Predicting daily evapotranspiration (ET<inf>d</inf>) from short-term values

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6 Citations (Scopus)

Abstract

Application of a remote sensing technique for estimating regional evapotranspiration requires extrapolation of instantaneous values to periods on the order of 1 day or more to be of practical use. A method for developing an extrapolation coefficient based on earth-sun geometry is presented. The validity of the method and applicability of the concept is evaluated using year-long regional values of measured Penman evapotranspiration. The results demonstrate that the use of an extrapolation coefficient for long-term regional evapotranspiration estimation has a potential for future use.

Original languageEnglish (US)
Pages (from-to)387-398
Number of pages12
JournalJournal of Irrigation and Drainage Engineering
Volume116
Issue number3
DOIs
StatePublished - 1990

Fingerprint

Evapotranspiration
Extrapolation
evapotranspiration
Solar System
Sun
remote sensing
Remote sensing
Earth (planet)
methodology
geometry
Geometry
method

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Civil and Structural Engineering
  • Water Science and Technology

Cite this

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abstract = "Application of a remote sensing technique for estimating regional evapotranspiration requires extrapolation of instantaneous values to periods on the order of 1 day or more to be of practical use. A method for developing an extrapolation coefficient based on earth-sun geometry is presented. The validity of the method and applicability of the concept is evaluated using year-long regional values of measured Penman evapotranspiration. The results demonstrate that the use of an extrapolation coefficient for long-term regional evapotranspiration estimation has a potential for future use.",
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doi = "10.1061/(ASCE)0733-9437(1990)116:3(387)",
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AU - Yitayew, Muluneh

AU - Brown, Paul W

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AB - Application of a remote sensing technique for estimating regional evapotranspiration requires extrapolation of instantaneous values to periods on the order of 1 day or more to be of practical use. A method for developing an extrapolation coefficient based on earth-sun geometry is presented. The validity of the method and applicability of the concept is evaluated using year-long regional values of measured Penman evapotranspiration. The results demonstrate that the use of an extrapolation coefficient for long-term regional evapotranspiration estimation has a potential for future use.

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