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ISLSCP II Gauge-Based Analyses of Daily Precipitation over Global Land Areas

Data Set Overview

Data setISLSCP II Gauge-Based Analyses of Daily Precipitation over Global Land Areas
DOI10.3334/ORNLDAAC/1001
Release date2011-03-07
ProjectISLSCP Initiative II (ISLSCP II)
Time Period1986-01-01 to 1995-12-31

Description

The objective of this work was to construct a long-term data set of daily precipitation on half degree and one degree latitude/longitude grids over the global land areas. The analyses are defined by interpolating station observations from GTS (Global Telecommunications System) gauges using the algorithm of Shepard (1968). The algorithm of Shepard (1968) has been widely used to interpolate gauge observations of monthly, pentad, and daily precipitation (Rudolf 1993, Xie et al. 1996). This algorithm is used to interpolate the irregularly distributed station observations onto grid points. The weighting coefficients are inversely proportional to the gauge-grid point distance and are adjusted by a cosine function taking into account the directional isolation of each gauge relative to all other nearby gauges. There are 6 data files with this data set.

Documentation

Data set reference document

Citation

Xie, P. and J. E. Janowiak. 2011. ISLSCP II Gauge-Based Analyses of Daily Precipitation over Global Land Areas. In Hall, Forrest G., G. Collatz, B. Meeson, S. Los, E. Brown de Colstoun, and D. Landis (eds.). ISLSCP Initiative II Collection. Data set. Available on-line [http://daac.ornl.gov/] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/1001
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Project

ISLSCP Initiative II (ISLSCP II): The International Satellite Land-Surface Climatology Project

Project data set list for ISLSCP Initiative II (ISLSCP II).

Companion Files

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  • 0_gts_precip_daily_readme.txt
  • 1_gts_precip_daily_doc.pdf

Data Files

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Data File (Granule)File SizeDates
gts_precip_daily_1deg.zip 77.4 MB 1986-01-01 - 1995-12-31
gts_dif_files_1d.zip 84.6 MB 1986-01-01 - 1995-12-31
gts_dif-files_hd.zip 265.5 MB 1986-01-01 - 1995-12-31
gts_precip_daily_hdeg.zip 235.6 MB 1986-01-01 - 1995-12-31
gts_numguages_daily_1deg.zip 20.6 MB 1986-01-01 - 1995-12-31
gts_numguages_daily_hdeg.zip 36.5 MB 1986-01-01 - 1995-12-31

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Files related to this data set have been downloaded on 1500 occasions since 2011-06-09, totaling 273102 files.