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Summary
The Global Precipitation Climatology Project (GPCP) global
precipitation data set formally referred as the "GPCP Version 2
Combined Precipitation Dataset" supercedes the Version 1c data set and
is a merged analysis incorporating precipitation estimates from the
DMSP SSM/I microwave instrument, geosynchronous-orbit satellite
infrared data, and rain gauge observations. The dataset also contains
as "Intermediate Product" the individual input fields, a combination
of microwave and infrared satellite estimates, and error estimates for
each field. All the products are monthly averages provided on a 2.5
degree by 2.5 degree grid for the period 1979 to 2001.

Geographic Coverage Spatial coordinates   

N: 90.0

S: -90.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Creator: Huffman, G.J., D.T. Bolvin, and R.F. Adler Dataset Title: GPCP Version 2 Combined Precipitation Data Set Dataset Release Date: August 2001 Dataset Release Place: Greenbelt, MD Dataset Publisher: NASA Goddard Space Flight Center Version: Version 2 Online Resource: ftp://disc1.gsfc.nasa.gov/data/hydrology/precip/gpcp/gpcp_v2_combined/

Temporal Coverage

Start Date: 1979-01-01 Stop Date: 2001-05-31

Location Keywords

GEOGRAPHIC REGION > GLOBAL

Data Resolution

Latitude Resolution: 2.5 degree Longitude Resolution: 2.5 degree Horizontal Resolution Range: 250 km - < 500 km or approximately 2.5 degrees - < 5.0 degrees Temporal Resolution: Monthly Temporal Resolution Range: Monthly - < Annual

Science Keywords

ATMOSPHERE > PRECIPITATION > PRECIPITATION AMOUNT ATMOSPHERE > PRECIPITATION > RAIN > RAINFALL

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

DMSP 5D-2/F8 > Defense Meteorological Satellite Program-F8 GOES > NOAA Geostationary Operational Environmental Satellites GROUND STATIONS

Instrument

INFRARED RADIOMETERS RADIOMETERS RAIN GAUGES SSM/I > Special Sensor Microwave/Imager TOVS > TIROS Operational Vertical Sounder

Project

ESIP > Earth Science Information Partners Program EOSDIS > Earth Observing System Data Information System GPCC > Global Precipitation Climatology Centre GPCP > Global Precipitation Climatology Project

Ancillary Keywords

ADJUSTED GOES PRECIPITATION INDEX AGPI EOSDIS GLOBAL HYDROLOGY GLOBAL PRECIPITATION GOES PRECIPITATION INDEX GPCC GPI OLR-BASED PRECIPITATION INDEX OPI TEMS GTOS G3OS

Originating Center

GSFC DAAC

Data Center

Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA Data Center URL: http://disc.gsfc.nasa.gov/ Dataset ID: G-190: AGPI Monthly Dataset ID: G-191: GPI Monthly Dataset ID: G-192: Multi-satellite Monthly Dataset ID: G-193: Gauge Monthly Dataset ID: G-194: Satellite-Gauge Monthly Dataset ID: G-195: SSM/I Emission Monthly Dataset ID: G-196: SSM/I Scattering Monthly Dataset ID: G-197: SSM/I Composite Monthly Data Center Personnel Name: GES DISC HELP DESK SUPPORT GROUP Phone: 301-614-5224 Fax: 301-614-5268 Email: help-disc at listserv.gsfc.nasa.gov Contact Address: Goddard Earth Sciences Data and Information Services Center Code 610.2 NASA Goddard Space Flight Center City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA

Distribution

Distribution Media: Online (FTP) Distribution Size: 9 MB per year Distribution Format: Binary with ASCII header Fees: None

Personnel

ROBERT ADLER Role: INVESTIGATOR Phone: 301-614-6290 Fax: 301-614-5492 Email: Robert.F.Adler at nasa.gov Contact Address: Mesoscale Atmospheric Processes Branch Laboratory for Atmospheres NASA/Goddard Space Flight Center Code 613 USA City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA DAVID T. BOLVIN Role: INVESTIGATOR Phone: 301-614-6323 Fax: 301-614-5492 Email: david.t.bolvin at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 613.1 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA GEORGE HUFFMAN Role: INVESTIGATOR Phone: 301-614-6308 Fax: 301-614-5492 Email: George.J.Huffman at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 613.1 City: Greenbelt Province or State: Maryland Postal Code: 20771 Country: USA

Related URL

Link: GET DATA Description: Access to the Version 2 combined precipitation data sets

Publications/References

Adler, R.F., G.J. Huffman, and P.R. Keehn 1994: Global rain estimates
from microwave-adjusted geosynchronous IR data. Remote Sens. Rev.,
11, 125-152.

Arkin, P.A., and B. N. Meisner, 1987: The relationship between
large-scale convective rainfall and cold cloud over the Western
Hemisphere during 1982-1984. Mon. Wea. Rev., 115, 51-74.

... Grody, N.C., 1991: Classification of snow cover and precipitation
using the Special Sensor Microwave/Imager (SSM/I). J. Geophys. Res.,
96, 7423-7435.

Hollinger, J.P., J.L. Pierce, and G.A. Poe, 1990: SSM/I instrument
evaluation. IEEE Trans. Geosci. Remote Sens., 28, 781-790.

Huffman, G.J., 1997a: Estimates of root-mean-square random error
contained in finite sets of estimated precipitation. J. Appl.
Meteor., 36, 1191-1201.

Huffman, G.J., ed., 1997b: The Global Precipitation Climatology
Project monthly mean precipitation data set. WMO/TD No. 808, WMO,
Geneva, Switzerland. 37pp.

Huffman, G.J., R.F. Adler, B. Rudolf, U. Schneider, and P.R. Keehn,
1995: Global precipitation estimates based on a technique for
combining satellite-based estimates, rain gauge analysis, and NWP
model precipitation information. J. Climate, 8, 1284-1295.

Huffman, G.J., R.F. Adler, P.A. Arkin, A. Chang, R. Ferraro,
A. Gruber, J. Janowiak, R.J. Joyce, A. McNab, B. Rudolf, U. Schneider,
and P. Xie, 1997: The Global Precipitation Climatology Project (GPCP)
Combined Precipitation Data Set. Bull. Amer. Meteor. Soc., 78, 5-20.

Janowiak, J.E., and P.A. Arkin, 1991: Rainfall variations in the
tropics during 1986-1989. J. Geophys. Res., 96, 3359-3373.

Joyce, R.J., J.E. Janowiak, and G.J. Huffman, 2001: Latitudinal and
Seasonal Dependent Zenith Angle Corrections for Geostationary
Satellite IR Brightness Temperatures. J. Appl. Meteor., accepted.

Krajewski, W.F., G.J. Ciach, J.R. McCollum, and C. Bacotiu, 2000:
Initial validation of the Global Precipitation Climatology Project
over the United States. J. Appl. Meteor., 39, 1071-1087.

Legates, D.R, 1987: A climatology of global precipitation. Pub. in
Climatol., 40, U. of Delaware.

McNab, A., 1995: Surface Reference Data Center Product Guide. National
Climatic Data Center, Asheville,NC, 10 pp.

Morrissey, M.L., and J. S. Green, 1991: The Pacific Atoll Raingauge
Data Set. Planetary Geosci. Div. Contrib. 648, Univ. of Hawaii,
Honolulu, HI, 45 pp.

Rudolf, B., 1993: Management and analysis of precipitation on a
routine basis. Proc. Internat. WMO/IAHS/ETH SYMP. on Precip. and
Evap., Slovak Hydromet. Inst., Bratislava, Sept. 1993, 1, 69-76.

Susskind, J., and J. Pfaendtner, 1989: Impact of interactive physical
retrievals on NWP. Report on the Joint ECMWF/EUMETSAT Workshop on the
Use of Satellite Data iomn Operational Weather Prediction: 1989-1993,
Vol. 1, T. Hollingsworth, Ed., ECMWF, Shinfield Park, Reading RG2 9AV,
U.K., 245-270.

Susskind, J., P. Piraino, L. Rokke, L. Iredell, and A. Mehta, 1997:
Characteristics of the TOVS Pathfinder Path A Dataset. Bull.
Amer. Meteor. Soc., 78, 1449-1472.

Weng, F., and N.C. Grody, 1994: Retrieval of cloud liquid water using
the Special Sensor Microwave Imager (SSM/I). J. Geophys. Res., 99,
25535-25551.

Wilheit, T., A. Chang and L. Chiu, 1991: Retrieval of monthly rainfall
indices from microwave radiometric measurements using probability
distribution function. J. Atmos. Ocean. Tech., 8, 118-136.

Willmott, C.J., C.M. Rowe, and W.D. Philpot, 1985: Small-scale climate
maps: A sensitivity analysis of some common assumptions associated
with grid-point interpolation and contouring. Amer. Cartographer, 12,
5-16.

WCRP, 1986: Report of the workshop on global large scale precipitation
data sets for the World Climate Research Programme. WCP-111, WMO/TD -
No. 94, WMO, Geneva, 45 pp.

Xie, P., J.E. Janowiak, and P.A. Arkin, 2000: An improved global
precipitation index based on satellite-observed outgoing longwave
radiation. (to be submitted to J. Climate)

Xie, P., and P.A. Arkin, 1998: Global monthly precipitation estimates
from satellite-observed outgoing longwave radiation. J. Climate,
11,137-164.

Xie, P., and P.A. Arkin, 1997: Global precipitation: A 17-year monthly
analysis based on gauge observations, satellite estimates, and
numerical model outputs. BAMS, vol.78, 2539-2558.

Xie, P., and P.A. Arkin, 1996: Analysis of global monthly
precipitation using gauge observations, satellite estimates, and
numerical model predictions. J. Climate, 9, 840-858.

Creation and Review Dates

Last DIF Revision Date: 2006-01-17

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