Verification of an NDVI-evapotranspiration model using a single layer model

Hiroaki Watanabe, So Kazama, Masaki Sawamoto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

To establish a method for estimating evapotranspiration from NDVI data, cloud free images were compiled by a new algorithm using a temporally varying function and land use data. The NDVI data set was used for the estimation of evapotranspiration, and the estimated flux was compared with the estimation of a single layer model. The comparison shows that the single layer model produces less evapotranspiration than the NDVI method based on water balance. The distribution patterns of evapotranspiration estimated by the two methods were quite similar, indicating that the NDVI method is effective in estimating evapotranspiration.

Original languageEnglish
Pages (from-to)392-400
Number of pages9
JournalIAHS-AISH Publication
Issue number289
Publication statusPublished - 2004 Nov 8

Keywords

  • Cloud-free image
  • Evapotranspiration
  • GIS
  • NDVI
  • Remote sensing

ASJC Scopus subject areas

  • Water Science and Technology
  • Oceanography

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