The GI 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 8, 2019.
- George Alexandrakis
- Elsayed Alkattan
- Denghai Bai
- Ales Bezdek
- Silvena Boteva
- Kenneth R. Bromund
- Raffaele Castaldo
- Kai Chen
- Mathieu Colombier
- Yu Ding
- Marina Díaz-Michelena
- Raphael Dlugosch
- Henryk Dobslaw
- Aimin Du
- Alexander Duda
- F. Dudkin
- Mohamed El Sadek
- Runlong Fan
- Alexandre Gonsette
- Julian Gröbner
- Chen Guangyuan
- Changpei Han
- Anu Heikkilä
- Adam Hitchcock
- Trevor Irons
- Chuandong Jiang
- Salvador Jimenez
- Stelios Kazadzis
- Rolf Kilian (deceased)
- Michael Kloster
- Lihua Liu
- Werner Magnes
- Maria Luisa Martin
- German Martinez
- Andrii Marussenkov
- José Luis Mesa Uña
- Barry Narod
- Enrique Nicolas
- Audrey Ougier-Simonin
- A. D. Parsekian
- Andrii Prystai
- Maria Ramirez
- Peter L. Read
- Vito Renò
- Gerardo Romano
- Martin Rother
- Jose Luis Sanchez
- Walter Schmidt
- Timm Schoening
- Volkmar Schultze
- Viktoria Sofieva
- David Usero
- Francisco Valero
- Luis Vazquez
- Maria Pilar Velasco
- Jothiram Vivekanandan
- Michael Wack
- Christoph Waldmann
- Dongmei Yang
- Nese Yilmaz
- Gang Yu
- Antonio Zarlenga
- wang zhongxing
- George Zusman