Standardized Precipitation Index (SPI) Analyses of Multiple Global Precipitation Datasets at LDEO/IRI Climate Data Library
Entry ID: LDEO_SPI

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Summary
Abstract: The Standardized Precipitation Index (SPI; McKee et al. 1993) is the number of
standard deviations that observed cumulative precipitation deviates from the
climatological average. The index is based entirely on monthly precipitation
accumulations and its values can be compared across different climatic and
geographic regions. These characteristics of the SPI have contributed to its
popularity for ... View entire text
Related URL
Description: Access to SPI data
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: IRI
Dataset Title: IRI Analyses SPI: Standardized Precipitation Index analyses of multiple global precipitation datasets.
Dataset Release Place: Palisades, NY
Dataset Publisher: LDEO/IRI
Online Resource: http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.Analyses/.SPI/SOURCES/...
Parent DIF
This data set description is a member of a collection. The collection is described in
LDEO_INDICES

Temporal Coverage
Start Date: 1901-01-01
Data Resolution
Temporal Resolution: 1-month, 12-month, 3-month,6-month, 9-month
Temporal Resolution Range: Monthly Climatology
Data Set Progress
COMPLETE
Originating Center
Data Center
Climate Data Library, International Research Institute for Climate Prediction, Lamont-Doherty Earth Observatory, Columbia University Supplemental Info
Data Center URL: http://ingrid.ldeo.columbia.edu/

Data Center Personnel
Name: BENNO BLUMENTHAL
Phone: (845) 680-4450
Fax: (845) 680-4864
Email: benno at iri.ldeo.columbia.edu
Contact Address:
Data Library Manager
International Research Institute for Climate Prediction
Lamont-Doherty Earth Observatory
Columbia University
City: Palisades
Province or State: NY
Postal Code: 10964-8000
Country: USA
Distribution
Distribution Media: online www
Fees: none
Personnel
Role: TECHNICAL CONTACT
Phone: (845) 680-4450
Fax: (845) 680-4864
Email: benno at iri.ldeo.columbia.edu
Contact Address:
Data Library Manager
International Research Institute for Climate Prediction
Lamont-Doherty Earth Observatory
Columbia University
City: Palisades
Province or State: NY
Postal Code: 10964-8000
Country: USA
Publications/References
Guttman, N. B., 1999: Accepting the Standandardized Precipitation Index: a
calculation algorithm. J. Amer. Water Resour. Assoc., 35(2), 311-322.

McKee, T.B., N. J. Doesken, and J. Kliest, 1993: The relationship of drought
frequency and duration to time scales. In Proceedings of the 8th Conference of
Applied Climatology, 17-22 January, Anaheim, CA. American Meterological
Society, Boston, MA. 179-184.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2005-03-21
Last DIF Revision Date: 2009-06-11
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