https://hal.archives-ouvertes.fr/hal-00457602/document

A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests

Investigating soil moisture-climate interactions in a changing climate: A review

The Intergovernmental Panel on Climate Change (IPCC) Technical Paper Climate Change and Water draws together and evaluates the information in IPCC Assessment and Special Reports concerning the impacts of climate change on hydrological processes and regimes, and on freshwater resources – their availability, quality, use and management. It takes into account current and projected regional key vulnerabilities, prospects for adaptation, and the relationships between climate change mitigation and water. Its objectives are:

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Climate change and water.

A coordinated set of global coupled climate model [atmosphere–ocean general circulation model (AOGCM)] experiments for twentieth- and twenty-first-century climate, as well as several climate change commitment and other experiments, was run by 16 modeling groups from 11 countries with 23 models for assessment in the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4). Since the assessment was completed, output from another model has been added to the dataset, so the participation is now 17 groups from 12 countries with 24 models. This effort, as well as the subsequent analysis phase, was organized by the World Climate Research Programme (WCRP) Climate Variability and Predictability (CLIVAR) Working Group on Coupled Models (WGCM) Climate Simulation Panel, and constitutes the third phase of the Coupled Model Intercomparison Project (CMIP3). The dataset is called the WCRP CMIP3 multimodel dataset, and represents the largest and most comprehensive international global coupled climate model experiment and multimodel analysis effort ever attempted. As of March 2007, the Program for Climate Model Diagnostics and Intercomparison (PCMDI) has collected, archived, and served roughly 32 TB of model data. With oversight from the panel, the multimodel data were made openly available from PCMDI for analysis and academic applications. Over 171 TB of data had been downloaded among the more than 1000 registered users to date. Over 200 journal articles, based in part on the dataset, have been published so far. Though initially aimed at the IPCC AR4, this unique and valuable resource will continue to be maintained for at least the next several years. Never before has such an extensive set of climate model simulations been made available to the international climate science community for study. The ready access to the multimodel dataset opens up these types of model analyses to researchers, including students, who previously could not obtain state-of-the-art climate model output, and thus represents a new era in climate change research. As a direct consequence, these ongoing studies are increasing the body of knowledge regarding our understanding of how the climate system currently works, and how it may change in the future.

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THE WCRP CMIP3 Multimodel Dataset: A New Era in Climate Change Research

This chapter assesses long-term projections of climate change for the end of the 21st century and beyond, where the forced signal depends on the scenario and is typically larger than the internal variability of the climate system. Changes are expressed with respect to a baseline period of 1986-2005, unless otherwise stated.

Chapter 12 - Long-term climate change: Projections, commitments and irreversibility

Contributing Authors: R. Arritt (USA), R. Benestad (Norway), M. Beniston (Switzerland), D. Bromwich (USA), D. Caya (Canada), J. Comiso (USA), R. de Elía (Canada, Argentina), K. Dethloff (Germany), S. Emori (Japan), J. Feddema (USA), R. Gerdes (Germany), J.F. González-Rouco (Spain), W. Gutowski (USA), I. Hanssen-Bauer (Norway), C. Jones (Canada), R. Katz (USA), A. Kitoh (Japan), R. Knutti (Switzerland), R. Leung (USA ), J. Lowe (UK), A.H. Lynch (Australia), C. Matulla (Canada, Austria), K. McInnes (Australia), A.V. Mescherskaya (Russian Federation), A.B. Mullan (New Zealand), M. New (UK), M.H. Nokhandan (Iran), J.S. Pal (USA, Italy), D. Plummer (Canada), M. Rummukainen (Sweden, Finland), C. Schär (Switzerland), S. Somot (France), D.A. Stone (UK, Canada), R. Suppiah (Australia), M. Tadross (South Africa), C. Tebaldi (USA), W. Tennant (South Africa), M. Widmann (Germany, UK), R. Wilby (UK), B.L. Wyman (USA)

Regional climate projections

Many climate impact applications require the equivalent of point climate observations and are highly sensitive to fine-scale climate variations that are parameterised in coarse-scale models. This is especially true for regions of complex topography, coastal or island locations, and in regions of highly heterogeneous land-cover. This guidance documents reviews statistical methods of estimating point climate from coarse scale climate projections.

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Guidelines for Use of Climate Scenarios Developed from Statistical Downscaling Methods

Contributing Authors R. Arritt, B. Bates, R. Benestad, G. Boer, A. Buishand, M. Castro, D. Chen, W. Cramer, R. Crane, J. F. Crossley, M. Dehn, K. Dethloff, J. Dippner, S. Emori, R. Francisco, J. Fyfe, F.W. Gerstengarbe, W. Gutowski, D. Gyalistras, I. Hanssen-Bauer, M. Hantel, D.C. Hassell, D. Heimann, C. Jack, J. Jacobeit, H. Kato, R. Katz, F. Kauker, T. Knutson, M. Lal, C. Landsea, R. Laprise, L.R. Leung, A.H. Lynch, W. May, J.L. McGregor, N.L. Miller, J. Murphy, J. Ribalaygua, A. Rinke, M. Rummukainen, F. Semazzi, K. Walsh, P. Werner, M. Widmann, R. Wilby, M. Wild, Y. Xue

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Peter Whetton

Papers

Regional climate projections

Guidelines for Use of Climate Scenarios Developed from Statistical Downscaling Methods

Regional Climate Information—Evaluation and Projections

Climate Change in Queensland under Enhanced Greenhouse Conditions

Global Climate Change and Coral Bleaching on the Great Barrier Reef