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Derivation of actual evapotranspiration in the Senegalese Sahel, using NOAA-AVHRR data during the 1987 growing season


Remote Sensing of Environment 46(2): 164-172
Derivation of actual evapotranspiration in the Senegalese Sahel, using NOAA-AVHRR data during the 1987 growing season
The actual evapotranspiration from one test site in the northern part of Senegal was calculated using a combination of NOAA-AVHRR data and meteorological data. AVHRR data were calibrated and corrected for the influence of the atmosphere. The relationship ET - RN = ab(Ts - Ta) was established on the basis of in situ measurements of fluxes during a field campaign September-October 1988. The flux measurements are presented, and the influence of surface roughness on the relationship is analyzed. A simple method for time integration of actual evapotranspiration between days with satellite data is presented.

Accession: 002590608

DOI: 10.1016/0034-4257(93)90092-c

Download PDF Full Text: Derivation of actual evapotranspiration in the Senegalese Sahel, using NOAA-AVHRR data during the 1987 growing season



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