Water Resources Management

, Volume 25, Issue 11, pp 2731–2742 | Cite as

Application of the Sebs Water Balance Model in Estimating Daily Evapotranspiration and Evaporative Fraction from Remote Sensing Data Over the Nile Delta

  • Mohamed Elhag
  • Aris PsilovikosEmail author
  • Ioannis Manakos
  • Kostas Perakis


Estimation of evapotranspiration is always a major component in water resources management. The reliable estimation of daily evapotranspiration supports decision makers to review the current land use practices in terms of water management, while enabling them to propose proper land use changes. Traditional techniques of calculating daily evapotranspiration based on field measurements are valid only for local scales. Earth observation satellite sensors are used in conjunction with Surface Energy Balance (SEB) models to overcome difficulties in obtaining daily evapotranspiration measurements on a regional scale. In this study the SEB System (SEBS) is used to estimate daily evapotranspiration and evaporative fraction over the Nile Delta along with data acquired by the Advance Along Track Scanning Radiometer (AATSR) and the Medium Spectral Resolution Imaging Spectrometer (MERIS), and six in situ meteorological stations. The simulated daily evapotranspiration values are compared against actual ground-truth data taken from 92 points uniformly distributed all over the study area. The derived maps and the following correlation analysis show strong agreement, demonstrating SEBS’ applicability and accuracy in the estimation of daily evapotranspiration over agricultural areas.


Daily evapotranspiration Evaporative fraction Water resources management SEBS model AATSR MERIS Nile Delta 


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Mohamed Elhag
    • 1
    • 2
  • Aris Psilovikos
    • 3
    Email author
  • Ioannis Manakos
    • 1
  • Kostas Perakis
    • 4
  1. 1.Department of Geoinformation in Environmental ManagementMediterranean Agronomic Institute of ChaniaChaniaGreece
  2. 2.Department of Agriculture, Crop Production and Rural Environment, School of Agricultural SciencesUniversity of ThessalyN. Ionia MagnisiasGreece
  3. 3.Department of Agriculture Ichthyology and Aquatic Environment, School of Agricultural SciencesUniversity of ThessalyN. Ionia MagnisiasGreece
  4. 4.Department of Planning and Regional Development, School of EngineeringUniversity of ThessalyVolosGreece

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