A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method

The knowledge of actual evapotranspiration at farm level is a prerequisite for irrigation planning, farm management, to increase production and reduce water consumption. To accomplish this, comprehensive and accurate assessment methods should be applied. In order to evaluate accurately evapotranspir...

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Main Authors: Soghra Tofigh, Dariush Rahimi, Reza Zakerinejad
Format: Article
Language:English
Published: Karolinum Press 2020-09-01
Series:Acta Universitatis Carolinae Geographica
Subjects:
Online Access:http://www.aucgeographica.cz/index.php/aucg/article/view/189
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author Soghra Tofigh
Dariush Rahimi
Reza Zakerinejad
author_facet Soghra Tofigh
Dariush Rahimi
Reza Zakerinejad
author_sort Soghra Tofigh
collection DOAJ
description The knowledge of actual evapotranspiration at farm level is a prerequisite for irrigation planning, farm management, to increase production and reduce water consumption. To accomplish this, comprehensive and accurate assessment methods should be applied. In order to evaluate accurately evapotranspiration processes we compared lysimeter evapotranspiration data with MODIS (Aqua and Terra satellites) and LANDSAT (SEBAL algorithm) satellite images as well as with the FAO Penman-Montith method. The findings indicate the low error rate, high correlation (1) and appropriateness of SEBAL in estimating actual evapotranspiration. The error values MAD, MSE and RMSE between lysimeter and the SEBAL algorithm were 0.59, 0.36 and 0.60 respectively. The second best performance was established for the FAO Penman-Montith method. The obtained error values MAD, MSE and RMSE between the lysimeter and FAO-Penman-Montith method are 0.91, 1.29 and 1.13, respectively.
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spelling doaj.art-9d4b8749683a476db3102342062f81262022-12-22T01:21:41ZengKarolinum PressActa Universitatis Carolinae Geographica0300-54022336-19802020-09-0155216518210.14712/23361980.2020.1210121A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven methodSoghra TofighDariush RahimiReza ZakerinejadThe knowledge of actual evapotranspiration at farm level is a prerequisite for irrigation planning, farm management, to increase production and reduce water consumption. To accomplish this, comprehensive and accurate assessment methods should be applied. In order to evaluate accurately evapotranspiration processes we compared lysimeter evapotranspiration data with MODIS (Aqua and Terra satellites) and LANDSAT (SEBAL algorithm) satellite images as well as with the FAO Penman-Montith method. The findings indicate the low error rate, high correlation (1) and appropriateness of SEBAL in estimating actual evapotranspiration. The error values MAD, MSE and RMSE between lysimeter and the SEBAL algorithm were 0.59, 0.36 and 0.60 respectively. The second best performance was established for the FAO Penman-Montith method. The obtained error values MAD, MSE and RMSE between the lysimeter and FAO-Penman-Montith method are 0.91, 1.29 and 1.13, respectively.http://www.aucgeographica.cz/index.php/aucg/article/view/189actual evapotranspirationsebal algorithmlandsatmodispenman-montithwheatlysimete
spellingShingle Soghra Tofigh
Dariush Rahimi
Reza Zakerinejad
A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
Acta Universitatis Carolinae Geographica
actual evapotranspiration
sebal algorithm
landsat
modis
penman-montith
wheat
lysimete
title A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
title_full A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
title_fullStr A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
title_full_unstemmed A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
title_short A comparison of actual evapotranspiration estimates based on Remote Sensing approaches with a classical climate data driven method
title_sort comparison of actual evapotranspiration estimates based on remote sensing approaches with a classical climate data driven method
topic actual evapotranspiration
sebal algorithm
landsat
modis
penman-montith
wheat
lysimete
url http://www.aucgeographica.cz/index.php/aucg/article/view/189
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