NDVI relationship to monthly evaporation

Jozsef Szilagyi; D. C. Rundquist; D. C. Gosselin; M. B. Parlange

doi:10.1029/98GL01176

NDVI relationship to monthly evaporation

Jozsef Szilagyi, D. C. Rundquist, D. C. Gosselin, M. B. Parlange

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43 Citations (Scopus)

Abstract

Normalized difference vegetation indices (NDVI), calculated from Landsat-MSS images, were correlated with monthly total precipitation and estimates of monthly evaporation in a prairie environment. The highest value of the correlation coefficient (r=.80) was obtained between the monthly mean NDVI and estimated evaporation of the preceding month. The de-seasoned NDVI and evaporation values retained a correlation coefficient of.53 corresponding to half of the originally explained variance (r=.64) between NDVI and evaporation suggesting that NDVI indices may be useful for estimating regional-scale evaporation in a water-limited environment.

Original language	English
Pages (from-to)	1753-1756
Number of pages	4
Journal	Geophysical Research Letters
Volume	25
Issue number	10
DOIs	https://doi.org/10.1029/98GL01176
Publication status	Published - 15 May 1998
Externally published	Yes

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AU - Szilagyi, Jozsef

AU - Rundquist, D. C.

AU - Gosselin, D. C.

AU - Parlange, M. B.

PY - 1998/5/15

Y1 - 1998/5/15

N2 - Normalized difference vegetation indices (NDVI), calculated from Landsat-MSS images, were correlated with monthly total precipitation and estimates of monthly evaporation in a prairie environment. The highest value of the correlation coefficient (r=.80) was obtained between the monthly mean NDVI and estimated evaporation of the preceding month. The de-seasoned NDVI and evaporation values retained a correlation coefficient of.53 corresponding to half of the originally explained variance (r=.64) between NDVI and evaporation suggesting that NDVI indices may be useful for estimating regional-scale evaporation in a water-limited environment.

AB - Normalized difference vegetation indices (NDVI), calculated from Landsat-MSS images, were correlated with monthly total precipitation and estimates of monthly evaporation in a prairie environment. The highest value of the correlation coefficient (r=.80) was obtained between the monthly mean NDVI and estimated evaporation of the preceding month. The de-seasoned NDVI and evaporation values retained a correlation coefficient of.53 corresponding to half of the originally explained variance (r=.64) between NDVI and evaporation suggesting that NDVI indices may be useful for estimating regional-scale evaporation in a water-limited environment.

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JO - Geophysical Research Letters

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NDVI relationship to monthly evaporation

Abstract

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