Climate Change 2001:

The Scientific Basis



Published for the Intergovernmental Panel on Climate Change





Contents

Foreword

Preface

Summary for Policymakers

Technical Summary

1 The Climate System: an Overview

2 Observed Climate Variability and Change

3 The Carbon Cycle and Atmospheric Carbon Dioxide

4 Atmospheric Chemistry and Greenhouse Gases

5 Aerosols, their Direct and Indirect Effects

6 Radiative Forcing of Climate Change

7 Physical Climate Processes and Feedbacks

8 Model Evaluation

9 Projections of Future Climate Change

10 Regional Climate Information – Evaluation and Projections

11 Changes in Sea Level

12 Detection of Climate Change and Attribution of Causes

13 Climate Scenario Development

14 Advancing Our Understanding

Appendix I Glossary

Appendix II SRES Tables

Appendix III Contributors to the IPCC WGI Third Assessment Report

Appendix IV Reviewers of the IPCC WGI Third Assessment Report

Appendix V Acronyms and Abbreviations

Appendix VI Units

Appendix VII Some Chemical Symbols used in this Report

Appendix VIII Index




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© Intergovernmental Panel on Climate Change 2001

This book is in copyright. Subject to statutory exception and to the provisions of relevant

collective licensing agreements, no reproduction of any part may take place without the

written permission of the Intergovernmental Panel on Climate Change.

First published 2001

Printed in USA at the University Press, New York

A catalogue record for this book is available from the British Library

Library of Congress cataloguing in publication data available

ISBN 0521 80767 0 hardback

ISBN 0521 01495 6 paperback

When citing chapters or the Technical Summary from this report, please use the authors in the order given on the chapter frontpage,

for example, Chapter 2 is referenced as:

Folland, C.K., T.R. Karl, J.R. Christy, R.A. Clarke, G.V. Gruza, J. Jouzel, M.E. Mann, J. Oerlemans, M.J. Salinger and S.-W. Wang,

2001: Observed Climate Variability and Change. In: Climate Change 2001: The Scientific Basis. Contribution of Working Group I to

the Third Assessment Report of the Intergovernmental Panel on Climate Change [Houghton, J.T.,Y. Ding, D.J. Griggs, M. Noguer,

P.J. van der Linden, X. Dai, K. Maskell, and C.A. Johnson (eds.)]. Cambridge University Press, Cambridge, United Kingdom and

New York, NY, USA, 881pp.

Reference to the whole report is:

IPCC, 2001: Climate Change 2001: The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the

Intergovernmental Panel on Climate Change [Houghton, J.T.,Y. Ding, D.J. Griggs, M. Noguer, P.J. van der Linden, X. Dai, K.

Maskell, and C.A. Johnson (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 881pp.