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Repository with functions to aggregate raster data from pixel grid to hru polygon grid. This repository heavily relies on grd2shp_xagg library.

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USGS-R/drb_gridmet_tools

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Active development moved to https://code.usgs.gov/wma/wp/drb_gridmet_tools

drb_gridmet_tools

Repository with functions to aggregate gridmet climate raster data from pixel grid to vector aoi (hru polygon grid, polylines). This repository heavily relies on grd2shp_xagg library, by rmcd-mscb

Selected gridMET variables:

tmmx:

  • Description: Daily Maximum Temperature (2m)\
  • Units: degrees Fahrenheit

tmmn:

  • Description: Daily Minimum Temperature (2m)\
  • Units: degrees Fahrenheit

pr:

  • Description: Daily Accumulated Precipitation\
  • Units: inch

srad:

  • Description: Daily Mean downward shortwave radiation at surface\
  • Units: W m-2

vs:

  • Description: Daily Mean Wind Speed (10m)
  • Units: m/s

rmax:

  • Description: Daily Maximum Relative Humidity (2m)
  • Units: %

rmin:

  • Description: Daily Minimum Relative Humidity (2m)
  • Units: %

sph:

  • Description: Daily mean specific humidity (2m)
  • Units: kg/kg

Running re-gridding for the Delaware River Basin

gridmet_split_script.py processes the gridmet raster dataset values to the scale of the input multi-polygon shapefile.

gridmet_aggregation_PRMS.py processes the output of gridmet_splot_script.py and aggregates the PRMS_segid scale calculating an area weighted average.

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Repository with functions to aggregate raster data from pixel grid to hru polygon grid. This repository heavily relies on grd2shp_xagg library.

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