2026-10-09, 14:00–14:15 (Europe/Amsterdam), Rooms 12+14
Elevated forest disturbances and excess tree mortality are increasingly reported worldwide. Yet existing assessments are either based on patchy terrestrial observations or on large-scale satellite products, which are limited in resolution to pixel-level, binary tree loss detection. This leaves a blind spot on fine-scale disturbances where only a few trees are declining in an otherwise intact canopy.
In this talk, we give an overview of the deadtrees.earth initiative and how we leveraged crowdsourced drone data to build globally generalizing models for mapping tree mortality and disturbances from drones, airplanes, and Sentinel-2. This talk will further go into details of our upscaling approach where centimeter-scale drone data is leveraged to calibrate a model that processes multi-year Sentinel-2 time series around the globe.
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Clemens Mosig is a researcher at Leipzig University working at the intersection of remote sensing, computer vision, and vegetation mapping. He has co-created the deadtrees.earth initiative. Clemens is a strong advocate of open data, science, and idea sharing. He holds a Bachelor and Master's degree in Computer Science from Freie University Berlin.