Xie-Arkin: CPC Merged Analysis of Precipitation (CMAP)

SOURCE: Arkin : "rain1" includes numerical model outputs 2.5 degree grid

UPDATED THROUGH: Dec 2002

FORMAT: NetCDF

GRID:

  • Global - T42 Gaussian (128 x 64)
  • Global - T63 Gaussian (192 x 96)
  • 2.5 x 2.5 degree grid
  • 1 x 1 degree grid
  • NOTE: additional resolutions can be made available upon request

LEVELS: Surface

TIMES: One value per month.

CURRENT HOLDINGS: January 1979 - December 2002

FIELDS:

Description Name Units Levels
Precipitation PRC mm day-1 surface

MSS Directory: /CA/CMAP/

Filenames:

  • XieArkin-T42-1979-2002.nc
  • XieArkin-T63-1979-2002.nc
  • XieArkin-1979-2002.nc (original 2.5 degree grid)
  • XieArkin-1x1-1979-2002.nc

REFERENCES:

  • Xie and Arkin, 1997: Global Precipitation: A 17-year monthly analysis based on gauge observations, satellite estimates, and numerical model outputs, Bulletin of the American Meteorological Society, 78, 2539-2558.
  • Xie and Arkin, 1996: Analyses of global monthly precipitation using gauge observations, satellite estimates, and numerical model predictions, Journal of Climate, 9, 840-858.

How to get this data.

How to read these data using a Grads .ddf file