Copernicus Publications and the Chief editors of ESSD thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 13, 2021.
- M. Abel
- Jakob Abermann
- Sim Aberson
- Rose Abramoff
- Tiago Abreu
- Rebecca Adams-Selin
- Nans Addor
- Cécile Agosta
- Panagiotis Agrafiotis
- Anna Agusti-Panareda
- Anna Lea Albright
- Sarretta Alessandro
- Christine Alewell
- Rafat Ali
- Esteban Alonso-González
- Uwe Altenberger
- Thorben Amann
- Philip Anderson
- Robbie Andrew
- Vazken Andréassian
- Edward Anthony
- Moshe Armon
- Damien Arvor
- Karl Auerswald
- Cesar Azorin-Molina
- Grayson Badgley
- Bok H. Baek
- Sean Bailey
- Bruce Baker
- Argha Banerjee
- Manjola Banja
- Andre Banning
- Francesco Barbariol
- Natasha Barlow
- Hannes H. Bauser
- Robin Beaman
- Hiroko Beaudoing
- Michel Bechtold
- Hylke Beck
- Jeffrey Beem Miller
- Elisa Beilinson
- Alexandre Belleflamme
- Harm-Jan Benninga
- Matthias Bernreuther
- Erin Berryman
- Barbara Berx
- Jan Beutel
- Achim A. Beylich
- Frederick Bingham
- Paul Blanchon
- Frank Blumensaat
- Alan Blyth
- Julien Bodart
- Greg Bodeker
- Eva Boergens
- Demetrio Boltovskoy
- Ben Bond-Lamberty
- Nadine Borduas-Dedekind
- Clare Boston
- Jacqueline Boutin
- Patrick Boyden
- Andreas Brack
- Francesco Brardinoni
- Claire Brenner
- Hajnalka Breuer
- Christina Brito
- Luca Brocca
- Helene Brogniez
- Ian Brooks
- Vanda Brotas
- Yuri Brugnara
- Tom Bruulsema
- Helmut Brückner
- Rodrigo E. Bürgesser
- Olaf Büttner
- Diego Caamaño
- Salvatore Calabrese
- Manuel Campagnolo
- Changyong Cao
- David Carlson
- Dustin Carroll
- Brendan Carter
- Rafael C. Carvalho
- Hayley C. Cawthra
- Nathaniel Chaney
- Jinfeng Chang
- Kai-Lan Chang
- Chen-Tung Arthur Chen
- Yaning Chen
- Min Chen
- H.S. Chen
- Yong Chen
- Gang Chen
- X.-L. Cheng
- Louise Chini
- Gabriele Chiogna
- Luca Ciabatta
- Paul Ciesielski
- John Clinton
- Hilary Close
- Luca Comegna
- Adolfo Comeron
- Roisin Commane
- Howard Conway
- Jonathan Conway
- Christopher Cox
- Gemma Coxon
- Thomas M. Cronin
- Maria Czaja
- Paolo D'Odorico
- April Dalton
- Dragan Damjanovic
- Shree R.S. Dangal
- Sean Davis
- Benjamin Davison
- Gino de Gelder
- Michele Deflorio
- Kyle Delwiche
- Dominic Demand
- Dave DeMaster
- Xin Deng
- Heiner Denker
- Timothy DeVries
- Bernhard Diekmann
- Markus Diesing
- Hong Do
- Hang Thi Do
- Ronald Dobosy
- Wouter Dorigo
- Amelie Driemel
- Jinyang Du
- Zheng Duan
- Oana Dumitru
- Blake Dyer
- Clare Eayrs
- Olaf Eisen
- Clayton Elder
- Adam Emmer
- Hisashi Endo
- Keith D. Evans
- Olivier Evrard
- Andrea Fassbender
- Jerome Fast
- Sandro Federici
- Min Feng
- Luigi Ferranti
- Joana Ferreira
- Benjamin Fersch
- Joel Fiddes
- Charles Fierz
- Cecile Finco
- Alvise Finotello
- Vitali Fioletov
- Dennis Flanagan
- Dirk Fleischer
- Ayan Fleischmann
- Andrea I. Flossmann
- Elizabeth Follett
- Matthew Forrest
- Ilias Fountoulakis
- Jennifer Fowler
- Olivier Francis
- J.E. Franklin
- James Franklin
- Jeff French
- Benjamin Fricke
- Pierre-Louis FRISON
- Yu Fu
- andrew fullhart
- Christoph Förste
- Angeles Gallego
- Chaochao Gao
- Chao Gao
- Jing Gao
- Antonio Garcia Alix
- Odei Garcia-Garin
- Ángel García-Arnay
- Simon Gascoin
- Hélène Genet
- Geet George
- Beatrice Maria Sole Giambastiani
- Louis Giglio
- Bernard Giroux
- Thomas Gloaguen
- Sebastian Gnann
- Daniel L. Goldberg
- Pablo J. Gonzalez
- Gil Gonçalves
- Jonathan Gourley
- Isabelle Gouttevin
- Maximilian Graf
- Christian Grams
- Heather Graven
- David Griffith
- Stephen M. Griffith
- Jianping Guo
- Weichao Guo
- Marcelo Guzman
- Annette E. Götz
- Christian Haberland
- Hanna Hajdukiewicz
- Joanne Hall
- Nadine Hallmann
- Pengfei Han
- Martin Hanel
- Patrick Hanly
- Jamie Hannaford
- Jane Hart
- S. Hashimoto
- Florian Haslinger
- Birgit Hassler
- Jan E. Haugen
- Danièle Hauser
- Hans-Balder Havenith
- Jian He
- Fanneng He
- Michael Heap
- Hartmut Hellmer
- Geoffrey Henebry
- Jay Herman
- Tim Hermans
- Iván Hernández-Almeida
- Angela Hibbert
- Fiona D. Hibbert
- Eric J. Hintsa
- Luna Hiron
- Hung Chak Ho
- Martin Hoelzle
- Jonathan Holt
- Yang Hong
- Mario Hoppema
- Enqing Hou
- Guannan Hu
- Xianglei Huang
- Yan Huang
- Michael Humber
- Matthew Humphreys
- Kazuhito Ichii
- Janet Intrieri
- Athanasia Iona
- Akihiko Ito
- Conrad Jackisch
- Keith Jackson
- Daniel Jacob
- Thomas Jagdhuber
- Norbert Jakowski
- Ivica Janeković
- David Jensen
- Gensuo Jia
- Weiguo Jiang
- Richard Johnson
- Vanessa Johnston
- François Jonard
- Philip Jones
- Radoux Julien
- Dominik Kaim
- Stefan Kaufmann
- Chang-Qing Ke
- David Ketchum
- Kul Khand
- Leonie Kiewiet
- Jong Kim
- John King
- Joshua King
- Moritz Kirsch
- Timea Kiss
- Anne Kleinert
- Alexander Kmoch
- Stefan Kneifel
- Michelle Koutnik
- Nikos Koutsias
- Mahesh Kovilakam
- Jennifer Kreklow
- Maarten Krol
- Arlin Krueger
- Tracy Kugler
- Daniel Kull
- Tristan L'Ecuyer
- J. Lan
- Matthew Lazzara
- Dewi Le Bars
- Hanna Lee
- Bernhard Lehner
- Ari-Pekka Leppänen
- Husi Letu
- Aleksandra Lewandowska
- Stefan Leyk
- X. Li
- Prof Li
- Yan Li
- Xuecao Li
- Rongxing Li
- Tao. Li
- Yan LI
- Jianfeng LI
- Xin Li
- Guoyu Li
- Kang Liang
- Marco Ligi
- Jonathan Lilly
- Nicola Litchfield
- Hongyu Liu
- Qiao Liu
- Liangyun Liu
- X. P. Liu
- Min Liu
- Zaihua Liu
- Fang Liu
- Di Long
- Maria Jose Lopez Gonzalez
- Keding Lu
- Richard Lucas
- Rick Lumpkin
- Cristian Lussana
- Xianqing Lv
- Léa Lévy
- Natasha MacBean
- Gerald Mace
- Shamil Maksyutov
- Carl Malings
- Ulf Mallast
- Marc Daniel Mallet
- Mioara Mandea
- Giuseppe M.R. Manzella
- kebiao mao
- Eloise Marais
- Paula Marques Figueiredo
- Julia Marshall
- Urs Marti
- Lacey Mason
- Marco Materazzi
- Michael Mathot
- Patricia Matrai
- Kenichi Matsuoka
- Jürgen Matzka
- Erin E. McDuffie
- David McJannet
- Gavin McNicol
- Yiwen Mei
- Joe Melton
- Massimo Menenti
- Foster Mensah
- Mathis Messager
- Mireia Mestre
- Vera Meyer
- Chiyuan Miao
- Georg Miehe
- Federica Migliaccio
- Luis Millan
- Annalisa Minelli
- Kazuyuki Miyazaki
- Eli Mlawer
- Ian Moffat
- Carsten Montzka
- Dan Moore
- Anne L. Morée
- Masaharu Motoshita
- Daniel Moya
- Pradeep P. Mujumdar
- Colin V. Murray-Wallace
- Andreas Musolff
- Mirko Mälicke
- Rolf Müller
- Felix L. Müller
- Gerrit Müller
- Mohsen Nabil
- Uri Nachshon
- Pamela Nagler
- Tim Naish
- Patrick Neale
- Malte Neuper
- Robert Nicholls
- Tadas Nikonovas
- Vladimir Nikora
- Ingmar Nitze
- Matthew Norgren
- Masahito Nose
- Samuel U. Nussbaumer
- Tonatiuh Guillermo Nuñez Ramirez
- Michael O'Leary
- Christina Obert
- Todd OBrien
- Takashi Oguchi
- Toshimasa Ohara
- Tunde Olarinoye
- John R. Olson
- Rene Orth
- Kazutoshi Osawa
- José Antonio Oteros Moreno
- Ines Otosaka
- Lars Ottemöller
- Brianna Pagán
- Roland Pail
- Yiannis Panagopoulos
- Kathrin Pascher
- Adam Pasik
- Eduardo Savio Passos Rodrigues Martins
- Hanna Pawlowska
- Nadav Peleg
- Shouzhang Peng
- Jian Peng
- Daniele Penna
- Jeanne Percival
- Susana Pereira
- Fiz F. Perez
- Dmitry Petrakov
- Ana Maria Roxana Petrescu
- Bruno Petriccione
- Irina Petropavlovskikh
- Hans Pfeiffenberger
- Aparna Phalke
- Darren Pilcher
- Elizabeth Ann Pillar-Little
- Silvia Pondrelli
- Nitesh Poona
- Rosmeri Porfírio da Rocha
- Bernhard Pospichal
- Olivier Prat
- Bhanu Pratap
- Caitlin Pries
- Simon Proud
- Thomas Pugh
- Laura Queen
- Mircea Radulian
- Dominik Rains
- Youhua Ran
- Eric Rappin
- Kabir Rasouli
- Robert Rauber
- Alexander Rautenberg
- Shira Raveh-Rubin
- Richard Ray
- Thomas Recknagel
- Vincent Regard
- Paula Reimer
- Joachim Reuder
- Guido Rianna
- David Richards
- Andrew Richardson
- Andreas Richter
- Tomeu Rigo
- Camille Risi
- Greg Roberts
- Fernando Rodriguez-Morales
- Alejandra Rojas
- Fabien Roquet
- Stine Kildegaard Rose
- Ake Rosenqvist
- Thomas Röckmann
- Stephen Sagar
- Kazuyuki Sakuma
- Michael P. Sama
- Marieke Sandker
- Miguel Sanjuan
- Nophea Sasaki
- Prakki Satyamurty
- Marielle Saunois
- Ted Scambos
- Bernd Scheuchl
- David Schmale
- Britta Schmalz
- Thierry Schmitt
- Stan Schymanski
- Patric Seifert
- Ki-Weon Seo
- Hansjoerg Seybold
- Guofeng Shen
- Yupeng Shen
- Miaogen Shen
- Marianna Shepherd
- Andrew Shepherd
- Clark Sherman
- Y. Shimabukuro
- Mohammed Shokr
- Peng Si
- Stefano Sibilla
- Robert Skelton
- Andrew Smedley
- Steven Smith
- Craig Smith
- William Smith
- Viktoria Sofieva
- M. Solan
- Vadim Soldatov
- Yang Song
- Tarmo Soomere
- Alessandro Sorichetta
- Joao Souza
- Seth Spawn
- Jemma Stachelek
- Emily Stanley
- Wolfgang Steinbrecht
- Claudia Stephan
- Simon Stephenson
- Scott Stevens
- Ryan Stewart
- Andrea Storto
- Alexander Strom
- Tazio Strozzi
- B. N. Sulman
- Congcong Sun
- Adam Switzer
- Georgios Sylaios
- Brigitta Szabó
- Hossein Tabari
- David Talmy
- Xiao Tang
- Guoping Tang
- Zhining Tao
- FL Tao
- Elena Tel
- Samuel Thiele
- Mary-Louise Timmermans
- M. Tomas-Burguera
- Konstantinos Topouzelis
- George Tserpes
- David Turner
- Iwao Ueki
- Matteo Vacchi
- Michiel van den Broeke
- Martijn van den Ende
- Tessa Sophia van der Voort
- Katrien Van Landeghem
- Ilja van Meerveld
- Thomas van Veelen
- Pieter van Zyl
- Gianfranco Vannucci
- Henrik Vedel
- Georg Veh
- Chiara Venier
- Fosco Vesely
- Madeleine Vickers
- Timo Vihma
- Holger Vömel
- Thomas Wagner
- Bianca Wagner
- Lei Wang
- Junhong Wang
- Zeliang Wang
- Q. W. Wang
- Yilong Wang
- Lunche Wang
- Dié Wang
- Zhou Wang
- Jie Wang
- Shuo Wang
- Qianfeng Wang
- Wei Wang
- Alice Wanner
- Rik Wanninkhof
- Jennifer Watts
- Graham Weedon
- Zhongwang Wei
- Ralf Weisse
- Jun Wen
- Jeremy Werdell
- Joanna Wibig
- C. Jason Williams
- Nancy Williams
- Martin Wirth
- Jessie Woodbridge
- Craig Woolsey
- Guy Woppelmann
- Daniel Wright
- Xiaodong Wu
- Xiangao Xia
- Pengfeng Xiao
- Hongjie Xie
- Yanhua Xie
- Fang Xiuqi
- Xiaojun Xu
- Bo Yang
- Judy Yang
- Rui Yao
- Yingying Yao
- Jacob Yde
- Yu Ye
- X. Yin
- Shuiqing Yin
- Kenji Yoshikawa
- Liangzhi You
- Bofu Yu
- Le Yu
- Q. Yue
- Xu Yue
- Ali P. Yunus
- Giovanni Zanchetta
- Yijian Zeng
- Fan Zhang
- Guoqing Zhang
- Xiaotong Zhang
- Qingwen Zhang
- zhao zhang
- yao zhang
- Xiaobo Zhang
- Yucui Zhang
- Hankui Zhang
- Miao Zhang
- mingxi zhang
- Hong Zhao
- Tianjie Zhao
- Bo Zheng
- Qiming Zheng
- Yushan Zhou
- Yuntao Zhou
- Qing Zhu
- Amanda Ziegler
- S. Zimmermann
- George Zodiatis