文档介绍：INTERGOVERNMENTAL PANEL ON CLIMATE CHANGE
Climate Change 2007: The Physical Science Basis
Summary for Policymakers
Contribution of Working Group I to the Fourth Assessment Report of the
Intergovernmental Panel on Climate Change
This Summary for Policymakers was formally approved at the 10th Session
of Working Group I of the , Paris, February 2007.
Note:
Text, tables and figures given here are final but subject to copy-editing.
Corrections made as of February 5th, 2007
Drafting Authors:
Richard Alley, Terje Berntsen, Nathaniel L. Bindoff, Zhenlin Chen, Amnat Chidthaisong, Pierre Friedlingstein, Jonathan Gregory,
Gabriele Hegerl, Martin Heimann, Bruce Hewitson, Brian Hoskins, Fortunat Joos, Jean Jouzel, Vladimir Kattsov, Ulrike Lohmann,
Martin Manning, Taroh Matsuno, Mario Molina, Neville Nicholls, Jonathan Overpeck, Dahe Qin, Graciela Raga, Venkatachalam
Ramaswamy, Jiawen Ren, Matilde i, Susan Solomon, Richard Somerville, Thomas F. Stocker, Peter Stott, Ronald J.
Stouffer, Penny Whetton, Richard A. Wood, David Wratt
Draft Contributing Authors:
Julie Arblaster, Guy Brasseur, Jens Hesselbjerg Christensen, h Denman, David W. Fahey, Piers Forster, Eystein Jansen,
Philip D. Jones, Reto Knutti, Hervé Le Treut, Peter Lemke, Gerald Meehl, Philip Mote, David Randall, Dáithí A. Stone, Kevin E.
Trenberth, Jürgen Willebrand, Francis Zwiers
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Summary for Policymakers WGI Fourth Assessment Report
INTRODUCTION
The Working Group I contribution to the Fourth Assessment Report describes progress in understanding of the
human and natural drivers of climate change1, observed climate change, climate processes and attribution, and
estimates of projected futu