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Spatio-temporal Characteristics of Rainfall in Africa, 0.25 degrees, from 1998-2012

Data Set Overview

Data setSpatio-temporal Characteristics of Rainfall in Africa, 0.25 degrees, from 1998-2012
DOI10.3334/ORNLDAAC/1263
Release date2015-01-27
ProjectClimate Collections
Time Period1998-01-01 to 2012-12-31

Description

This data set describes rainfall distribution statistics over the African continent, including Madagascar. The rainfall estimates are based on data from the NASA Tropical Rainfall Measuring Mission (TRMM) measured between 1998 and 2012. Rainfall patterns were quantified using a gamma-based function and two Markov chain parameters with the aim to summarize the rainfall pattern to a small number of parameters and processes. These summary statistics are suitable for temporal downscaling. These data provide gridded (0.25 x 0.25-degree) estimates of 14-year mean monthly rainfall total amount (mm), frequency (count), intensity (mm/hr), and duration (hrs) of rainfall, as well as Markov chain and gamma-distribution parameters for use in temporal downscaling. The data are presented as a series of 12 netCDF (*.nc) files.

Documentation

Data set reference document

Citation

Kaptue, A.T., N.P. Hanan, L. Prihodko, and J.A. Ramirez. 2015. Spatio-temporal Characteristics of Rainfall in Africa, 0.25 degrees, from 1998-2012. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1263
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Project

Climate Collections: The ORNL DAAC compiles, archives, and distributes data on temperature, precipitation, humidity, radiation, wind velocity, and cloud cover. These data are either station or gridded data.

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Companion Files

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  • read_rainfall_stat.R
  • African_Rainfall_Patterns.pdf

Data Files

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Data File (Granule)File SizeDates
inte_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
amnt_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
hesz_shp_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
hesz_sca_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
desz_w_d_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
hesz_w_w_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
desz_w_w_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
dura_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
desz_sca_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
hesz_w_d_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
freq_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31
desz_shp_clim_r1mm.nc 4.6 MB 1998-01-01 - 2012-12-31

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Files related to this data set have been downloaded on 141 occasions since 2014-12-19, totaling 1443 files.