Copernicus Publications and the Executive editors of HGSS thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 10, 2019.
- Asta Anikeniene
- Karen Aplin
- Georges Balmino
- Tom Beer
- Günter Blöschl
- Dalia Buresova
- Vyacheslav Burov
- Jorge Luis Chau
- Edward W. Cliver
- Huw Davies
- Leonid Emelyanov
- Gregory Good
- Jon Ove Hagen
- Aksel Walloe Hansen
- Kristine Harper
- Ulf-Peter Hoppe
- Pierre Hubert
- David Hysell
- Brian L. N. Kennett
- John Kennewell
- Eva Lopez-Perez
- Renata Lukianova
- Ishii Mamoru
- Joan Marti
- Steve McNutt
- Juan Molina
- Eugene Morozov
- Setsuya Nakada
- S. Okano
- Kjellmar Oksavik
- Claudio Olalla
- Armando Ortuno
- Andreas Reinhold
- Pascal Richet
- Chris Rizos
- Johan Rodhe
- Denis Savoie
- Harald Schuh
- Finn Soraas
- Jaime Urrutia-Fucugauchi
- Hans Volkert
- Zhongliang Wu