Blog & Case Studies

Why We Chose pygeofetch Over Google Earth Engine for Ghana EPA
Case Study

Why We Chose pygeofetch Over Google Earth Engine for Ghana EPA

When Ghana EPA needed a reproducible, auditable flood monitoring system that staff could run without a Google account, pygeofetch was …

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True SLC InSAR vs GRD Amplitude Proxy: An Honest Comparison
Case Study

True SLC InSAR vs GRD Amplitude Proxy: An Honest Comparison

We run both approaches on the same Sentinel-1 data over the 2023 Kahramanmaraş earthquake and report the actual numbers. The …

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The COG vs SAFE Problem: Why Copernicus OData Returns 422 for Half Your Downloads
Case Study

The COG vs SAFE Problem: Why Copernicus OData Returns 422 for Half Your Downloads

If your Sentinel-1 downloads are failing with HTTP 422, you are probably trying to download Cloud Optimised GeoTIFF products through …

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How We Mapped 847 Hectares of Flood Inundation in Accra's Odaw Basin Using Sentinel-1
Case Study

How We Mapped 847 Hectares of Flood Inundation in Accra's Odaw Basin Using Sentinel-1

A step-by-step account of the Accra flood intelligence pipeline: 183 SAR acquisitions, 12 rainy seasons, and the three silent bugs …

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