TerraClimate

Datasets:

  • TerraClimate

Description: Climate and climate water balance dataset for terrestrial surfaces based on WorldClim and CRU Ts4.0 and JRA55

Organization: University of California Merced (UCM)

Website: TerraClimate Website

Google Earth Engine Catalog: TerraClimate Info

Spatial resolution: 4-km grid (1/24-deg)

Time Span: 1958 to Present (monthly data, updated every year)

Variables:

  • Actual evapotranspiration
  • Climate water deficit
  • Palmer drought severity index (PDSI)
  • Reference evapotranspiration(ASCE grass/alfalfa)
  • Precipitation accumulation
  • Runoff
  • Soil moisture
  • Downward solar radiation (W/m^2)
    • Represents the mean of the downward solar radiation over all the days of the month, where it's reflecting the average over all hours of the day.
    • To go from Watts/m^2 to MJ/(m^2day) you need to multiply the number of sec in a day: watts/meter² x 86400 s/day x 1 MJ/10^6 J = MJ/(meter²*day).
  • Snow water equivalent (for the last day of the month)
  • Minimum/Maximum Temperature
  • Vapor Pressure
  • Vapor Pressure Deficit
  • Wind Speed (10-m)

Terms of Use:

  • The data set is in the public domain as licensed under the Creative Commons Public Domain (CC0) license.

References:

  • Abatzoglou, J.T., S.Z. Dobrowski, S.A. Parks, K.C. Hegewisch, 2018, Terraclimate, a high-resolution global dataset of monthly climate and climatic water balance from 1958-2015, Scientific Data 5:170191, doi: 10.1038/sdata.2017.191. (Abstract)

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