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How to calculate PET SPI SPEI and Palmer drought indices in Python? | Jalal | Research Society

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Data download link:
https://www.drought.gov/datamapstoo...

Alternative link: https://github.com/monocongo/climate_...

Documentation for indices calculation:
https://climateindices.readthedocs.i...

How to install Python in Anaconda:
   • How to install Anaconda for Python, P...  

Command line:
#PET monthly
process_climate_indices index pet periodicity monthly netcdf_temp ./nclimgrid_lowres_tavg.nc var_name_temp tavg output_file_base ../results/nclimgrid_lowres calibration_start_year 1951 calibration_end_year 2010

#SPI daily
process_climate_indices index spi periodicity daily netcdf_precip ./cmorph_lowres_daily_conus_prcp.nc var_name_precip prcp output_file_base ../results/cmorph_lowres_daily_conus scales 30 90 calibration_start_year 1998 calibration_end_year 2016

#SPI monthly
process_climate_indices index spi periodicity monthly netcdf_precip ./nclimgrid_lowres_prcp.nc var_name_precip prcp output_file_base ../results/nclimgrid_lowres scales 6 12 calibration_start_year 1951 calibration_end_year 2010

#SPEI monthly
process_climate_indices index spei periodicity monthly netcdf_precip ./nclimgrid_lowres_prcp.nc var_name_precip prcp netcdf_pet ./nclimgrid_lowres_pet.nc var_name_pet pet output_file_base ../results/nclimgrid_lowres scales 9 18 calibration_start_year 1951 calibration_end_year 2010

#Palmers monthly
process_climate_indices index palmers periodicity monthly netcdf_precip ./nclimgrid_lowres_prcp.nc var_name_precip prcp netcdf_pet ./nclimgrid_lowres_pet.nc var_name_pet pet netcdf_awc ./nclimgrid_lowres_soil.nc var_name_awc awc output_file_base ../results/nclimgrid_lowres calibration_start_year 1951 calibration_end_year 2010


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