PRESENTING A SIMPLE EQUATION TO DETERMINE THE REFERENCE EVAPOTRANSPIRATION USING NOAA SATELLITE DATA

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ALAVI SEYED ABDOLLAH; RAHIMIKHOOB ALI

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Journal: Iranian Journal of Soil and Water Research Year:2016 | Volume:47 | Issue:1 Page(s): 77-85

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Title

PRESENTING A SIMPLE EQUATION TO DETERMINE THE REFERENCE EVAPOTRANSPIRATION USING NOAA SATELLITE DATA

Author(s)

ALAVI SEYED ABDOLLAH | RAHIMIKHOOB ALI | Issue Writer Certificate

Keywords

AMIRKABIR IRRIGATED NETWORKQ1

PENMAN–MONTEITH EQUATIONQ1

REGRESSION MODELQ2

SAS SOFTWAREQ1

Abstract

Accurate estimation of reference evapotranspiration (ETo) is needed for water resources management, farm irrigation scheduling, and environmental assessment. A large number of methods have been developed for assessing ETo from meteorological data. However, most weather stations around the globe are located in nonagricultural settlings of dry, bare soil surface and/or concrete surfaces. Using these weather data may cause serious errors. Satellite images on the other hand cover large cultivated areas and fields. Throughout the present study, PENMAN–MONTEITH EQUATION was converted to a simple equation of three components for each component of which there was a linear regression presented with satellite input data. To create and test regression equations, 297 NOAAAVHRR satellite images for duration of ten years were acquired. The present investigation has been carried out in Amirkabir irrigated unit in Khuzestan province. The results indicate that the simplified equation can estimate ETo with an R2 of 0.92 and an error of 8 percent.

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APA: Copy

ALAVI, SEYED ABDOLLAH, & RAHIMIKHOOB, ALI. (2016). PRESENTING A SIMPLE EQUATION TO DETERMINE THE REFERENCE EVAPOTRANSPIRATION USING NOAA SATELLITE DATA. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 47(1), 77-85. SID. https://sid.ir/paper/225640/en

Vancouver: Copy

ALAVI SEYED ABDOLLAH, RAHIMIKHOOB ALI. PRESENTING A SIMPLE EQUATION TO DETERMINE THE REFERENCE EVAPOTRANSPIRATION USING NOAA SATELLITE DATA. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2016;47(1):77-85. Available from: https://sid.ir/paper/225640/en

IEEE: Copy

SEYED ABDOLLAH ALAVI, and ALI RAHIMIKHOOB, “PRESENTING A SIMPLE EQUATION TO DETERMINE THE REFERENCE EVAPOTRANSPIRATION USING NOAA SATELLITE DATA,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 47, no. 1, pp. 77–85, 2016, [Online]. Available: https://sid.ir/paper/225640/en

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