TechnicalGIS

#Heatwave

2 posts

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

Tutorial Python

Land surface temperature from Landsat in Python: mapping London's urban heat island

Calculate land surface temperature from Landsat 8 and 9 Collection 2 Level-2 data in Python: ST_B10 scale and offset, QA_PIXEL cloud masking, LST by land cover and NDVI, an urban-rural transect, hotspots with OpenStreetMap and an honest comparison with air temperature, for London in the July 2022 heatwave.

Intermediate 17 min read