MODIS
4 articlesMODIS Satellite Data: The Daily, Decades-Long View of Earth
MODIS provides daily global coverage and a 20+ year archive at 250m-1km resolution. Learn what MODIS measures, its key products (NDVI, land surface temperature, active fire), how it trades resolution for frequency, and when coarse-resolution daily data beats high-resolution imagery.
2026-06-20 · 4 min read
NASA FIRMS Explained: VIIRS vs MODIS, FRP & Confidence
How NASA FIRMS detects active fires: VIIRS 375 m vs MODIS 1 km, fire radiative power (FRP), confidence levels and what each detection record contains.
2026-02-10 · 7 min read
Land Surface Temperature: Measuring Earth's Heat from Space
How thermal infrared satellites measure land surface temperature, the difference between LST and air temperature, and applications from urban heat island studies to volcanic monitoring and wildfire detection.
2026-01-24 · 7 min read
Ocean Color Monitoring: What Satellite Sensors Reveal About Marine Ecosystems
How dedicated ocean color satellites measure chlorophyll concentration, primary productivity, and water quality across the world's oceans. Covers MODIS, OLCI, and the science behind turning ocean color into ecosystem data.
2025-08-15 · 8 min read