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

Inge Sandholt, H.S. Andersen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

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(T(s) - T(a)) 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.
Original languageEnglish
JournalRemote Sensing of Environment
Volume46
Issue number2
Pages (from-to)164-172
ISSN0034-4257
DOIs
Publication statusPublished - 1993
Externally publishedYes

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