Combining Sentinel-2 NDVI with Sentinel-1 SAR indices like RVI and RFDI provides comprehensive forest health monitoring that works through clouds. Learn how optical and radar time series complement each other to detect deforestation, degradation, and stress before it becomes visible to the naked eye.
2026-04-02 · 8 min read
How satellite data maps wildfire burn severity using the Normalized Burn Ratio (NBR), differenced NBR (dNBR), and other spectral approaches. Covers severity classification, timing considerations, and applications in post-fire management.
2025-10-21 · 9 min read
How satellite sensors estimate above-ground biomass in forests using SAR backscatter, LiDAR canopy height, and optical vegetation indices. Covers methods, global biomass maps, and the role of biomass in carbon accounting.
2025-10-18 · 8 min read
How satellite systems like Landsat, Sentinel-1/2, and MODIS detect and monitor deforestation in near-real-time. Covers optical and SAR approaches, the Global Forest Watch system, and challenges in tropical forests.
2025-07-28 · 7 min read