| Author(s) | Organisation(s) | Session |
| Agathangelidis, Ilias | National and Kapodistrian University of Athens, Greece | WS#5 ID.32248 |
| Alikas, Krista | Tartu Observatory, University of Tartu, Estonia | WS#2 ID.32405 |
| Alpers, Werner Rudolf | University of Hamburg, Germany | WS#2 ID.31451 Presenter, WS#2 ID.31451 Presenter |
| Althausen, Dietrich | Leibniz Institute for Tropospheric Research (TROPOS), Germany | WS#1 ID.32296 |
| An, De yu | Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, China; University of Chinese Academy of Sciences, Beijing , China | WS#2 ID.31451 Presenter |
| Anand, Jasdeep | Earth Observations Science Group, University of Leicester, Leicester, UK | WS#1 ID.32301 |
| Ao, Meng | State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing,Wuhan University, China | WS#4 ID.32278 Presenter |
| Archer, Olivier | IFREMER, France | WS#2 ID.32249 |
| Aslan, Gokhan | Université Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, IFSTTAR, ISTerre, 38000, Grenoble, France | WS#4 ID.32431 |
| Ayala, Alvaro | ETh Zurich; Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Switzerland; Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH-Zurich, Switzerland | WS#3 ID. 32439, WS#3 ID. 32439 |