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

Overview

DatasetISLSCP II Gauge-Based Analyses of Daily Precipitation over Global Land Areas
DOIhttps://doi.org/10.3334/ORNLDAAC/1001
Release date2011-03-07
Project
Time period1986-01-01 to 1995-12-31

Usage Metrics

CountEarliest DateLatest DateData Usage
Downloads18032011-06-092017-12-152153749 total files downloaded

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.

Dataset documentation

Citation

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Crosscite Citation Formatter
Xie, P.-P., J.E. Janowiak, F.G. Hall, G.J. Collatz, B.W. Meeson, S.O. Los, E.Brown De Colstoun, and D.R. Landis. 2011. ISLSCP II Gauge-Based Analyses of Daily Precipitation over Global Land Areas. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1001

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Data Files

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

Companion Files

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Dataset has 2 companion files.

  • 0_gts_precip_daily_readme.txt
  • 1_gts_precip_daily_doc.pdf

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