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NOAA AVHRR and its uses for rainfall and evapotranspiration monitoring

Authors :
Kerr, Yann H
Imbernon, J
Dedieu, G
Hautecoeur, O
Lagouarde, J. P
Source :
International Journal of Remote Sensing. 10
Publication Year :
1989
Publisher :
United States: NASA Center for Aerospace Information (CASI), 1989.

Abstract

NOAA-7 Advanced Very High Resolution Radiometer (AVHRR) Global Vegetation Indices (GVI) were used during the 1986 rainy season (June-September) over Senegal to monitor rainfall. The satellite data were used in conjunction with ground-based measurements so as to derive empirical relationships between rainfall and GVI. The regression obtained was then used to map the total rainfall corresponding to the growing season, yielding good results. Normalized Difference Vegetation Indices (NDVI) derived from High Resolution Picture Transmission (HRPT) data were also compared with actual evapotranspiration (ET) data and proved to be closely correlated with it with a time lapse of 20 days.

Subjects

Subjects :
Meteorology And Climatology

Details

Language :
English
ISSN :
01431161
Volume :
10
Database :
NASA Technical Reports
Journal :
International Journal of Remote Sensing
Publication Type :
Report
Accession number :
edsnas.19890052780
Document Type :
Report