The GMD editorial board, the European Geosciences Union, and Copernicus Publications thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 5, 2012.
- H. Akimoto
- Valentina Aquila
- Kirsti Ashworth
- Ian Baker
- Kelley Barsanti
- Bill Bauerle
- Robert Baumann
- Joern Behrens
- Laurent Bertino
- Huisheng Bian
- Ed Blockley
- Marc Bocquet
- Massimo Bollasina
- Gordon Bonan
- Mike Botchev
- Peter Braesicke
- Reinhard Budich
- Peter Builtjes
- Tim Butler
- Massimo Cassiani
- Wing-Le Chan
- Sylvie Charbit
- Qi Chen
- Thomas Clune
- Daniel Cohan
- William Collins
- Camille Contoux
- Mikhail Danilin
- Robert Dickinson
- Scott C. Doney
- Leo Donner
- Anne Douglass
- Harry Dowsett
- Cari Dutcher
- Steve Easterbrook
- Michael Ek
- Nellie Elguindi
- Karlheinz Erb
- Neil Ernst
- Mathew Evans
- Gerhard Eymann
- Riccardo Farneti
- Nils Fischer
- Rosie Fisher
- Johannes Flemming
- Mei-Ching Fok
- Gilles Foret
- Marjorie A.M. Friedrichs
- Lizzie Froude
- Masahiko Fujii
- David Garmire
- Almut Gaßmann
- Andrew Gettelman
- Steven J Ghan
- Jean-Christophe Golaz
- Hugues Goosse
- Mark Govett
- Alan Grant
- Georg Grell
- Ralf Greve
- Volker Grewe
- Sue Grimmond
- Ethan Gutmann
- Rafiq Hamdi
- Hartwig Harder
- Jerry Harrington
- Gabriele Hegerl
- Peter Hess
- Daniel Hill
- Richard Hill
- Taka Hirata
- Øivind Hodnebrog
- Forrest Hoffman
- Larry W. Horowitz
- Vincent Huijnen
- Philippe Huybrechts
- Hans-Werner Jacobi
- Lyatt Jaeglé
- Chris Jones
- Andrew Jones
- Béatrice Josse
- Anne Jost
- Jim Kelly
- Astrid Kerkweg
- Thomas Kleinen
- Christoph Knote
- Andrew Knox
- Sebastian Koenig
- Paul Konopka
- Luis Kornblueh
- Charles Koven
- Mario Krapp
- Martina Krämer
- Romain Lardy
- David Lawrence
- Peter Lawrence
- Sang-Hyun Lee
- Fuyu Li
- Ciaron Linstead
- Ben Livneh
- Kristina Lundgren
- Dan Lunt
- Ted Mansell
- Thomas Marke
- Olivier Marti
- Dmytro Martynenko
- Galen McKinley
- Dimitrios Melas
- Mihaela Mircea
- Y. Miyoshi
- M. A. Mora-Ramirez
- Olaf Morgenstern
- Hugh Morrison
- Guy Munhoven
- Rolf Müller
- Chris Nolte
- Yann Nouvellon
- Tom Osborne
- Chan Pak Wai
- Frank Pattyn
- Carlos Perez Garcia-Pando
- Thomas Petzoldt
- David Plummer
- Abdessamad Qaddouri
- Johannes Quaas
- Gilles Ramstein
- Marc Rautenhaus
- Russ Rew
- Didier Roche
- Christian Rodehacke
- Geert-Jan Roelofs
- Nan Rosenbloom
- Karine Sartelet
- Daniel Sauer
- Nicholas Henry Savage
- Gavin Schmidt
- Rainer Schmitz
- Gary Shaffer
- seoleun shin
- Hideo Shiogama
- Mark Siddall
- Marc Simard
- S. Lan Smith
- Linda Smoydzin
- Ingo Soelch
- Karline Soetaert
- Paul Spence
- Allison Steiner
- Christian Stepanek
- S. Swenson
- Toshihiko Takemura
- Qiuhong Tang
- Domenico Taraborrelli
- Lev Tarasov
- Mark Taylor
- Gregory Thompson
- David Topping
- Drew Turner
- Twan van Noije
- Peter Verburg
- Alex T. Vermeulen
- Bernhard Vogel
- Apostolos Voulgarakis
- Lanning Wang
- Antje Weisheimer
- Oliver Wild
- Katharine Willett
- Jason Williams
- Yoav Yair
- Tatsuya Yamashita
- Xiaojuan Yang
- Qing Yang
- Tokuta Yokohata
- Andrew Yool
- Sönke Zaehle
- Prodromos Zanis
- Charles Zender
- Hong Zhang
- Zhongshi Zhang