Online Seminars 2021 Oral Presentations June 8 - Hydrology June 15 - Solid Earth June 17 - Hydrology June 22 - Solid Earth June 24 - Hydrology June 29 - Hydrology July 6 - Biogeosciences July 8 - Hydrology July 13 - Biogeosciences July 15 - Solid Earth July 20 - Geodesy and Hydrology