#UK

2 posts

Tutorial Python

SAR speckle filtering in Python: Lee, refined Lee, Frost and Gamma-MAP on Sentinel-1

Write the classic SAR speckle filters (boxcar, Lee, refined Lee, enhanced Lee, Frost and Gamma-MAP) in NumPy and SciPy, run them on Sentinel-1 over Rutland Water, and compare them by equivalent number of looks, edge preservation and speed.

Intermediate 15 min read 21 October 2026

Tutorial Python

ERA5 in Python with xarray: mapping the July 2022 UK heatwave

Read ERA5 climate reanalysis in Python with xarray from free, login-free cloud Zarr stores, clip it to the UK, compute area-weighted means and anomalies against 1991–2020, export a Cloud Optimised GeoTIFF and check it against Met Office stations.

Intermediate 13 min read 21 October 2026