NDVI vs. EVI2 vs. NIRv: Which Index Should You Trust (and When)?
2025-08-18
Plain-English guidance on what each vegetation index measures, how they behave under soil, haze, and saturation, and practical defaults for real-world monitoring.
Tag: Landsat
Articles about Landsat across Sentinel-2, SAR+optical fusion, indices, and EO workflows.
Sentinel-2 Bands at Level-1 and Level-2: Wavelengths, Uses, and Comparisons
2025-08-07
A practical guide to Sentinel-2 MSI bands at Level-1C and Level-2A, what each band is good for, and how they compare with Landsat, PlanetScope, and EarthDaily class sensors.
Harmonization vs Data Fusion: Making Multi-Sensor Imagery Agree and Work Together
2025-08-05
Clear definitions, methods, and tradeoffs for multi-sensor harmonization, which makes sources comparable, and data fusion, which combines them into one estimate.