Jennika Hammar

Jennika Hammar is a researcher at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research in Potsdam, Germany. She is part of the Permafrost Research group under the institute's polar terrestrial environmental systems program. Her work focuses on Remote Sensing, Geoinformation Systems, and Visualisation, with emphasis on understanding permafrost dynamics and cryosphere-climate interactions.

Recent research includes studies on ice wedge dating in Siberia, hydrological monitoring of rock glaciers in the Alps, and paleoenvironmental reconstructions in Lake Victoria. She contributes to open science via data publishing platforms like PANGAEA, ensuring accessibility of georeferenced datasets. Her 2025 publications highlight methodological advancements in paleoclimatology and cryosphere analysis.