The HESS 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 15, 2011.
- Wossenu Abtew
- Jennifer Adam
- Amir AghaKouchak
- Clément Albergel
- Paola Allamano
- Eyal Amitai
- Emmanouil Anagnostou
- Martha Anderson
- Konstantinos Andreadis
- Ignacio Andrés-Doménech
- Christian Anibas
- Marco Antonellini
- Heiko Apel
- Stacey Archfield
- Karsten Arnbjerg-Nielsen
- Giuseppe Tito Aronica
- Ali Assani
- Vladan Babovic
- Sophie Bachmair
- Nicolas Baghdadi
- Victor R. Baker
- Jens Bange
- Susana Barbosa
- Nandita Basu
- A. Beliaev
- Anton Beljaars
- Dino Bellugi
- Rasmus Benestad
- Luzi Bernhard
- Cintia Bertacchi Uvo
- Enrico Bertuzzo
- Keith Beven
- Marc Bierkens
- Menberu Bitew
- Peter Blanken
- Paul Block
- Theresa Blume
- Eleanor Blyth
- Günter Blöschl
- Fulvio Boano
- Heye Bogena
- Jan Boll
- David Bonfil
- Martijn Booij
- Bodo Bookhagen
- Marco Borga
- Helge Bormann
- Francesco Bosello
- Gianluca Botter
- Johan Bouma
- Charles Bourque
- Souhail Boussetta
- LOUISE BRACKEN
- Isabelle Braud
- Ludwig Braun
- Robert Brecha
- Levi Brekke
- Judith Bremer
- Luca Brocca
- Axel Bronstert
- James Brown
- Doug Burns
- Wouter Buytaert
- András Bárdossy
- Alfonso Calera
- Jean-Christophe Calvet
- Helio Camargo
- Antonino Cancelliere
- Bayani Cardenas
- Markus Casper
- Sebastien Castelltort
- Jean-Daniel Champagnac
- André Chanzy
- Jean-Baptiste Charlier
- Kwok-Wing Chau
- Ghani Chehbouni
- Jin Chen
- Chao Chen
- Fang-Ching Chien
- Giovanni Battista Chirico
- Antonis Christofides
- Xuefeng Chu
- Wei Chu
- Francesco Ciocca
- Pierluigi Claps
- Elizabeth Clark
- Hannah Cloke
- Kelly Cobourn
- Antonio Coppola
- Dov Corenblit
- Anne COUDRAIN
- Dominique COURAULT
- Russell S. Crosbie
- Wade Crow
- Guido d'Urso
- Giancarlo Dalla Fontana
- Felipe de Barros
- Dirk H. de Boer
- Richard de Jeu
- Carmen de Jong
- Gabriëlle De Lannoy
- Katrien De Pourcq
- Patricia de Rosnay
- Olivier de Viron
- Eric J.M. Delhez
- Julie Demargne
- Giuliano Di Baldassarre
- Bernd Diekkrüger
- Paul Dirmeyer
- Wouter Dorigo
- Francesco Dottori
- Marcela Doubkova
- Clara Draper
- Wolfgang Dreybrodt
- David Dunkerley
- Fabrizio Durante
- Emanuel Dutra
- Petra Döll
- Zachary Easton
- Elizabeth Ebert
- Uwe Ehret
- Jason Eisdorfer
- Arturo Elosegi
- Bjoern Elsaesser
- tegenu Engda
- Yehouda Enzel
- Ali Ershadi
- Hedeff Essaid
- Ian Evans
- Jason Evans
- Johann Fank
- Monireh Faramarzi
- Balazs Fekete
- Fabrizio Fenicia
- Ian Ferguson
- Ty P. A. Ferre
- Francesco Fiorillo
- Hannes Flühler
- Thomas Foken
- Bart Forman
- Bertrand Fournier
- Robert Francis
- Félix Francés
- Andrew N. French
- Jan Friesen
- Ray Froend
- Daniel Fuka
- Franci Gabrovsek
- Francesc Gallart
- Sangram Gangul
- Daniele Ganora
- Xiaogang Gao
- Emna Gargouri-Ellouze
- Julio Garrote
- John Gathenya
- Dieter Gerten
- Andrea Gioia
- Faith Githui
- Mauro Giudici
- Tom Gleeson
- Mustafa Gokmen
- Pierre Goovaerts
- Lorenzo Gorla
- Rao S. Govindaraju
- Thomas Graf
- Jennifer Grant
- Peter Grathwohl
- Carlo Gregoretti
- Salvatore Grimaldi
- Carlos Henrique Grohmann
- Kaiyu Guan
- Thomas Gumbricht
- Andrew Guswa
- Peter Guth
- Annemieke Gärdenäs
- Andreas Güntner
- Reindert Haarsma
- Uwe Haberlandt
- Florence Habets
- Stefan Hagemann
- Shigenori Haginoya
- Hendrick Haitjema
- Khaled Hamdan
- Naota Hanasaki
- Jamie Hannaford
- Ciaran Harman
- Ken Harrison
- Stefan Hasenauer
- Peter Hawkes
- Pieter Hazenberg
- Yi He
- Minxue (Kevin) He
- Thomas Hein
- Hugo Hellebrand
- Holger Hoff
- Ian Holman
- Jan Hopmans
- Kuo-Chin Hsu
- David Huard
- Johannes Huebl
- George Huffman
- Denis Hughes
- Joseph Hughes
- Johan Alexander Huisman
- Ruud Hurkmans
- Matthias Huss
- Rolf Hut
- Hendrik Huwald
- Kiseong Hyeong
- Vito Iacobellis
- Sascha Iden
- Massimiliano Ignaccolo
- Walter Immerzeel
- Monzur A. Imteaz
- Umar Iqbal
- Michel Jaboyedoff
- April James
- James Jawitz
- Erwin Jeremiah
- Li Jia
- Haiyan Jiang
- Carlos Jimenez
- Jon Paul Jones
- Andreja Jonoski
- Jürgen Junk
- Mark Jury
- Ercan Kahya
- Shih-Chieh Kao
- Theodore S. Karacostas
- Fazlul Karim
- Roy Kasteel
- Richard Kellagher
- Chris Kidd
- Anthony Kiem
- Jean-Marie Kileshye Onema
- Mike Kirkby
- Michael Kizza
- Thomas Kjeldsen
- Julian Klaus
- Tetsuo Kobayashi
- Roger Koenker
- Stefan Kollet
- Markus Konz
- Henk Kooi
- Oliver Korup
- Randy Koster
- Antonis Koussis
- Witold Krajewski
- Andreas Krein
- Brian Kronvang
- Tobias Krueger
- George Kuczera
- Kees Kuijper
- Sanjiv Kumar
- Matti Kummu
- Maximilian Köhne
- Guillaume Lacombe
- William Lahoz (deceased)
- Cedric Laize
- Mats Larsbo
- Gourdol Laurent
- Laura Lautz
- David Lavers
- Jérôme Le Coz
- Robert Leander
- Haksu Lee
- Hidde Leijnse
- Vincenzo Levizzani
- Rita Ley
- Jing Li
- Carlos Lima
- Marc Linderman
- Yuqiong Liu
- Heping Liu
- Jinli Liu
- Yuanbo Liu
- Zhongwei Liu
- Xiaoyi Liu
- Dr. MinHui Lo
- Alexander Loew (deceased)
- Scott Lowe
- Zhiming Lu
- Lifeng Luo
- Steve Lyon
- Weiqiang Ma
- Mingguo Ma
- Robert MacMillan
- Henrik Madsen
- Johnson Maina
- Alexis Maineult
- Salvatore Manfreda
- Ricardo Mantilla
- Douglas Maraun
- Mattia Marconcini
- Lucy Marshall
- Clelia Marti
- Belen Marti-Cardona
- Jose Martinez-Fernandez
- Núria Martínez-Carreras
- Shreedhar Maskey
- Gudrun Massmann
- Patrick Matgen
- Edwin Maurer
- Matthew McCabe
- Neil McIntyre
- Steffen Mehl
- Ralph Meissner
- Assefa Melesse
- Massimo Menenti
- Philippe Merot
- Bruno Merz
- Paul-Antoine Michelangeli
- Timothy Middlemis-Brown
- Sudipta Mishra
- Shigeru Mizugaki
- Helen Moggridge
- Yasir Mohamed
- Fred J. Molz
- Alberto Montanari
- Robert Moore
- Dan Moore
- Hamid Moradkhani
- Jose Moreno
- Manfred Mudelsee
- Muhammad Mukhlisin
- Joaquin Munoz-Sabater
- Haruko Murakami
- Conor Murphy
- Marian Muste
- Ioannis Nalbantis
- Francesco Napolitano
- Jacques-Andre Ndione
- Jeffrey Neal
- Hector Nieto
- Antonio Nobre
- Kevin Norton
- Claudia Notarnicola
- Gunnar Nuetzmann
- Nobuhito Ohte
- Chris Onof
- Dani Or
- Boris Orlowsky
- Aart Overeem
- Dario Papale
- Florian Pappenberger
- Juraj Parajka
- Young-Jin Park
- Jean-Yves Parlange
- Eberhard Parlow
- Antonello Pasini
- Paola Passalacqua
- Eva Paton
- Valentijn Pauwels
- Harry Pavlopoulos
- Edzer Pebesma
- Luk Peeters
- Geoff Pegram (deceased)
- Daniele Penna
- Monica Pepe
- Gerardo Perillo
- Humberto Perotto-Baldivieso
- Charles Perrin
- Muthiah Perumal
- jan Peters
- Laurent Pfister
- Richard Pike
- Maria Piles
- Pierre Pinson
- Yadu Pokhrel
- Jan Polcher
- Federico Porcu
- Amilcare Porporato
- Paolo Porto
- David Post
- Leo Postma
- Catherine Prigent
- Antonello Provenzale
- Thomas Ptak
- Zhongyi Qu
- Jose I. Querejeta
- Pere Quintana-Seguí
- Maria-Helena Ramos
- Timothy Randhir
- Peter Rasmussen
- Alison D. Reeves
- Howard Reeves
- Paolo Reggiani
- Maik Renner
- Andre Revil
- Elena Ridolfi
- Luca Ridolfi
- T.H.M. Rientjes
- Riccardo Rigon
- Raul Rivas
- Christian Robert
- Clare Robinson
- Christopher Robinson
- R. Roca
- Concepcion Rodriguez-Puebla
- Rob Roebeling
- Elena Roget
- Renata Romanowicz (deceased)
- Klemens Rosin
- Emmanuel Roulin
- Yoram Rubin
- David Rupp
- Henning Rust
- Dongryeol Ryu
- Christoph Rüdiger
- Patricia Saco
- Peter Salamon
- Paolo Salandin
- Christian Salles
- Luis Samaniego
- Jos Samuel
- Eric Sauquet
- Laura Scesi
- Bettina Schaefli
- Steffen Schlüter
- Stefan Schneider
- Gerrit Schoups
- Hans Schreier
- Karsten Schulz
- Guy J.-P. Schumann
- Daniel Schwandt
- Stan Schymanski
- Klaus Scipal
- Jan Seibert
- Gabriel Senay
- Francesco Serinaldi
- Ashish Sharma
- Steve Shaw
- Jenq-Tzong Shiau
- Douglas Shields
- Nima Shokri
- Ali Shokri
- James Shucksmith
- Stefan Siebert
- Scott Sinclair
- Shailesh Kumar Singh
- Stéphanie Singla
- Tushar Sinha
- Murugesu Sivapalan
- Jon Olav Skøien
- Lee Slater
- Paul Smith
- Jim Smith
- Kayleigh Somers
- Christopher Spence
- V.V. Srinivas
- Andre St-Hilaire
- Kerstin Stahl
- Fritz Stauffer
- Jery R. Stedinger
- Alexander Stine
- Simon Stisen
- Rune Storesund
- Bob Su
- Ge Sun
- Jan Szolgay
- Agustín Sánchez-Arcilla
- Nils Roar Sælthun
- Christina Tague
- Stefania Tamea
- Jianping Tang
- Paolo Tarolli
- Richard Taylor
- Pietro Teatini
- Anna Tedeschi
- Ermias Teferi
- Sirak Tekleab
- Adriaan J. (Ryan) Teuling
- Claudia Teutschbein
- Vera Thiemig
- Guillaume Thirel
- Edivaldo Thomaz
- Nathalie Thommeret
- Sally Thompson
- Thordis Linda Thorarinsdottir
- Geoff Thyne
- Amaury Tilmant
- Wim J. Timmermans
- Ezio Todini
- Marco Toffolon
- Ali Tokay
- Maosong Tong
- Sebastiano Trevisani
- Peter Troch
- Jens Tränckner
- Ole Einar Tveito
- Stefan Uhlenbrook
- Fernanda Valente
- Schalk Jan van Andel
- Bart van den Hurk
- Ruud van der Ent
- Christiaan van der Tol
- Rogier Van der Velde
- Albert van Dijk
- Ann van Griensven
- Ilja van Meerveld
- Geert Jan van Oldenborgh (deceased)
- Alexander Vandenbohede
- Tamie Veith
- J. Julian Velez
- Harry Vereecken
- Niko Verhoest
- Willem Verstraeten
- Alberto Viglione
- Jordi Vila-Guerau de Arellano
- Gabriele Villarini
- Daniel Viviroli
- Hans-Jörg Vogel
- Nathalie Voisin
- Zlatko Vukovic
- Willem Waegeman
- Thorsten Wagener
- Susan Waldron
- John Walton
- Guojie Wang
- Dingbao Wang
- Guoqing Wang
- Xixi Wang
- Ping Wang
- Albrecht Weerts
- Markus Weiler
- Noam Weisbrod
- Martina Weiß
- Jochen Wenninger
- Micha Werner
- Rogier Westerhoff
- Martijn Westhoff
- Matthias Winiger
- Hessel Winsemius
- Hartmut Wittenberg
- David Wolock
- Piotr Wolski
- Geraldine Wong
- Eric Wood (deceased)
- Andy Wood
- Ross Woods
- Jon Woody
- Nigel Wright
- Anders Wörman
- Zongxue Xu
- Dai Yamazaki
- Soni Yatheendradas
- Pat Yeh
- Koray K. Yilmaz
- Jinsheng You
- Donald R. Young
- Rita Yu
- Benjamin F. Zaitchik
- Massimiliano Zappa
- Peter Zavialov
- Erwin Zehe
- Yijian Zeng
- Melanie Zeppel
- Hongbin Zhan
- Marek Zreda
- Mehrez Zribi