Dr. Joschka Geißler
Wissenschaftlicher Mitarbeiter
Professur für Hydrologie
Albert-Ludwigs-Universität Freiburg
Friedrichstraße 39
79098 Freiburg
Raum-Nr: 01.024
Tel: 0761 – 203 3531


Publikationen auf FreiDok plus
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Geissler, J., Mazzotti, G., Rathmann, L., Webster, C., & Weiler, M. (2025). Forest Snow Patterns Derived Using ClustSnow Are Temporally Persistent Under Variable Environmental Conditions. Water Resources Research, 61(9), e2024WR038442. https://doi.org/10.1029/2024wr038442
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Geissler, J., & Weiler, M. (2025b). ClustSnow: determining and using snow distribution patterns. https://doi.org/10.6094/UNIFR/262181
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Geissler, J., & Weiler, M. (2025a). ClustMod: predicting patterns of snow distribution. https://doi.org/10.6094/UNIFR/262180
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Geissler, J. (2025). Determining and predicting spatiotemporal snow patterns in forested environments. https://doi.org/10.6094/UNIFR/269194
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Geissler, J., Mazzotti, G., Rathmann, L., Webster, C., & Weiler, M. (2024). ClustSnow: utilizing temporally persistent forest snow patterns under variable environmental conditions. Authorea, Inc. https://doi.org/10.22541/essoar.172222597.78203131/v1
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Geissler, J., Rathmann, L., & Weiler, M. (2024). Spatiotemporal observations on the distribution of snow in forests for two study sites and three winter seasons [Dataset]. https://doi.org/10.6094/UNIFR/255332
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Geissler, J., Rathmann, L., & Weiler, M. (2023). Combining daily sensor observations and spatial LiDAR data for mapping snow water equivalent in a sub-alpine forest. Water Resources Research, 59(9), e2023WR034460. https://doi.org/10.1029/2023wr034460
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Geissler, J., Rathmann, L., & Weiler, M. (2023). Spatio-temporal snow variability in the sub-alpine Alptal, Switzerland – UAV-based LiDAR snow depth maps and derived products [Dataset]. https://doi.org/10.6094/UNIFR/232647
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Geissler, J., Mayer, C., Jubanski, J., Münzer, U., & Siegert, F. (2021). Analyzing glacier retreat and mass balances using aerial and UAV photogrammetry in the Ötztal Alps, Austria. The Cryosphere, 15(8), 3699–3717. https://doi.org/10.5194/tc-15-3699-2021
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Rathmann, L., Geissler, J., & Reiterer, A. (2021). Concept for a novel airborne LiDAR system combining high-resolution snow height mapping with co-registered spatial information on the water content of the snowpack. Multimodal Sensing and Artificial Intelligence: Technologies and Applications II. https://doi.org/10.1117/12.2591815
RESEARCH INTERESTS
Remote Sensing | Spatial Data Science | Snow hydrology | Modelling | Environmental sciences
EDUCATION
| since 2025 | PostDoc at the Chair of Hydrology, University of Freiburg |
| 2020 – 2025 | PhD student at the Chair of Hydrology, Faculty of Environment and Natural Resources, University of Freiburg |
| 2016 – 2019 | M.Sc. Environmental Engineering; Minors: Remote Sensing, GIS, Hydrology, Modelling, Environmental Sciences; TU Darmstadt |
| 2012 – 2016 | B.Sc. Environmental Engineering; TU Darmstadt |
THESIS
| 2025 | Dr. rer. nat.: Determining and Predicting Spatiotemporal Snow Patterns in Forested Environments |
| 2019 | M.Sc. thesis: Multitemporal 3D-change analysis generated from aerial photographs to detect potential natural hazards in the Alps |
| 2016 | B.Sc. thesis: Implementation of Geodata – Workflows using FME Technology |
INTERNATIONAL EXPERIENCES
| 2017 – 2018 | Study exchange to EPFL, Lausanne, Switzerland |
| 2015 | Remote Sensing project on erosion in Brazil; UNESP Ilha Solteira |
EMPLOYMENTS
| 2019 | Research Associate, 3DRM GmbH Munich |
| 2018 – 2019 | Research Associate, Faculty Remote Sensing & Image Analysis, TU Darmstadt |
| 2015 – 2017 | Tutor, Faculty for Geodetic Surveying Systems, TU Darmstadt |