Monthly precipitation in mm at 1 km resolution based on SM2RAIN-ASCAT 2007-2018, IMERGE, CHELSA Climate and WorldClim

2019-06-26T06:46:55Z (GMT) by Tomislav Hengl

Monthly precipitation in mm at 1 km resolution based on SM2RAIN-ASCAT 2007-2018 (https://doi.org/10.5281/zenodo.2615278). Downscaled to 1 km resolution using gdalwarp (cubic splines) and an average between WorldClim (http://biogeo.ucdavis.edu/data/worldclim/v2.0/), CHELSA Climate (https://www.wsl.ch/lud/chelsa/data/climatologies/prec/) and IMERGE monthly product (ftp://jsimpson.pps.eosdis.nasa.gov/NRTPUB/imerg/gis/ see files e.g. "3B-MO-L.GIS.IMERG.20180601.V05B.tif"). 3x higher weight is given to the SM2RAIN-ASCAT data since it assumed to be more accurate. Processing steps are available here. Antartica is not included.

To access and visualize maps use: https://openlandmap.org

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All files internally compressed using "COMPRESS=DEFLATE" creation option in GDAL. File naming convention:

  • clm = theme: climate,
  • precipitation = variable: precipitation,
  • sm2rain.oct = determination method: SM2RAIN-ASCAT long-term average values for October,
  • m = mean value,
  • 1km = spatial resolution / block support: 1 km,
  • s0..0cm = vertical reference: land surface,
  • 2007..2018 = time reference: from 2007 to 2018,
  • v0.2 = version number: 0.2,