Complementary-relationship-based evapotranspiration mapping (cremap) technique for Hungary

J. Szilagyi, Ákos Kovács

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Monthly areal evapotranspiration (ET) rates for 2000-2008 are mapped for Hungary at a spatial scale of about 1-km with the help of MODIS daytime land surface temperature as well as sunshine duration, air temperature and humidity data. Mapping is achieved by a linear transformation of the MODIS daytime land surface temperature values employing the complementary relationship of evaporation. Validation of the ET rates has been performed with the help of eddy-covariance measurements. The calibration-free CREMAP method is very simple, easy to implement, requires minimal data and works accurately when conditions for the complementary relationship are met. The resulting maps testify that the spatial structure of ET is much more intricate than what has been captured in previous generalized ET maps.

Original languageEnglish
Pages (from-to)95-100
Number of pages6
JournalPeriodica Polytechnica: Civil Engineering
Volume54
Issue number2
DOIs
Publication statusPublished - 2010

Fingerprint

Evapotranspiration
evapotranspiration
MODIS
land surface
surface temperature
Linear transformations
eddy covariance
Temperature
Atmospheric humidity
humidity
Evaporation
air temperature
evaporation
Calibration
calibration
Air
rate

Keywords

  • Complementary
  • Evaporation
  • Evapotranspiration
  • MODIS data
  • Relationship

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

Cite this

Complementary-relationship-based evapotranspiration mapping (cremap) technique for Hungary. / Szilagyi, J.; Kovács, Ákos.

In: Periodica Polytechnica: Civil Engineering, Vol. 54, No. 2, 2010, p. 95-100.

Research output: Contribution to journalArticle

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