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ndvi-monitoring

Scripts to produce timeseries of NDVI using images from Planet Labs' PlanetScope constellation. These are in a early stage after quick development, mea culpa for the hacky code!

Heavily indebted to Planet tutorials for the Clipping API and NDVI calculation.

TODO

  • Commenting, cleanup, and refactoring to remove GDAL binary calls
  • Update filters to download only summer/fall months
    • Alternatively, use color threhold to discard image with high % of snow cover
  • Extend to pre-2014 with RapidEye data.
  • Add QA/QC for obviously defective imagery (apply size, color thresholds)
  • Extract timeseries from survey areas, neighborhood averages, per-pixel
  • Deploy on EC2
  • Detect changepoints and model seasonal trends in NDVI timeseries