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Level-1 (TOA) vs. Level-2 (BOA): Picking the Right Input for Analytics

Level-1 (TOA) vs. Level-2 (BOA): Picking the Right Input for Analytics

2025-08-17

What top-of-atmosphere and bottom-of-atmosphere really mean, why L2A is computed from L1C, and when ML or analytics should use L1 vs L2.

Sentinel-2NRT
Winter and High-Latitude Monitoring: Snow, Low Sun, and Aerosols

Winter and High-Latitude Monitoring: Snow, Low Sun, and Aerosols

2025-08-15

Why optical imagery struggles in northern winters, how Sentinel-1 SAR helps, and the processing choices that make or break time-series.

Sentinel-2NRT
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All ClearSKY data is heavily modified! The website contains original Copernicus Sentinel data and Landsat USGS data. Our services utilize modified Copernicus data (CDSE) as well as modified Landsat 5/7/8/9 data (USGS/NASA), along with modified CBERS-4, CBERS-4A, and Amazônia-1 data (INPE and CNSA).

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