824-2987; Fax: +1-949-824-3256; zender@uci.edu
Zifa Wang, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Tel: +86-10-8208-4278; Fax: +86-10-6205-7476; zifawang@mail.iap.ac.cn

A6: Advanced Remote Sensing of Trace Constituents in the Atmosphere (IRC, IOC, ICDM, ICACGP)
Remote sensing of atmospheric constituents has applications at local, regional and global scales for various aspects of air quality research, ozone measurement, and global change. Instrumentation is now available for a number of platforms, including ground-based, aircraft, balloon and satellite. Many new instruments have been developed in response to demand for timely data for a variety of purposes. This symposium invites papers describing new measurements with established and new instrumentation that have application in the above areas.
Conveners:
James R. Drummond, Department of Physics, University of Toronto, Toronto M5S 1A7, Canada; Tel: +1-416-978-4723; Fax: +1-416-978-8905; james.drummond@utoronto.ca
Pucai Wang, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Tel. +86-10-6204-0810; Fax. +86-10-6202-8604; pcwang@mail.iap.ac.cn

A7: NOx from Lightning and Anthropogenic Production, and its Transport and Chemical Transformation by Deep Convection (ICAE, ICACGP, IOC)
This symposium invites papers contributing to study of the role of thunderstorms in the production of NOx by lightning and deposition of NOx in the upper troposphere by transport. In addition, this symposium invites papers that assess the relative roles of anthropogenic production of NOx in the planetary boundary layer and the transport and chemical transformation of NOx in the troposphere and their implications for atmospheric chemistry and the environment.
Conveners:
James E. Dye, National Center for Atmospheric Research, PO Box 3000; Boulder CO 80307, USA; Tel: +1-303-497-8944; Fax: +1-303-497-8171; dye@ucar.edu
Pierre Laroche, Atmospheric Environment Research Unit, Physics, Instrumentation and Sensing Department, ONERA, 92322 Chatillon Cedex France; Tel +33 1 46734723; Fax +33 1 46734148; laroche@onera.fr
Xiaoyan Tang, College of Environmental Sciences, Peking University, Beijing 100871, China; Tel: +86-10-6275-1925; Fax: +86-10-6275-1927; xytang@ces.pku.edu.cn
Hajime Akimoto, Institute for Global Change Research, Frontier Research System for Global Change, 3173-25 Showa-machi, Kanazawa-ku, Yokohama 236-0001, Japan; Tel: +81-45-778-5710; Fax: +81-45-778-2292; akimoto@jamstec.go.jp

A8: Intercontinental Transport of Pollution (ICACGP)
"What comes around goes around" is one way to express the phenomenon of long-range transport of pollution from continent to continent across wide oceans. It is now recognized that ozone, CO and a number of reactive trace gases with intermediate lifetimes (days to weeks) can travel far from their origins, having impacts downwind. This raises interesting issues regarding the control and regulation of trans-boundary pollution. Intercontinental transport has been studied with models, through global networks and in a series of recent field experiments. Papers on these topics are solicited.
Conveners:
Anne Thompson, NASA/Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Branch, Greenbelt, Maryland USA; Tel: +1-301-614-5731; Fax: +1-301-614-5903; anne.m.thompson@nasa.gov
James Gleason, NASA/Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Branch, Greenbelt, Maryland USA; Tel: +1-301-614-6036; Fax: +1-301-614-5903; James.f.gleason@nasa.gov
Xiaoye Zhang, Chinese Academy of Meteorological Sciences, 46 Zhongguancun S. Avenue, Beijing 100081, China; Tel. +86-10-6840-8943; Fax. +86-10-62175931; xiaoye@cams.cma.gov.cn

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B. PRECIPITATION AND FORECASTING

B1 The Impacts of Aerosol Pollution and Biomass Burning on Precipitation
B2 Space-Based Remote Sensing of the Atmosphere
B3 Organization, Structure, Modelling and Consequences of Tropical Precipitation
B4 Advances in Weather Research
B5 Advances in Data Assimilation

B1: The Impacts of Aerosol Pollution and Biomass Burning on Precipitation (IAMAS and WMO)
The World Meteorological Organization, WMO and the umbrella organization of IAMAS, the International Union Geophysics and Geodesy, have embarked on an assessment of the effects of aerosols on precipitation. This symposium will address this issue and invites papers on such topics as the effects of pollution aerosol, such as smoke from biomass burning, on clouds and precipitation, including observations, measurements, climatologies, and model representations on scales ranging from local to global.
In addition a roundtable discussion will be held to discuss scenarios for improving scientific insights into the effects of aerosols on precipitation as well as issues of strategy, technology development, sociological and policy aspects and implications. Contributions to this roundtable, not exceeding two pages, should be sent to roland.list@sympatico.ca who will collate them on a IAMAS Webpage by February 2005.
Conveners:
Peter V. Hobbs, Department for Atmospheric Sciences, Box 351640, University of Washington, Seattle, WA 98195-1640, USA Tel: +1-206-543-6027, Fax: +1-206-685-7160, phobbs@atmos.washington.edu
Roland List, Department of Physics, University of Toronto, Toronto, Ont. M5S 1A7, Canada, Tel: +1-416-978-2982; Fax: +1-416-978-8905; roland.list@sympatico.ca
Leonard A. Barrie, Environment Division, Atmospheric Research and Environment Programme, World Meteorological Organization, 7 bis, avenue de la Paix, BP2300, CH-1211 Geneva 2, Switzerland; Tel: +41 22 730 82 40; Fax: +41 22 730 80 49; Lbarrie@wmo.int
Xiaobin Xu, Chinese Academy of Meteorological Sciences, No.46, Zhongguancun south road, 100081 Beijing, China; Tel: +86-10-6840-9574, 13520343073(cell); Fax: +86-10-6217-6793; xuxb@cams.cma.gov.cn
Zev Levin, Department of Geophysics and Planetary Science, Tel Aviv University, Ramat Aviv, 69978, Israel; Tel: 972-3-6408274; Fax: 972-3-6409282; zev@hail.tau.ac.il

B2: Space-Based Remote Sensing of the Atmosphere ( IAMAS)
Satellites currently in orbit and those in the planning stages are opening up the possibilities for new streams of data from both passive and active sensors. This symposium is designed to be an interdisciplinary research forum for satellite-based studies of clouds and precipitation. Topics of particular interest include cloud properties retrieval, quantitative precipitation measurements, ground and aircraft validation of satellite products, assimilation of observations into numerical models, and new measurement technologies and techniques.
A principal value of satellite observations is for the understanding of physical processes in sufficient detail that they can be accurately represented in numerical models. Space-based technologies view volumes of the atmosphere that are most similar to the grid scales of models and can accumulate adequate statistics over time. However, these remote measurements do not in general measure atmospheric properties directly. From these measurements, derived quantities are inferred, often using multi-sensor techniques. This information requires its own validation in order to be useful to the modelling community. This symposium seeks to bring together remote sensing specialists, in-situ observationalists, and numerical modelers in promoting an integrated approach to ensuring that satellite analyses attain quality levels necessary for quantitative applications.
Conveners:
David Hudak, Cloud Physics and Severe Weather Research Division, Meteorological Service of Canada, 14780 Jane Street, King City, Ontario, L7B 1A3, Canada; Tel: +1-905-833-3896, x242; Fax: +1-905-833-0398; David.Hudak@ec.gc.ca
J. Marshall Shepherd, Global Precipitation Measurement Mission (GPM), and Research Meteorologist, NASA Goddard Space Flight Center, Code 912, Earth Sciences Directorate, Greenbelt, MD 20771 USA; Tel: +1-301-614-6327; Fax: +1-301-614-5492; marshall.shepherd@nasa.gov
Chris Kummerow, Colorado State University, Dept. of Atmospheric Science, Ft. Collins, CO 80523 USA; Tel: +1-970-491-7473; Fax: +1-970-491-8449; kummerow@atmos.colostate.edu
Naimeng Lu, Institute of Satellite Meteorology, National Satellite Meteorological Center, 46, ZhongGuanCun Nandajie, Haidian District, Beijing 100081, China; Tel. +86-10-6840-8757; Fax. +86-10-7217-2724; lunaimeng@nsmc.cma.gov.cn
Kenji Nakamura, Hydrospheric Atmospheric Research Center, Nagoya University, Furocho, Chikusaku, Nagoya 464-8601, Japan; Tel. +81-52-789-5439; Fax: +81-52-789-3436; nakamura@hyarc.nagoya-u.ac.jp
Wu Rongzhang, Institute of Satellite Meteorology, National Satellite Meteorological Center, 46, Zhong Guan Cun Nandajie, Haidian District, Beijing 100081, China; Tel: +86-10-6840-6394; Fax: +86-10-7217-2724; wrz@nsmc.cma.gov.cn

B3: Organization, Structure, Modelling and Consequences of Tropical Precipitation (IAMAS, ICCP)
Tropical precipitation is a dominant component of the weather and climate of the tropics. It is also very significant for mid-latitudes, as the associated latent heat released drives the Hadley circulations that carry heat polewards from the tropics. It is complex, highly localized, and variable. This symposium invites papers on all observational, theoretical and modelling aspects of tropical precipitation, and its implications for flood forecasting. Preference will be given to studies of the spatial structure and large-scale temporal variability of tropical rainfall.
Conveners:
Peter G. Baines, School of Mathematics Bristol, UK BS8 1TW; Tel: +44-(0) 117 3317031; Fax: +44-(0) 117 9287999; P.Baines@bristol.ac.uk
Peter J. Webster, Schools of Earth & Atmospheric Science and Civil & Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0355, USA; pjw@eas.gatech.edu
Lianshou Chen, Chinese Academy of Meteorological Sciences, China Meteorological Administration, No.46, Zhongguancun South Road, Beijing, 100081 China; Tel: +86-10-6840-7056; Fax: +86-10-6217-5931; cams@public.bta.net.cn

cuban cigars B4: Advances in Weather Research (IAMAS, ICCP)
THORPEX is a WMO global atmospheric research programme addressing key scientific research problems relating to improvements in high-impact weather forecasts in the time range from one day to two weeks. The research and operational challenge is to develop truly interactive forecast systems in which observations, their use in data assimilation and the design of the numerical modelling system are adapted to the requirements of the users of the forecasts. The objectives of THORPEX are described within four sub-programmes: Predictability and Dynamical Processes; Observing Systems; Data Assimilation and Observing Strategies; Societal and Economic Applications. Topics to be considered in this symposium will be wide-ranging, relating to all aspects of weather research focused on forecast improvement, including quantitative prediction of precipitation. See http://www.wmo.int/thorpex
Conveners:
Alan J. Thorpe, NERC Centres for Atmospheric Science, Dept of Meteorology, University of Reading, Earley Gate, PO Box 243, Reading RG6 6BB, UK; Tel: + 44 (0) 118 378 6979/6452; Fax: + 44 (0) 118 378 6462; A.J.Thorpe@reading.ac.uk
Mel Shapiro, National Center for Atmospheric Research, Boulder, CO, USA, Tel: +1-303-497-8965; mshapiro@ucar.edu
Christoph Schaer, Institut fuer Atmosphare und Clima, IAC, ETH Hoenggerberg HPP, CH-8093 Zurich, SWITZERLAND Tel: +41-1 635 5199; Fax: +41 1 635 5199; schaer@geo.umnw.ethz.ch
George A. Isaac, Cloud Physics Research Division, Meteorological Service of Canada, 4905 Dufferin Street, Downsview, Ontario, M3H 5T4, Canada; Tel: +1-416-739-4605; Fax: +1-416-739-4211; George.Isaac@ec.gc.ca
Peter Baines, 107-121 Station Street, Aspendale, Victoria, Australia 3195; Postal address: PMB 1 Aspendale Vic 3195; Tel: (+613) 9239 4400; Fax: (+613) 9239 4444; p.baines@civenv.unimelb.edu.au
Zhemin Tan, Department of Atmospheric Sciences Nanjing University, Nanjing 210093, China; Tel: +86-25-8359-7085; Fax: +86-25-8359-7085; zmtan@netra.nju.edu.cn

B5: Advances in Data Assimilation (IAMAS)
Data Assimilation is a key technique in modern weather analysis and forecasting, allowing the use of a wide variety of measurements of the atmosphere. A major focus of this symposium will be the increasing development of mesoscale data assimilation methods to produce detailed short-range forecasts. Another area of emphasis will be the exploitation of measurements from research satellites such as Envisat and EOS-Aura, as well as operational weather satellites. With this wealth of observations, data assimilation should improve analyses and forecasts at all scales, from the meso- to the global scale. Papers are also welcomed on other aspects of the subject, including the theory of data assimilation and inverse modelling, ensemble methods, observing system experiments, applications in atmospheric chemistry and reanalysis.
Conveners:
Richard Swinbank, Met Office, Fitzroy Road, Exeter, EX1 3PB, UK; Tel: +44 1392 886619; Fax: +44 1392 885681; richard.swinbank@metoffice.gov.uk
William Lahoz, Data Assimilation Research Centre, Department of Meteorology, University of Reading, Reading RG6 6BB, UK; Tel: +44 118 378 6981; Fax: +44 118 378 5576; wal@met.reading.ac.uk
Andrew Crook, National Center for Atmospheric Research, Box 3000, Boulder, CO, 80307-3000 USA; Tel: +1-303-497-8980; Fax: +1-303-497-8181; crook@ucar.edu
Xiaolei Zou, Florida State University, 404 Love Building Tallahassee, FL 32306-4520, USA; Tel: +1-850-644-6025, Fax: +1-850-644-9642, zou@met.fsu.edu
Mu Mu, LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, P. O. Box 9804, Beijing 100029, China; Tel: +86-10-62043317; Fax: +86-10-62043526; mumu@lasg.iap.ac.cn

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C. CLIMATE VARIABILITY AND CHANGE

C1 Natural Climate Oscillations: ENSO and NAO/AO, Influences and Predictability
C2 Regional Climate Studies
C3 Climate Projections to 2100 and Beyond
C4 Extreme Weather and Climate Events: Their Past and Future
C5 Physics and Feedbacks Leading to Droughts and Wet Periods
C6 Climate System Model Development, Verification, and Intercomparison
C7 The Diurnal Behavior of the Atmosphere
C8 General Climate Contributions
C9 Explaining the Climates of Historic Times: Detection and Attribution of Anthropogenic Influences
C10 Sea Level Rise: Past Changes and Future Expectations
C11 Observational and Model Estimates of Climate Sensitivity
C12 C12: Hydrological Process and Water Security Related to Climate Change and Human Activity


C1: Natural Climate Oscillations: ENSO and NAO/AO, Influences and Predictability (ICCL and PAGES)
Strong contributions to natural climate variability derive from a variety of quasi-periodic modes of climate system behavior. Foremost among these are the El-Nino-Southern Oscillation (ENSO) mode, which originates in the tropical Pacific and is inter-annual in character with a dominant time scale of a few years, and the Arctic/North Atlantic Oscillation mode, which is characteristic of high northern latitudes and is inter-decadal in character. The existence of such quasi-periodic modes of climate evolution suggests the possibility of enhanced climate predictability and indeed significant progress has been achieved in connection with the ENSO phenomenon in this regard. Concerning the high latitude polar mode, recent research has connected this phenomenon to the existence of a so-called annular mode that has been identified in the Southern Hemisphere as well as the Northern Hemisphere. Although simplified theories have been developed to explain the fundamental dynamical interactions that govern the existence of these oscillatory modes of climate system evolution, consensus views concerning underlying mechanisms have yet to be agreed upon. For example, debate continues as to whether the ENSO mode should be expected to be more or less intense under cold glacial climate conditions as compared to modern interglacial conditions. Paleoclimatological constraints may prove to be especially helpful in the search for improved understanding, clearly a prerequisite to enhanced predictability.
The purpose of this Symposium is to bring together scientists working on all aspects of such natural oscillatory modes of climate variability, including those whose perspectives are observational, theoretical and numerical and those whose focus is upon past and modern.
Conveners:
W. Richard Peltier, Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada; Tel: +1-416-978-2938; Fax: +1-416-978-8905; peltier@atmosp.physics.utoronto.ca
Chongyin Li, State Key Laboratory for Numerical Modelling, Institute of Atmospheric Physics, Chinese Academy of Sciences, Deshengmenwai Qijiahuozi, Beijing, P. O. Box 9804, 100029, China; Tel: +86-10-6204-5397; Fax: +86-10-6204-3526; lcy@lasg.iap.ac.cn
Neil J. Holbrook, Department of Physical Geography, Division of Environmental and Life Sciences, Macquarie University, Sydney NSW 2109, Australia. Tel: +61 (0) 2 9850-8429; Fax: +61 (0) 2 9850-8420; Neil.Holbrook@mq.edu.au
Bin Wang, Department of Meteorology and IPRC, University of Hawaii, Honolulu, HI96822, USA Tel. +1-808-956-2563; Fax: +1-808-956-9425; wangbin@hawaii.edu

C2: Regional Climate Studies (ICCL)

The symposium on regional climate modelling invites contributions reporting on physically based (numerical simulation) approaches to climate simulation at resolutions of roughly one-half degree or less and on results using statistical approaches. The former include limited-area mesoscale models, stretched grid models and high resolution, time-slice global models. The aim of the symposium is to assemble scientists who are modelling climatic regions around the world and promote sharing of experiences and assessments of regional simulations and regionalization of global data. Topics covered will include: intercomparison projects; role of regional processes in past, present and future climate; ensemble simulation; transferability of models between different climate regions; and applications to short-term (monthly, seasonal) climate prediction. Papers are also welcome on the linking of regional climate models to other process models (e.g., hydrology, ecosystems), on high resolution, on regional data resources for model assessment, and on new approaches for analyzing the performance of regional simulations.
Conveners:
William J. Gutowski, Jr., Dept. of Geological & Atmospheric Sciences, 3021 Agronomy, Iowa State University, Ames, Iowa 50011-1010, USA; Tel: +1-515-294-5632; Fax: +1-515-294-2619; gutowski@iastate.edu
Congbin Fu, The Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029, China; Tel: +86-10-6204-1317; Fax: +86-10-6204-5230; fcb@tea.ac.cn
Robert Wilby, Climate Change Science Manager, Environment Agency, Trentside Offices, Nottingham, NG2 5FA, UK; Tel: +44 0115 8463727; Mob. 0778 8568493; Fax: +44 0115 8463710; rob.wilby@environment-agency.gov.uk
Zhaobo Sun, Nanjing Institute of Meteorology, Nanjing 210044, China; Tel: +86-25-5873-1051, 13905189600; Fax: +86-25-5779-2648; sunzbp@yahoo.com.cn

C3: Climate Projections to 2100 and Beyond (ICCL)

Projections of climate conditions depend on how climate has changed in the past, on estimates of how factors that force the climate may change in the future, and on how the climate is likely to respond to changes in forcing and ongoing variations due to natural forcing and internally-generated fluctuations. Because looking out to 2100 and beyond necessarily involves uncertainties, a relatively wide range of estimates of possible future global warming has resulted. This symposium invites papers that contribute to providing and refining climate change projections, including papers on natural and anthropogenic forcings of the climate system, the testing and improvement of global models for simulating the future climate, the response of climate and climate variability to various forcing scenarios, and estimates of the expected changes in climate patterns and short-term weather events, including potential changes in the frequency and intensity of rare and extreme events.
Conveners:
Keith W. Dixon, Geophysical Fluid Dynamics Laboratory, National Oceanographic and Atmospheric Administration, PO Box 308, Princeton Forrestal Campus, Princeton, NJ 08542 USA, Tel: +1-609-452-6574; Fax: +1-609-987-5063; keith.dixon@noaa.gov
Yihui Ding, National Climate Center, China Meteorological Administration, No.46, S. Road, Zhongguancun, Beijing, 100081, China; Tel: +86-10-6840-6246; Fax: +86-10-6218-0679; dingyh@cma.gov.cn
Michael C. MacCracken, Climate Institute, 6308 Berkshire Drive, Bethesda MD 20814, USA; Tel/Fax: +1-301-564-4255; mmaccrac@comcast.net

C4: Extreme Weather and Climate Events: Their Past and Future (ICCL and PAGES)
The impacts of climate change on society may depend more on changes in climate variability, and particularly in the intensity and frequency of climate extremes, than changes in the mean climate. This is because extremes usually have the strongest impact on society and a small change in the mean condition can cause a large change in extreme statistics. Thus, it is important to document the changes of extreme events in the past and to provide plausible projections for the future. It is also very important to understand the mechanisms of extreme events. This symposium invites papers that document past changes and future projections of extreme weather and climate events. Particularly, the symposium encourages contributions related to: (a) observed changes in weather and climate extremes in the past century; (b) validation of global and regional climate model simulated extremes; (c) projections of future extremes by climate models and by statistical downscaling techniques, and quantification of uncertainties in the projection; and (d) physical processes leading to extreme events.
Conveners:
Xuebin Zhang, Climate Monitoring and Data Interpretation Division, Climate Research Branch, Meteorological Service of Canada, 4905 Dufferin Street, Downsview, Ontario, M3H 5T4 Canada; Tel: +1-416-739-4713; Fax: +1-416-739-5700; Xuebin.Zhang@ec.gc.ca
Panmao Zhai, Dept. of Prediction and Disaster Mitigation, China Meteorological Administration, Beijing 100081, China; Tel: +86-10-6840-9421; Fax: +86-10-6217-5924; pmzhai@cma.gov.cn

C5: Physics and Feedbacks Leading to Droughts and Wet Periods (ICCL)
Droughts and floods are among the world's costliest natural disasters, affecting a very large number of people each year. Percentage-wise, these extreme climate events are likely to change more rapidly than the mean climate in a changing climate such as the one we are experiencing now. This symposium invites researchers around the world to exchange reports on their recent work on droughts and wet periods. It is hoped that these exchanges will improve our understanding, analysis approaches, and predictive capabilities of droughts and floods. The focus of the symposium will be on diagnostic and modelling studies of local and remote physical processes leading to persistent (annual to multi-decadal) dry or wet regional conditions, although studies on other aspects of droughts and wet periods are also welcome. Examples include: 1) studies of sea-surface temperature effects on droughts and floods over continents (e.g., Africa, Eurasia and North America); 2) local land-atmosphere interactions and feedbacks; 3) historical changes and variations in droughts and wet periods; 4) effects of recent warming on surface moisture conditions over land; 5) short-term drought and flood predictions; and 6) climate-model simulated droughts and floods in the 21st century.
Conveners:
Aiguo Dai, Climate and Global Dynamics Division, National Center for Atmospheric Research (NCAR); P.O. Box 3000, Boulder, CO, 80307, USA; Tel: +1-303-497-1357; Fax: +1-303-497-1333; adai@ucar.edu
Chris Folland, Hadley Centre, Fitzroy Rd, Exeter, Devon EX1 3PB, UK.; Tel: +44 (0) 1392 886646, Fax: +44 (0) 0870 900 5050; chris.folland@metoffice.gov.uk
Angel Luis Aldana Valverde, Laboratory of Hydraulic, Paseo Bajo Virgen del Puerto nordm3, 28005 Madrid, Spain; Tel: 34 1 335 79 63; Fax: 34 1 335 79 22; angel.l.aldana@cedex.es
Ronghui Huang, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China; Tel: +86-10-6252-2491; Fax: +86-10-6256-0390; hrh@lasg.iap.ac.cn

C6: Climate System Model Development, Verification, and Intercomparison (ICCL)
This symposium will cover the design of climate system models and parameterizations of important processes; the design and testing of procedures for coupling of the various components of climate models; model validation and comparisons with observations; results of model intercomparison projects; and analyses of model simulations at various time and space scales. Papers involving simulations of climatic change over past centuries, estimation of climate sensitivity, and projections of future changes in climate should be submitted to symposia focused on those topics.
Conveners:
Herve Le Treut, Laboratoire de Meteorologie Dynamique, Universit¨¦ Paris 6, Case Courrier 99, Couloir 45-55, 3eme ¨¦tage, 75252 Paris Cedex 05 France; Tel: +33 (0) 1 4427 8406; Fax: +33 (0) 1 4427 6272; Herve.LeTreut@lmd.jussieu.fr
Philip B. Duffy, Climate and Carbon Cycle Modelling Group, Lawrence Livermore National Laboratory; P.O. Box 808 (L-103), Livermore, CA 94550 USA; Tel: +1-925 422-3722; Fax: +1-925 422-6388; pduffy@llnl.gov
Rucong Yu, Institute of Atmospheric Physics, Chinese Academy of Sciences. LASG, P. O. Box 9804, Beijing, 100029, China; Tel: +86-10-6204-1258, Fax: +86-10-6204-3526; yrc@lasg.iap.ac.cn

C7: The Diurnal Behavior of the Atmosphere (ICCL)
While diurnal variations are one of strongest signals in the atmosphere, recent studies using up-to-date instrumental and modelling techniques are revealing thoroughly new and mysterious characteristics and roles of diurnal variation. Although clear understanding and effective representation in climate models of diurnal variation of clouds and precipitation are crucially important, the present state of understanding of the mechanism and representation of these variations remains limited. The purpose of this symposium is to share perceptions of the roles of diurnal variation of clouds and precipitation over land and ocean areas in influencing the climate and to discuss the problems and successes of state-of-the-art GCMs and RCMs in representing diurnal variations. Papers are invited on analyses and model experiments dealing with the mechanisms and climatic role of diurnal variation of clouds and precipitation.
Convener:
Takehiko Satomura, Climate Physics Lab., Div. Earth and Planetary Sci., Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan; Tel & Fax: +81-75-753-4273; satomura@kugi.kyoto-u.ac.jp
Aiguo Dai, Climate and Global Dynamics Division, National Center for Atmospheric Research (NCAR); P.O. Box 3000, Boulder, CO, 80307, USA; Tel: +1-303-497-1357; Fax: +1-303-497-1333; adai@ucar.edu
Julia Slingo, NCAS Centre for Global Atmospheric Modelling, Department of Meteorology University of Reading, Reading RG6 6BB, UK;Tel: +44 (0)118 378 8424; Fax: +44 (0)118 378 8316; Email: j.m.slingo@reading.ac.uk

C8: General Climate Contributions (ICCL)
Submissions on topics relevant to past, present and future climate that do not fit into one of the pre-arranged special sessions are encouraged. Both oral and poster sessions will be arranged.
Conveners:
Keith Alverson, GOOS Project Office, Intergovernmental Oceanographic Commission (IOC), UNESCO, 1, rue Miollis, 75732 Paris Cedex 15, France, Tel: +33 (0) 1-45-68-40-42; Fax: +33 (0) 1-45-68-58-13 (or 12); k.alverson@unesco.org
Wenjie Dong, National Climate Center, China Meteorological Administration, Beijing, 100081, China; Tel: +86-10-68408784, +86-10- 13601357410(cell); Fax: +86-10-68408508; dwj@tea.ac.cn

C9: Explaining the Climates of Historic Times: Detection and Attribution of Anthropogenic Influences (ICCL and PAGES)
In the context of the detection and attribution of human influences on climate, understanding the magnitude of natural climate variability is essential. The instrumental record is relatively short and may be already contaminated by human influences. It is thus vital to gain as much information as possible about past climatic conditions, especially in the historical period of the past few millennia. This symposium invites presentations on proxy climatic reconstructions of this period on various timescales from interannual (e.g., from trees, historical records, ice cores, corals, sponges, and lake sediments, etc.) to centennial (e.g., from sediment cores and boreholes). Preference for oral presentation will be given both to the exploration of new archives and to the integration of a number of different records together, particularly from different proxies, and attempts to improve understanding of what factors might have caused the variations seen in the millennium on the decadal-to-century timescale. We also seek contributions that compare paleoclimate reconstructions with results from climate models forced with estimates of past forcing factors such as measures of solar output, the number and severity of climatically-important volcanic eruptions, land-use changes, and influences of late Holocene Earth-orbital changes.
Conveners:
Michael E. Mann, Department of Environmental Sciences, Clark Hall, University of Virginia, Charlottesville, VA 22903, USA; Tel: +1-434-924-7770; Fax: +1-434-982-2137; mann@virginia.edu
Daoyi Gong, Institute of Resources Science, Beijing Normal University, Beijing 100875, China; Tel: +86-10-5880-8144; Fax: +86-10-5880-8178; gdy@pku.edu.cn
Juerg Luterbacher, University of Bern and NCCR Climate, Institute of Geography, Climatology and Meteorology, Hallerstrasse 12, CH-3012 Bern, Switzerland, Tel: +41-31-631-85-45; Fax: +41 31 631 85 11; juerg@giub.unibe.ch

C10: Sea Level Rise: Past Changes and Future Expectations (ICCL)
The state of the climate can affect sea level in several ways. Warming of the world ocean, which reduces the density of ocean waters, and the melting of mountain glaciers were likely the primary factors contributing to a rise in sea level of 10-20 cm over the 20th century, with changes in the storage of water in reservoirs and aquifers and changes in land cover and soil moisture also possibly playing roles. With the continuation of global warming, each of these factors is likely to also play a role, but increasingly augmented by possible changes in the Greenland and Antarctic ice sheets. Changes in the ocean circulation and climate variability (e.g., persistent changes in ENSO) can also contribute to changes in sea level, especially on a regional basis. In addition, isostatic changes in the Earth's surface resulting from climatic changes over the Pleistocene and Holocene will affect how sea level change is experienced in particular regions. This symposium invites papers on studies of past and future changes in global sea level and on the large-scale manifestation of these changes in various areas of the world.
Conveners:
W. Richard Peltier, Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada; Tel: +1-416-978-2938; Fax: +1-416-978-8905; peltier@atmosp.physics.utoronto.ca
Juncheng Zuo, Oceanography Department, College of Physical and Environmental Oceanography, Ocean University of China, Yushan Road 5, Qingdao, Shandong 266003, China; Tel. and fax.: +86-0532-2032010; zuo@ouc.edu.cn
C.K. Shum, Geodetic Science, Ohio State University, 470 Hitchcock Hall, 2070 Neil Avenue, Columbus, Ohio 43210, U.S.A. Tel: +1-614-292-7118, Fax: +1-614-292-2957, ckshum@osu.edu
Michael MacCracken, 6308 Berkshire Drive, Bethesda MD, 20814, USA; Tel/Fax: +1-301-564-4255; mmaccrac@comcast.net

C11: Observational and Model Estimates of Climate Sensitivity (ICCL and ICACGP)
For more than twenty years, the accepted estimate for the sensitivity of the climate to an equivalent doubling of the CO2 concentration, ?T2x, has been 1.5oC to 4.5oC. This wide range contributes to about half the range in future warming projected by the Intergovernmental Panel on Climate Change. Estimates of climate sensitivity from the observational record are less restrictive. For example, a recent study found more than a 50% likelihood that ?T2x lies outside the 1.5oC to 4.5oC range, with a 90% confidence interval spanning the range 1.0oC to 9.3oC. Reducing the uncertainty in the estimated climate sensitivity would thus help narrow the range of future estimates of climate change and thereby help facilitate the development of appropriate mitigation and adaptation policies. This symposium will be devoted to papers that address the estimation of climate sensitivity based on observational data, both instrumental and paleoclimatic, and derived from general circulation models as a function of their included feedbacks.
Conveners:
Michael Schlesinger, Department of Atmospheric Sciences, MC 223 University of Illinois at Urbana-Champaign, 105 S. Gregory Street, Urbana IL 1801 USA; Tel: +1-217-333-2192; Fax: +1-217-244-4393; schlesin@atmos.uiuc.edu
Natalia Andronova, Department of Atmospheric Sciences, MC 223 University of Illinois at Urbana-Champaign, 105 S. Gregory Street, Urbana IL 61801 USA; Tel: +1-217-333-3819; Fax: +1-217-244-4393; natasha@atmos.uiuc.edu
Zongci Zhao, National Climate Center, No.46, S. Road, Zhongguancun, Beijing, 100081, China; Tel: +86-10-6840-8758; Fax: +86-10-6217-6804; zhaozc@cma.gov.cn and zong-ci.zhao@pnl.gov

C12: Hydrological Process and Water Security Related to Climate Change and Human Activity (Joint symposium with IAHS, IAMAS, and ICCL)
The water cycle is a key issue related to climate change and the water resources of the World. This symposium invites papers on the impacts of extensive human activities and climate change on water resource availability, as well as on agriculture, poverty elimination, and ecosystem sustainability. Papers are welcome addressing the hydrological cycle, the effects of climate change on flow regimes and related environmental changes, and strategic policy implications for water resources.
Convener:
Jun Xia, Key Lab. of Water Cycle & Related Land Surface Processes, Institute of Geographic Sciences & Natural Resources Research, Chinese Academy of Sciences, Anwai, Datun Road, No.11 (Jia), 100101, Beijing, China; Tel: +86-10-6488-9312; Fax: +86-10-6485-6534; xiaj@igsnrr.ac.cn

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D. ATMOSPHERIC DYNAMICS

D1 Boundary Layer Processes and Interactions with the Land and Ocean
D2 Severe Weather Systems
D3 Dynamics and Variability of Monsoon Systems and their Effect on Climate
D4 Asian Monsoon Stability and Change
D5 Orographic Impacts on Weather and Climate


D1: Boundary Layer Processes and Interactions with the Land and Ocean (ICDM)
Air-sea and air-land exchange processes directly drive local-scale atmospheric circulations and provide powerful controls on larger-scale atmospheric processes. Furthermore, feedback processes among the atmosphere, land, and ocean play major roles in seasonal and interannual variability. This symposium welcomes papers on theoretical, observational, or modelling studies regarding boundary-layer structure, local or mesoscale circulations driven by lower boundary forcing, the impact of boundary-layer processes on larger-scale circulations, and air-sea and air-land interactions.
Conveners:
John W. Nielsen-Gammon, Texas A&M University, 3150 TAMU, College Station, TX 77843-3150, USA: Tel/Fax: +1-979-862-2248; n-g@tamu.edu
Fei Hu, State Key Laboratory of Atmospheric Physics and Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Tel: +86-10-8208-5512, Fax: +86-10-6204-1393, hufei@mail.iap.ac.cn
Jiayi Chen, School of Physics, Peking University, Beijing 100871, China, Tel: +86-10-6275-2461; Fax: +86-10-6275-1927, jychen@pku.edu.cn

D2: Severe Weather Systems (IAMAS)
This Symposium focuses on the latest research progress in the documentation, understanding, role and prediction of severe weather events that occur in summer and winter from the Equator to the Poles. Such events include, for example, thunderstorms, extra-tropical systems, hurricanes and typhoons, and orographic storms. The Symposium also invites papers dealing with the association of these events with climatic anomalies such as droughts and extended wet periods. Papers dealing with common and distinct features of these events in different regions are especially welcomed, as are both observational and modelling studies.
Conveners:
Ronald Stewart, Department of Atmospheric and Oceanic Sciences, Burnside Hall, Room 945, 805 Sherbrooke Street West, Montreal, Quebec H3A 2K6, Canada; Tel: +1-514-398-3764; Fax: +1-514-398-6115; ronald.stewart@mcgill.ca
Yoshio Kurihara, Frontier Research System for Global Change, 3173-25 Showa-machi, Kanazawa-ku, Yokohama-shi, 236-0001 Japan; Tel: +81-45-778-5612; Fax: +81-45-778-2293; ykuri@jamstec.go.jp
Johnny C. L. Chan, Laboratory for Atmospheric Research, Dept. of Physics & Mat. Sci., City University of Hong Kong, 83 Tat Chee Ave., Kowloon, Hong Kong, China; Tel: 852-2788-7820; Fax: 852-2788-7830; Johnny.Chan@cityu.edu.hk
Yunqi Ni, Chinese Academy of Meteorological Sciences, No.46, Zhongguancun South Road, 100081 Beijing, China; Tel: +86-10-6840-6456; Fax: +86-10-6217-5931; niyunqi@cams.cma.gov.cn

D3: Dynamics and Variability of Monsoon Systems and their Effect on Climate (ICDM and ICCL)
During the past decade, many results from CLIVAR and GEWEX have deepened our understanding of monsoon dynamics. Monsoon systems over Asia-Australia, Africa, North and South America are being systematically investigated, and in some cases field experiments are contributing a wealth of new data. Physical and dynamical processes in any given monsoon region span a broad range of scales, from the smallest mesoscales to continental/global scales, and their impacts on the global and regional climate are significant. This symposium seeks papers that: contribute to a better understanding of the Monsoons around the world and their effects on the Climate System; investigate the role of mesoscale circulations and the diurnal cycle in the maintenance and evolution of the monsoonal circulations; examine the relative importance of the interactions between ocean, land, and atmosphere as they relate to the monsoon; and explore the governing dynamical controls that may determine the potential predictability of monsoons as part of the climate system.
Conveners:
Ernesto Hugo Berbery, Department of Meteorology, 3427 Computer and Space Sci. Bldg., The University of Maryland, College Park, MD 20742-2425, USA; Tel: +1-301-405-5351; Fax: +1-301-314-9482; berbery@atmos.umd.edu,
Renhe Zhang, Chinese Academy of Meteorological Sciences, No. 46, Zhongguancun South Road, 100081 Beijing, China; Tel: +86-10-6840-8142; Fax: +86-10-6217-5931;

D4: Asian Monsoon Stability and Change (ICDM, ICCL and PAGES)
The evolution and variability of the Asian monsoon system has a significant impact on the region's climate, vegetation, and biogeochemistry. The Asian monsoon is a regional climate system of enormous importance to humans, as about 60% of humanity lives within its direct influence. The character of the monsoon system is quite complex and variable on any number of temporal and spatial scales. There is evidence from paleo-record and numerical modelling studies that the Asian Monsoon System has undergone significant variations in the past. Anthropogenic influences, including land use/cover change and atmospheric composition changes at regional and global scales might also affect the nature of the Asian monsoon. This session will consider the stability and variability of the Asian monsoon system at various time scales. Submission of papers on observational and numerical modelling-based analysis of the Asian monsoon system is encouraged. The intent is to produce a book-length compilation of key papers and synthesis following discussions at the workshop session.
Conveners:
Hassan Virji, International START Secretariat, 2000 Florida Avenue NW, Washington DC 20009 USA; Tel: +1-202-462-2213; Fax: +1-202-457-5859; hvirji@agu.org
Zhisheng An, Chinese Academy of Sciences, #10 Fenghi South Road, Xi'an High-Tech Zone, Xi'an, 710075, China; Tel: +86-29-8832-3969; Fax: +86-29-8832-0456; anzs@loess.llqg.ac.cn

D5: Orographic Impacts on Weather and Climate ( ICDM and ICCL)
The Symposium on Orographic Impacts on Weather and Climate invites contributions based on diagnostic, theoretical and numerical studies of the effects of the Earth's orography on the atmospheric circulation, weather, and climate. The aim of the session is to bring together the scientists who investigate the problem using different approaches and to exchange their experiences so as to promote synthetic studies in the fields. Topics of relevance include: boundary layer flow over hills, spatial and temporal distribution of mountain induced rainfall, mesoscale orographic impacts revealed by satellite pictures, vortex and cyclogenesis associated with orography and their weather impacts, mechanical and thermal forcing of large scale orography and their climate effects, and the influence of the Tibetan Plateau on Asian monsoon and global climate.
Conveners:
Akio Kitoh, Climate Research Department, Meteorological Research Institute, 1-1 Nagamine, Tsukuba, Ibaraki 305-0052, Japan; Tel: +81-29-853-8594 (direct) or 8681 (lab); Fax: +81-29-855-2552; kitoh@mri-jma.go.jp
Yongfu Qian, Department of Atmospheric Sciences, Nanjing University, Nanjing 210093, China; Tel: +86-25-8359-3914; Fax: +86-25-8359-7085; qianzh2@netra.nju.edu.cn

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E. STRATOSPHERE- TROPOSPHERE INTERACTIONS

E1: Dynamical and Chemical Coupling of the Stratosphere and Troposphere and Associated Impacts on Climate and Environmental Change (ICMA and IOC)
Interaction between the stratosphere and the troposphere play significant roles in global and regional climate change and environmental situations. The stratosphere is an important component of the climate system. Stratosphere-troposphere interactions include those dynamical, physical, as well as chemical processes with scales from global to regional and local. Significant advances are currently being achieved through a series of international (such as WCRP/SPARC, IGBP/IGAC, and WMO related projects) and national research programs. Observations with multi-satellite sensors, airborne and ground-based facilities are also proving very useful. Numerical simulations with GCM and regional models are being used to investigate basic characteristics.
This symposium invites presentations on recent advances in understanding the processes and factors controlling the coupling and their impacts on the stratosphere and troposphere. The scientific topics include, but are not limited to: dynamical coupling between the stratosphere and troposphere in multi-spatial and temporal scales; observation, data analysis, and numerical modelling; coupling between the troposphere and stratosphere; study of large scale processes and their implications for climate prediction; long-term variation of stratosphere-troposphere coupling revealed by climatic data analysis and numerical modelling; variations in the ozone layer and stratospheric chemistry caused by tropospheric aerosol and greenhouse gases (GHG) and associated impacts on the climate; dynamical/physical/chemical processes in the upper troposphere and lower stratosphere (UT/LS) region, including cirrus clouds, aerosol and GHG influences, and lightning; mass and constituent (ozone, aerosol, water vapor, trace gases etc.) exchanges between the upper troposphere and the lower stratosphere by different processes; and new research projects and observation techniques and results.
Conveners:
Daren Lu, Institute of Atmospheric Physics, Chinese Academy of Sciences, P.O.Box.9804, Beijing, 100029, China; Tel: +86-10-6204-8922; Fax: +86-10-62046349; ludr@mail.iap.ac.cn
Kevin Hamilton, International Pacific Research Center, SOEST, University of Hawaii, Honolulu, Hawaii 96822, USA; Tel: +1-808-956-8327: Fax: +1-808-956-9425; kph@soest.hawaii.edu
Laura Pan, NCAR/ACD, PO Box 3000 Boulder, CO 80307, USA; Tel: +1-303-497-1467; Fax: +1-303-497-1492; liwen@ucar.edu
Mark Schoeberl, NASA Goddard Space Flight Center, Code 916, Greenbelt, MD 20771 USA; Tel: +1-301-614-6002; Fax: +1-301-614-5903; Mark.R.Schoeberl@nasa.gov

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F. POLAR ATMOSPHERE

F1 Polar Clouds, Aerosols and Weather Systems
F2 Climate Variability and Change in the Polar Regions: Causality and Prediction


F1: Polar Clouds, Aerosols and Weather Systems (ICPM and SCAR)
The Polar Regions are amongst the most unique components of the climate system. There is however still much to be learned about the processes that result in cloud formation at high latitudes, their organization into weather systems and the impacts that aerosols will have in these regions. The symposium welcomes contributions that will increase our knowledge of polar clouds, aerosols and weather systems.
Conveners:
G.W.K. Moore, Department of Physics, University of Toronto, Toronto, M5S 1A7 Canada; Tel: +1-416-978-4686; Fax: +1-416-978-8905; moore@atmosp.physics.utoronto.ca
Tom Lachlan-Cope, British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK; Tel +44 (1223)221484; Fax +44 (1223)221279; TLC@bas.ac.uk
Zhanhai Zhang, Polar Research Institute of China, 451 Jinqiao Road, Shanghai Pudong 200129; China; Tel: +86-21-6850-7533, 58711801-246; Fax: +86-21-5871-1663; zhangzhanhai@pric.gov.cn

F2: Climate Variability and Change in the Polar Regions: Causality and Prediction (ICPM, SCAR, ICCL and PAGES)
The climate in many parts of the high latitudes is changing, and the influence of anthropogenic emissions of greenhouse gases is suspected to be a major contributing factor. This symposium will examine observed and predicted climate variability and change in both the Arctic and Antarctic in relation to the dominant circulation modes (NAM/NAO, SAM/AAO, ENSO, etc.). Aspects to be considered include:
o Can the signal of anthropogenic impact be distinguished from the background of the strongly varying high latitude atmosphere?
o Is there convincing evidence of poleward amplification of climate change?
o What guidance on these issues does the recently completed Arctic Climate Impact Assessment (ACIA) provide?
o Can better descriptions of polar climate be provided by polar regional reanalyses that exploit the voluminous satellite observations?
o What roles do coupled atmosphere-ocean-sea ice-land surface processes play in high latitude climate variability?
o What impacts do stratospheric processes have on tropospheric climate?
o What are the relative roles of tropical and high latitude forcing?
o What are the linkages between polar and midlatitude climate?
o How well do global and regional models simulate climate variability and change?
o What can be learned from bipolar analyses/modelling of Arctic and Antarctic climates?
Conveners:
David Bromwich, Byrd Polar Research Center, The Ohio State University, 1090 Carmack Road, Columbus, Ohio 43210-1002, USA; Tel: +1-614-292-6692; Fax: +1-614-292-4697; bromwich.1@osu.edu
Julian X.L. Wang, NOAA/Air Resources Lab(R/ARL), Silver Spring, MD 20910, USA; Tel: +1-301-713-0295 x125; Fax: +1-301-713-0119; julian.wang@noaa.gov
Zhanhai Zhang, Polar Research Institute of China, 451 Jinqiao Road, Shanghai Pudong 200129; China; Tel: +86-21-6850-7533, 58711801-246; Fax: +86-21-5871-1663; zhangzhanhai@pric.gov.cn

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G. ATMOSPHERIC ELECTRICITY AND ELECTRICAL EFFECTS

G1 Global Lightning and Climate
G2 Precipitation and Electrification in Convective Clouds
G3 Middle Atmosphere Electrical Events Associated with Tropospheric Storms

G1: Global Lightning and Climate (ICAE and ICCL)
Sensitive connections linking lightning activity, temperature, instability and vertical air motion have expanded interest in lightning applications in climate. Regional and global access to lightning activity via surface networks, satellite observations, and Schumann resonance methods have enabled the scrutiny and exploitation of these connections. IAMAS papers are invited on all aspects of lightning climatology, thermodynamic relationships with lightning, satellite observations, VHF mapping methods, and ELF/VLF global techniques
Convenors:
E. (Earle) R. Williams, MIT 48-211, Parsons Laboratory Cambridge, MA 02139, USA Tel: +1-781-981-3744, Fax: +1-781-981-0632, earlew@ll.mit.edu
Xiushu Qie, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, W. 260 Donggang Road, Lanzhou, Gansu 730000, China; Tel: +86-931-4967-686, Fax: +86-931-8274-863, qiex@ns.lzb.ac.cn

G2: Precipitation and Electrification in Convective Clouds (ICAE and ICCP)
Cloud electrification is highly sensitive to both cloud microphysics and mesoscale dynamics. Submission of papers is invited in two areas. The first area is early electrification processes. It will address the issue of early microphysical development and early electrification in various cloud types. The second area will cover highly electrified clouds and will aim at discussing precipitation and electric charge intensification mechanisms and their relation to mesoscale dynamic structures.
Conveners:
Tsutomu Takahashi, Core-Education Center, Obirin University; Office: Tokiwa-cho 3758,Machida-shi, 194-0294,Tokyo, Japan; Tel/Fax: +81-(0) 42-797-0017: t2@obirin.ac.jp
Clive Saunders, Physics Department, UMIST, Manchester, M60 1QD, UK; Tel/Fax: +44 -(0) 161-200-3909/3941; clive.saunders@umist.ac.uk
Xueliang Guo, Institute of Atmospheric Physics, Chinese Academy of Sciences, P.O. Box 9804, Beijing, 100029 China; Tel: +86-10-6204-5312; Fax: +86-10-6204-5312; guoxl@mail.iap.ac.cn

G3: Middle Atmosphere Electrical Events Associated with Tropospheric Storms (IAMAS ICAE, ICMA, and IOC, and IAGA)
Over the last few years there has been a renewed interest in sprites, elves and blue jets, known collectively as transient luminous events (TLEs). The Columbia space shuttle mission, observations from the ISS, and the new ROCSAT mission have resulted in great enthusiasm in the atmospheric electricity community. This symposium will be dedicated to new observations and modeling of TLEs, with special emphasis on the global distribution of sprites, elves and jets. The latest methods of detection in the UV, visible, IR and radio (ELF/VLF) frequencies are of particular interest. We especially encourage contributions on modeling and simulations of TLE processes, and new findings on the relation between TLE characteristics and the electrical structure of the parent thunderstorm. The meteorology of thunderstorms producing sprites is of special interest to the IAMAS community. Finally, contributions are also sought on the impact of TLEs on the global electrical circuit and on stratospheric and mesospheric chemistry.
Conveners:
Colin Price, Department of Geophysics and Planetary Science, Tel Aviv University, Ramat Aviv, 69978 Israel, Tel: 972-3-6406029; Fax: 972-3-6409282; cprice@flash.tau.ac.il
Yoav Yair, Department of Natural Sciences, The Open University of Israel 16, Klauzner Street, Ramat-Aviv 61392 Tel-aviv, Israel; Tel: 972-3-6465579; Fax: 972-3-6465410; yoavya@openu.ac.il

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H. OZONE AND RADIATION

H1 Chemistry-Climate Interactions (including Ozone Interactions)
H2 Solar Activity and its Influences on the Earth's Weather and Climate

H1: Chemistry-Climate Interactions (including Ozone Interactions) (ICACGP, IOC, and ICCL)
Atmospheric composition and climate are intimately intertwined. The rising concentrations of relatively long-lived greenhouse gases are creating a warming influence on the climate. In turn, the changing climate is causing changes in the atmospheric chemistry of short-lived species and the biogeochemical cycles of short- and long-lived species. Papers are invited for this symposium that report on advances in understanding of chemistry-climate interactions across a range of topics, including: development of chemistry-climate models; model verification involving comparison to observations; investigations of chemistry-climate interactions prior to the industrial period, including interactions driven by changes in solar radiation, volcanic eruptions, changes in the Earth's orbit; interactions with tropospheric and/or stratospheric dynamics, thermodynamics, and chemistry; interactions involving the land surface and oceans. Papers dealing generally with the full simulation of past, present and future climate should be submitted to symposia organized on those topics so that papers at this symposium can focus particularly on interactions between chemistry and climate.
Conveners:
Robert D. Hudson, Department of Meteorology, University of Maryland, College Park, MD 20742, USA, Tel: +1-301-405-5391; Fax: +1-301-314-9482; hudson@atmos.umd.edu
Toshihiro Ogawa, Earth Observation Research Center (EORC), National Space Development Agency of Japan (NASDA), Roppongui First Bldg. 14F, 1-9-9 Roppongui, Minato-ku, Tokyo 106-0032 Japan; Tel: +81-3 3224 7080; Fax: +81-3 3224 7051; t_ogawa@eorc.nasda.go.jp
Patricia Quinn, OAR 2002-2006 WASC Route: R/PMEL, 7600 Sand Point Way NE, Seattle, WA 98115-6349, USA; Tel: +1-206-526-6892; Patricia.K.Quinn@noaa.gov
Jianzhong Ma, Chinese Academy of Meteorological Sciences, No.46, Zhongguancun South Road 100081 Beijing, China; Tel: +86-10-6840-8140; +86-10-13911511326(cell); Fax: +86-10-6217-6793; mjz@cams.cma.gov.cn

H2: Solar Activity and its Influences on the Earth's Weather and Climate (IRC and ICCL))
The Sun provides the source of virtually all of the energy for driving the Earth system. Thus, changes in the solar output, e.g.in solar irradiance, solar wind, high energy, particles, etc. in solar irradiance, solar wind, high energy particles, etc. and in the Earth's albedo (e.g., changes in cloudiness, land cover, and atmospheric aerosol loading) are capable of altering the energetics of the atmosphere-ocean-land system over a wide range of time scales, from hours to millennia and longer. These changes can in turn cause changes in weather and climate, including its apparent variability. This symposium invites papers on topics relating to the nature and consequences of changes in solar activity, total and spectral irradiance, and in the short and long-term influences of these changes on the Earth system and the linear and nonlinear processes through which these influences may occur.
Conveners:
Werner Schmutz, PMOD/WRC, Dorfstr. 33, Davos Dorf,CH-7260, Switzerland; Tel: +41 81 417 5145; Fax: +41 81 417 5100; werner.schmutz@pmodwrc.ch
Joanna D. Haigh, Space and Atmospheric Physics, Blackett Laboratory, Imperial College London, London SW7 2AZ, UK; Tel: +44 (0)20 7594 7671; Fax: +44 (0)20 7594 7900; j.haigh@imperial.ac.uk
Judit Pap, Goddard Space Flight Center/NASA, Code 680.0, Greenbelt, MD 20771, USA; Tel: 301-286-7511(O), 301-313-0933(H); Fax: 301-286-1617. papj@marta.gsfc.nasa.gov
Hengyi Weng, LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Mailbox 9804, Beijing 100029, China/Climate Variations Research Program, Frontier Research Center for Global Change, Japan Agency for Marine-Earth Science and Technology, Showa-machi, Kanazawa-ku, Yokohama 236-0001, JAPAN; Tel: +81-45-778-5509; Fax: +86-22-2401-0926; weng@lasg.iap.ac.cn

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I: PLANETARY ATMOSPHERES

I1 Planetary Atmospheres and their Evolution
I2 Aeronomy of Planetary Atmospheres: Comparative Planetology

I1: Planetary Atmospheres and their Evolution (ICPAE)
This symposium will be open to papers reporting important progress on all aspects of our current understanding of all planetary, cometary and satellite atmospheres and their evolution (including the Earth, when considered as a member of the Solar System). The timing of the meeting is such that emphasis is likely to be on the atmospheres of Mars and Venus, due to the high level of current and future mission activity for those planets, and important progress in the generation and application of dynamical models. Also, obviously the Cassini mission to Saturn and Titan has arrived at destination and by January 2005 we will have the results of the probe Huygens also. Invited papers will review the scientific problems underlying the atmospheric objectives of the relevant missions and new results to date. Others will address progress with relevant theoretical work, for example atmospheric general circulation models and models of atmospheric evolution.
Conveners:
Athena Coustenis, LESIA (Bat 18), Observatoire de Meudon, 92195, Meudon Cedex, France, Tel: 331 45 07 77 20; Fax: 331 45 07 74 69; Athena.Coustenis@obspm.fr
Caitlin Griffith, Lunar & Planetary Lab, University of Arizona, Tucson, AZ 85721-0092, USA, Tel: (520) 626-3806, Fax: (520) 621-4933, griffith@lpl.arizona.edu


I2: Aeronomy of Planetary Atmospheres: Comparative Planetology (ICPAE)
This symposium will include papers on the physics and chemistry of the lower, middle and upper atmospheres and ionospheres of the inner and outer planets and their satellites. Also studies of comparative atmospheres, including the Venus, Earth, and Mars atmospheres, will be presented, with emphasis on the climate changes and intercomparisons. Results from the recent missions to Mars and to Saturn will be emphasized. Reports on recent improvements to general circulation models of the thermosphere and lower atmospheres and descriptions of future planetary missions are also invited.
Conveners:
Ath¨¦na Coustenis, LESIA (Bat 18), Observatoire de Meudon, 92195, Meudon Cedex, France, Tel: 331 45 07 77 20; Fax: 331 45 07 74 69; Athena.Coustenis@obspm.fr
Jianping Li, National Key Laboratory of Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing 100029, China, Tel: +86-10-62035479, Fax: +86-10-62043526,
ljp@lasg.iap.ac.cn
Mu Mu, Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing 100029, China, Tel: +86-10-62043317, Fax: +86-10-62043526, mumu@lasg.iap.ac.cn

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J: JOINT SYMPOSIA WITH INTERNATIONAL COMMISSION OF SNOW AND ICE (ICSI) OF THE INTERNATIONAL ASSOCIATION OF HYDROLOGICAL SCIENCES (IAHS)

J1 Modeling Forest Snow Processes
J2 Glacier Mass Balance and its Coupling to Regional and Hemispheric Circulation
J3 Mountain Snow and Ice Cover


J1: Modeling Forest Snow Processes (ICSI)
Intercepted snow on forest canopies has a large exposed area for exchanges of mass and energy with the atmosphere. Snow on the ground beneath a forest canopy, compared with snow in open areas, is sheltered from wind and solar radiation, but receives increased long-wave radiation from the canopy. Forests thus influence the timing and quantity of runoff from snowmelt, and changes in forest cover, whether managed or in response to changing climates, modify this influence. Contributions are invited on how snow processes can be represented in large-scale atmospheric and hydrological models, and on how such process models perform in composition with observations.
Conveners:
Richard Essery, Centre for Glaciology, Institute of Geography and Earth Sciences, University of Wales, Aberystwyth SY23 3DB, UK; Tel: +44 (0) 1970 622784; Fax: +44 (0) 1970 622659: rie@aber.ac.uk
Shufen Sun, LASG, Institute of Atmospheric Physics, P.O. Box 9804, Chinese Academy of Sciences, Beijing 100029, China; Tel: +86-10-6204-5397; Fax: +86-10-62043526; ssf@lasg.iap.ac.cn

J2: Glacier Mass Balance and its Coupling to Regional and Hemispheric Circulation (ICSI)
Glacier mass balance measurements constitute an important contribution to our understanding of climate change. From a climatological perspective, glacier mass balance constitutes a point measurement in relation to large- scale atmospheric climate factors. However, local factors can be important. For example, snow accumulation is governed by a combination of direct snowfall and wind transport. To extract the mesoscale circulation pattern from the mass balance data, local and mesoscale influences need to be distinguished. The aim of this workshop is to examine how mass balance data can be used to infer mesoscale circulation patterns. If successful, we can use GCMs to predict future glacier changes and past glacier extents. This workshop follows on two previous ICSI workshops on glacier mass balance (Melbourne, 1997; Tarfala, 1998).
Conveners:
Peter Jansson, Department of Physical Geography and Quaternary Geology, Stockholm University, SE-106 91 Stockholm, Sweden; Tel. +46-8-16 48 15; Fax: +46-8-16 48 18; peter.jansson@natgeo.su.se
Dahe Qin, Administrator, China Meteorological Administration, 46 Zhongguancun Nandajie, Haidian, Beijing - 100081, China; Tel: +86-10-6840-7140; Fax: +86-10-6217-4239; qdh@cma.gov.cn
Gino Cassasa, Centro de Estudios Cient¨ªficos, Av. Prat 514, Valdivia, Chile; Tel: +56.63.234540 & 234538; Fax: +56.63.234517; gcasassa@cecs.cl
Howard Conway, Earth and Space Sciences, University of Washington, 310 Condon Hall, Box 351310, Seattle, WA 98195, USA; Tel: +1-206-685-8085; Fax: +1-206-543-0489; conway@ess.washington.edu
Roderik van de Wal; Institute for Marine and Atmospheric Research (IMAU); Utrecht University, Princetonplein 5, NL-3584 Utrecht CC, The Netherlands; Tel: +31-30-253-3259; Fax: +31-254-3163; R.S.W.vandeWal@phys.uu.nl

J3: Mountain Snow and Ice Cover (ICSI, IAMAS)
In many parts of the world mountain snow and ice covers represent (up to now) continuously renewed water reservoirs, but also present periodical threats to human safety. The importance of these water reservoirs increases even more in a warming climate, mainly due to large-scale interactions with air flow and sea water circulations. This symposium is intended to promote the exchange of knowledge between snow/ice cover modellers and researchers dealing with climate modelling. Achieving proper representations of the boundary conditions between snow/ice and atmosphere will be a major topic.
Convenors:
Paul Foehn, Swiss Federal Institute for Snow and Avalanche Research SLF, Fl¨¹elastrasse 11, CH-7260 Davos Dorf, Switzerland; Tel: +41 81 417 0161, Fax: +41 81 417 0110; foehn@slf.ch
Peter Jansson, Dept. of Physical Geography and Quarternary Geology, Stockholm University, SE-106 91 Stockholm, Sweden; Tel: +46-8-16 48 15; Fax: +46-8-16 48 18; peter.jansson@natgeo.su.se
Charles Fierz, Swiss Federal Institute for Snow and Avalanche Research SLF, Avalanche Warning and Risk Management, Fl¨¹elastrasse 11, CH-7260 Davos Dorf, Switzerland; Tel: +41 81 417 0165; Fax: +41 81 417 0110; fierz@slf.ch

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SPECIAL EVENTS

S1 From General Circulation to Global Change: A Celebration of the 90th Birthday of the Senior Academician Prof Ye Duzheng
S2 Special Symposium: The IPCC's Fourth Assessment Report

S1: From General Circulation to Global Change: A Celebration of the 90th Birthday of the Senior Academician Prof Ye Duzheng
This symposium will present a series of invited presentations to recognize the 90th Birthday of the Senior Academician of the Chinese Academy of Sciences and Honorary Director of the Institute of Atmospheric Physics, Prof. Ye Duzheng (T. C. Yeh). The topics of the presentation will cover the state of understanding in many of the fields to which Prof. Ye made important contributions, including: establishing the role of the Tibetan Plateau on atmospheric circulation; discovery of abrupt change in the atmospheric general circulation; the theory of energy dispersion and geostrophic adaptation; contributions to global change; and the theory of orderly human activities. In addition, speakers will describe Prof. Ye's important contributions in the establishment of the Institute of Atmospheric Physics, and in the development of meteorology in China and international cooperation.
Conveners:
Roland List, Department of Physics, University of Toronto, Toronto, Ont. M5S 1A7, Canada; Tel: +1-416 978 2982; Fax: +1-416 978 8905, list@atmosp.physics.utoronto.ca
Guoxiong Wu, State Key Lab of Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics, Chinese Academy of Sciences, P.O. Box 9804, Beijing, 100029 China; Tel: +86-10-6204-3356; Fax: +86-10-6204-3526; gxwu@lasg.iap.ac.cn
Guoguang Zheng, China Meteorological Administration, 46 Zhongguancun Nandajie, Haidian, Beijing 100081, China; Tel: +86-10-6840-7140; Fax: +86-10-6217-4239; zgg@cma.gov.cn

S2: Special Symposium: The IPCC's Fourth Assessment Report (IAMAS and PAGES)
The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) is in preparation, with review of the initial drafts of chapters scheduled to take place in the fall of 2005. In addition, a number of IPCC Special Reports are also being prepared. This symposium is being organized to provide a summary of results from the recently completed Special Report on Safeguarding the Ozone Layer and the Global Climate System together with an overview of the scoping process for the Working Group I Assessment Report and how it is planned to capture new developments in climate science. The symposium will also provide an opportunity to bring together results from recent IPCC workshops covering drought, climate sensitivity, analyses of new climate model runs, and on approaches being taken to communicate risks and uncertainties.
Convenors:
Dahe Qin, co-chair of the IPCC Working Group I, and Administrator, China Meteorological Administration, 46 Zhongguancun Nandajie, Haidian, Beijing 100081, China; Tel: +86-10-6840-6662; Fax: +86-10-6217-4797; qdh@cma.gov.cn
Michael MacCracken, President of IAMAS, and Climate Institute, 6308 Berkshire Drive, Bethesda MD 20814 USA; Tel/Fax: +1-301-564-4255; mmaccrac@comcast.net

(Some symposia descriptions will be updated, so will changes in convenorships. Participants are requested to consult the Webpages of IAMAS.)


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