Add MODIS Land Surface Temperature tutorial with rasterio and rasterstats

[Qandeel-01]

Summary

This PR adds a new tutorial notebook demonstrating a complete MODIS LST workflow using earthaccess.

File: \docs/user/tutorials/modis-land-surface-temperature.ipynb\

What the tutorial covers

• Authenticate with NASA Earthdata using \earthaccess.login()\
• Search and download MODIS MOD11A2 v061 (8-day LST, 1 km) granules by bounding box and date range
• Mosaic multi-tile HDF data, apply scale factor (×0.02) and convert Kelvin → Celsius
• Reproject to WGS84 with GDAL
• Clip raster to a regional boundary with
  asterio\
• Compute district-level zonal statistics with
  asterstats\
• Visualise results with \geopandas\ and \matplotlib\

Why this is useful

There is currently no MODIS-specific tutorial in the earthaccess docs. This fills that gap with a real end-to-end workflow that goes beyond search/download into actual raster processing — a common next step for users who find earthaccess through MODIS use cases (see also issue #1057).

The notebook is based on a working analysis of Pakistan Land Surface Temperature for April 2025 and has been tested in Google Colab.

Related issues

• Addresses the documentation gap noted in Slow download speeds with EarthAccess API, especially for MODIS NDVI data #1057 (users switching to earthaccess for MODIS LST/NDVI workflows)

Checklist

• PR title is descriptive
• New tutorial follows existing naming convention (\emit-earthaccess.ipynb, etc.)
• No new dependencies beyond what earthaccess already recommends
• CHANGELOG.md updated (happy to add if maintainers point me to the right section)

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📚 Documentation preview 📚: https://earthaccess--1398.org.readthedocs.build/en/1398/

[github-actions]

👈 Launch a binder notebook on this branch for commit 22eeba4

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