Coefficient of Variation for Climate Moisture Index, 1950-2000

Jul 1, 2010
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Description:
This dataset depicts the Coefficient of Variation for Climate Moisture Index (CMI CV) indicator for the globe on a 0.5 X 0.5 degree global grid. The CMI CV illustrates time varying fluctuations bit intra- and inter-annual in the relationship between plant water demand and available precipitation. The CMI CV indicator is computed as:

CMI CV = StdDev(CMI) / Mean(CMI)

Where StdDev(CMI) = standard deviation of the CMI over the 51yr time series (1950-2000) per grid cell; Mean(CMI) = mean annual CMI over the 51 yr time series per grid cell.

The data is in ESRI GRID raster format.
Data Provided By:
Vorosmarty, C. J., Water Systems Analysis Group, University of New Hampshire, NH
Content date:
not specified
Citation:
Title: Coefficient of Variation for Climate Moisture Index, 1950-2000
Credits: Vorosmarty, C. J., Water Systems Analysis Group, University of New Hampshire, NH
Publication Date: 2005
Other Citation Info: Vorosmarty, C. J., E. M. Douglas, P.A. Green and C. Revenga (2005), Geospatial indicators of emerging water stress: An application to Africa, Ambio, 34(3), 230 - 236. Prof. Geographer 44: 84-87.
Contact Organization:
not specified
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not specified
Use Constraints:
Reference Vorosmarty et. al., 2005
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Dataset Type:
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Tags:
evapotranspiration, fluctuations in water availability, water availability, time series, climate moisture
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