optical
3 articlesSentinel-2 vs. Landsat 9: A Practical Comparison for Earth Observation
A detailed comparison of Sentinel-2 and Landsat 9 — spectral bands, resolution, revisit, data access, and which sensor suits which application. Covers harmonization approaches for combined use.
2025-12-27 · 6 min read
Sentinel-2: The Complete Guide to Europe's Free Multispectral Satellite
Everything you need to know about Sentinel-2 — its 13 spectral bands, 10-meter resolution, 5-day revisit cycle, data access, and practical applications from vegetation monitoring to urban mapping.
2025-12-16 · 8 min read
Wetland Mapping with Satellite Data: Combining SAR and Optical for Complex Ecosystems
How the combination of SAR and optical satellite data maps wetland extent, type, and seasonal dynamics. Covers the unique challenges of wetland classification and the role of L-band vs C-band SAR.
2025-10-06 · 8 min read