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 23, 2019.
- Saran Aadhar
- Benjamin Abbott
- Nans Addor
- SANGARALINGAM AHILAN
- Ali Ahmadalipour
- Martina Aiello
- Pertti Ala-aho
- Clément Albergel
- Genevieve Ali
- Malek Alshorman
- Lorenz Ammann
- Axel Anderson
- Herve Andrieu
- Vazken Andréassian
- Louise Arnal
- Patrick Arnaud
- Kristi R. Arsenault
- Zilefac Elvis ASONG
- Francesco Avanzi
- Jorn Baayen
- Daniel Bachmann
- Andres Baeza
- Adriana Bailey
- Edward Bair
- Ian Baker
- Silvia Barbetta
- Lucy Barker
- Idar Barstad
- Paul Bartlett
- Nandita Basu
- Hannes H. Bauser
- Joan Bech
- Hylke Beck
- Joost Beckers
- Paolo Benettin
- James Bennett
- Katrina Bennett
- Lionel Benoit
- E. Hugo Berbery
- Wouter Berghuijs
- Matthias Beyer
- Marc Bierkens
- Trent W. Biggs
- Simone Bizzi
- J. Blanchet
- Paul Block
- Annalise Blum
- Günter Blöschl
- Daniele Bocchiola
- Collin Bode
- B. Boehrer
- Leonore Boelee
- Thom Bogaard
- Heye Bogena
- Konrad Bogner
- Gabrielle Boisrame
- Jan Boll
- Brunella Bonaccorso
- Emily Bondank
- Martijn Booij
- Fred C. Bosveld
- Martina Botter
- Laurène Bouaziz
- Brice Boudevillain
- Gilles Boulet
- Souhail Boussetta
- Tristan Brauchli
- Claudia Brauer
- Korbinian Breinl
- Etienne Bresciani
- Pierre Brigode
- Luca Brocca
- andrea brookfield
- Caleb Buahin
- Andrey Bugaets
- Wouter Buytaert
- Huayang Cai
- Stephane Calmant
- Jean-Christophe Calvet
- Stefania Camici
- Lenin Campozano
- Trevor Carey-Smith
- Darryl Carlyle-Moses
- Rosemary Carroll
- Ian Cartwright
- Claudio Cassardo
- Fabiana Castino
- Rodrigo Cauduro Dias de Paiva
- Francesca Cecinati
- Alessandro Ceppi
- Nathaniel Chaney
- Steven Chapra
- Adam Charette-Castonguay
- Fateh Chebana
- Yong Chen
- Heqin Cheng
- Claudia Cherubini
- Bruno Cheviron
- Giovanni Battista Chirico
- Minha Choi
- Woonsup Choi
- Margarita Choulga
- IL Moon Chung
- li chunhui
- Song Chunlin
- Elizabeth Clark
- Matthew Graham Clark
- David Clow
- Miriam Coenders-Gerrits
- Matt Cohen
- Jonathan Conway
- Steve Coss
- Etienne Cossart
- Gemma Coxon
- Barry Croke
- Wade Crow
- Matthias Cuntz
- Elad Dafny
- Ofer Dahan
- Heng Dai
- Marco Dal Molin
- Miles Daniels
- Hugo de Boer
- Gerrit H. de Rooij
- Dick Dee
- Curtis DeGasperi
- Roberto Deidda
- Aronne Dell'Oca
- Dominic Demand
- Marie-Estelle Demory
- Giuliano Di Baldassarre
- Vittorio Di Federico
- Panayiotis Dimitriadis
- Paul Dirmeyer
- Hong Do
- James Doherty
- Gennadii Donchyts
- Darren Drewry
- Jen Drummond
- Timothy Dube
- Agnès Ducharne
- Stephen Dugdale
- David Dunkerley
- Stephen Déry
- Klaus Eckhardt
- Stephanie Eisner
- Jauad El Kharraz
- Rebecca Emerton
- Michael Engel
- Richard L.H. Essery
- Katie Facer-Childs
- Julien Farlin
- Fabrizio Fenicia
- Grant Ferguson
- Ty P. A. Ferre
- Juan Ferrio
- Benjamin Fischer
- Marius Floriancic
- Adrià Fontrodona-Bach
- Giuseppe Formetta
- Jay Frentress
- Abror Gafurov
- John Gannon
- Hongkai Gao
- Bing Gao
- Margaret Garcia
- Simon Gascoin
- Eric Gaume
- Cynthia Gerlein-Safdi
- Sonja Germer
- Gerhard Gerold
- Shervan Gharari
- Hazel Gibson
- Baer Gideon
- Julia Glenday
- Shaeden Gokool
- Sergey Golosov
- Stephen Good
- George Greer
- Peter Greve
- Salvatore Grimaldi
- Stefania Grimaldi
- Manfred Groening
- Xihui Gu
- Alberto Guadagnini
- Yiqing Guan
- Lukas Gudmundsson
- Nicolas Guihéneuf
- Julien Guillemoteau
- Jan Gunnink
- Liang Guo
- Hoshin Gupta
- Björn Guse
- David Gustafsson
- Joseph Gutenson
- Ezra Haaf
- Uwe Haberlandt
- Stefan Hagemann
- Amin Haghnegahdar
- John Hammond
- Songjun Han
- Dongmei Han
- Naota Hanasaki
- Martin Hanel
- Jamie Hannaford
- Phillip Harder
- Andreas Hartmann
- Klaus Haslinger
- Khalid Hassaballah
- Elmira Hassanzadeh
- Benjamin Hatchett
- Masaki Hayashi
- Daniel Hayes
- Zhihua He
- Basile Hector
- Mohamad Hejazi
- Josef Hejzlar
- Christopher A. Hiemstra
- Feyera Hirpa
- Jannis Hoch
- Anne Hoek van Dijke
- Tobias L. Hohenbrink
- Ladislav Holko
- Tejasvi Hora
- Suksun Horpibulsuk
- Tingyu Hou
- Markus Hrachowitz
- Denis Hughes
- Mimi Hughes
- Elyn Humphreys
- Silja V. Hund
- Justin Huntington
- Greg Husak
- Matthias Huss
- Rolf Hut
- Vito Iacobellis
- Kyoko Ikeda
- Masoud Irannezhad
- Andrew Ireson
- Dylan Irvine
- Akihiko Ito
- Tatiana Izquierdo
- Conrad Jackisch
- Femke Jansen
- Fernando Jaramillo
- Lionel Jarlan
- Nicholas Jarvis
- James Jawitz
- Jennifer Jefferson
- Karsten H. Jensen
- Sanjeev Kumar Jha
- Jingchao Jiang
- Yang Jiao
- John W. Jones
- Roman Juras
- Vince Kaandorp
- Charlotte Kaempf
- Andrey Kalugin
- Richard Katz
- Richard Keim
- Jacque Kelly
- Suzanne Kelson
- Scott Ketcheson
- Jessica Keune
- Adam Kiczko
- Pierre-Emmanuel Kirstetter
- Julian Klaus
- William Kleiber
- Axel Kleidon
- Julia Knapp
- Wouter Knoben
- Sven Kotlarski
- Demetris Koutsoyiannis
- Jørn Kristiansen
- Sujay Kumar
- Daniel Kurtzman
- Barret Kurylyk
- Minoru Kusakabe
- William Kustas
- Haim Kutiel
- Nadia L. Castanheira
- Gregor Laaha
- Melissa Lafreniere
- Venkat Lakshmi
- Sebastien Lamontagne
- Jens Lange
- Joshua Larsen
- Deborah Lawrence
- Michael Lazar
- Patrick Le Moigne
- Jason Leach
- Sangchul Lee
- Huimin Lei
- Hidde Leijnse
- J.P. Leitao
- David Leutwyler
- Delphis Levia
- Jörg Lewandowski
- Bailing Li
- Zhi Li
- Mengna Li
- Lu Li
- Andrea Libertino
- Liu Liu
- Mingliang Liu
- Changhai Liu
- Yaping Liu
- Lubo Liu
- Guimin Liu
- Di Long
- Ruth Lorenz
- Athanasios Loukas
- Aris Lourens
- Dan Lu
- Yi Luo
- Arthur Lutz
- Jesús López
- J. Ignacio López-Moreno
- João Henrique Macedo Sá
- Henrik Madsen
- Tamuka Magadzire
- Ulf Mallast
- Pradeep Mandapaka Venkata
- Majdi M Mansour
- Armin Margane
- Richard marinos
- Thomas Marke
- Francesco Marra
- Eric Martin
- Giuseppe Mascaro
- Mariano Masiokas
- Thibault Mathevet
- José Matos
- Pascal Matte
- Caio Mattos
- Maurizio Mazzoleni
- Bruno Mazzorana
- Jamie McEvoy
- Scott McGrane
- Gavan McGrath
- Kevin McGuire
- David McInerney
- Yiwen Mei
- Pablo Mendoza
- Xianyong Meng
- Olivier Merlin
- Chenxi Mi
- Jason Milbrandt
- Kevan Minick
- Naoki Mizukami
- Ruping Mo
- Florentina Moatar
- Peter Molnar
- Samuel Monhart
- Dan Moore
- Vsevolod Moreydo
- Leanne Morgan
- Efrat Morin
- Giovanny Mosquera
- Rebecca Mott
- Mohad Mousavi Nezhad
- Saumitra Mukherjee
- Marc F. Muller
- Michael Muskulus
- Josh Myrans
- Anders Bjørn Møller
- Hannes Müller-Thomy
- Paolo Nasta
- Alexandra Nauditt
- Ali Nazemi
- Maria Neves
- Andrew Newman
- Brandi Newton
- Talon Newton
- Gene-Hua Crystal Ng
- Cosmo Ngongondo
- Erin Nicholls
- Raquel Nieto
- Bart Nijssen
- Remko C. Nijzink
- Efthymios Nikolopoulos
- Jun Niu
- Jie Niu
- Indira Yadira Nolivos Alvarez
- Rodolfo Nóbrega
- Christophe Obergfell
- Ferdinand Oberle
- Enda OConnell
- Chris Onof
- Dhouha Ouali
- Ludovic Oudin
- Arthur Palmer
- Luke Pangle
- Simon Michael Papalexiou
- Juraj Parajka
- Mario Parise
- Damiano Pasetto
- Sylvain Payraudeau
- Geoff Pegram (deceased)
- Nadav Peleg
- BIN PENG
- Xiaoyu Peng
- Daniele Penna
- Rui A. P. Perdigão
- Magnus Persson
- Saso Petan
- Chelsea Peters
- Cuan Petheram
- Laurent Pfister
- Fred Phillips
- Francesca Pianosi
- Celine Planche
- Stefan Ploum
- Laura Poggio
- Sandra Pool
- Aloah Pope
- David Post
- Vincent E.A. Post
- Andreas F. Prein
- David Pritchard
- Pere Quintana-Seguí
- Gretchen R Miller
- Vahid Rahimpour Golroudbary
- Mostaquimur Rahman
- Oldrich Rakovec
- Tiago Ramos
- Katherine Ransom
- Todd Rasmussen
- Timothy Raupach
- Giovanni Ravazzani
- Diego Ravazzolo
- Oreste Reale
- Stefan Reichenberger
- Maik Renner
- Sophie Ricci
- Riccardo Rigon
- Michel Riksen
- Michael Rinderer
- David Robertson
- Jose Rodriguez
- Fleur Roland
- Emanuele Romano
- Renata Romanowicz (deceased)
- Laura Rontu
- Donald Rosenberry
- Nigel Roulet
- Joachim Rozemeijer
- Yoram Rubin
- Virginia Ruiz-Villanueva
- Anna Russian
- Chris Russoniello
- Karen Ryberg
- Ole Rössler
- Margarita Saft
- Gianfausto Salvadori
- Luis Samaniego
- shilei Sang
- Ali Sarhadi
- Hubert H.G. Savenije
- Bettina Schaefli
- Ulrike Scherer
- Marc Schleiss
- Christian Schmidt
- Raphael Schneider
- Markus Schnorbus
- Martha Scholl
- Gerrit Schoups
- Daniel Scott
- Samuele Segoni
- Catalina Segura
- Jan Seibert
- Maryam Shafaei
- Ashish Sharma
- Chaopeng Shen
- Liangsheng Shi
- James Shucksmith
- Jon Olav Skøien
- Joshua Soderholm
- Dimitri Solomatine
- Márk Somogyvári
- Xin Song
- Christopher Spence
- Caitlin Spence
- Gunter Spoeck
- James Stagge
- Kerstin Stahl
- Dimitrios Stampoulis
- Maria Staudinger
- Tammo Steenhuis
- Victor Stepanenko
- Michael Stewart
- Tibor Stigter
- Michael Stoelzle
- Maria Strack
- Christine Stumpp
- Bob Su
- Bo Sun
- huaiwei sun
- Kerang Sun
- Peng Sun
- Samuel Jonson Sutanto
- Kazuyoshi Suzuki
- Jozsef Szilagyi
- Piotr Szymczak
- Pejman Tahmasebi
- Amin Talei
- Maliko Tanguy
- Suzanne Tank
- Adriaan J. (Ryan) Teuling
- Wim Thiery
- Guillaume Thirel
- Stephan Thober
- Fuqiang Tian
- Ye Tian
- Joris Timmermans
- Juxiu Tong
- Laura Toran
- Michele Toucher
- Tuvia Turkeltaub
- Kenichi Ueno
- Gokcen Uysal
- Garth van der Kamp
- Mick van der Wegen
- Anne Van Loon
- Kimberly Van Meter
- Marit Van Tiel
- Anoop Veettil
- Jean-Pierre Vergnes
- Jan Verkade
- Tobias Vetter
- Daniele P. Viero
- Alberto Viglione
- Marcos Villacís
- Gabriele Villarini
- Aude Vincent
- Ate Visser
- Annie Visser-Quinn
- Nathalie Voisin
- Elena Volpi
- Jana von Freyberg
- Michalis Vousdoukas
- Anton Vrieling
- Jasper Vrugt
- Thorsten Wagener
- Marc Walther
- Dingbao Wang
- Junbo Wang
- Hailong Wang
- Hui Wang
- Shanshan Wang
- Shixin Wang
- Lan Wang-Erlandsson
- Conrad Wasko
- Sylvain Weill
- Lijuan Wen
- Micha Werner
- Adrian Werner
- Charles West
- Martijn Westhoff
- Olaf Weyl
- Howard Wheater
- Wolfgang Wilcke
- Ian Williams
- Scott Wilson
- Alana M. Wilson
- Florian Wittmann
- Jefferson Wong
- Ming-ko Woo
- Daniel Wright
- Yiping Wu
- chuanan Xia
- Sinan Xiao
- Zunyi Xie
- Lihua Xiong
- Yue-Ping Xu
- Teng Xu
- Mengzhen Xu
- Yi-Chen Ethan Yang
- Long Yang
- Xianlong Yang
- Ming Ye
- aizhong ye
- T.C.J. Yeh
- Omer Yetemen
- Michael Young
- Lianyu Yu
- Guo Yu
- Xing Yuan
- Ane Zabaleta
- Dusan Zagar
- Katalin Anita Zagyvai-Kiss
- Elena Zakharova
- Ulrich Zanke
- Massimiliano Zappa
- Peter Zavialov
- Erwin Zehe
- Yijian Zeng
- Xiankui Zeng
- Lingzao Zeng
- Hongbin Zhan
- Erfeng Zhang
- Qian Zhang
- Zhicai Zhang
- Yafeng Zhang
- Fang Zhao
- Yi Zheng
- Feifei Zheng
- Chunlüe Zhou
- Yan Zhu
- Margaret Zimmer
- Davide Zoccatelli
- Li Zongxing
- Enrico Zorzetto
- Roman Zurek