STUDY OF TEMPERATURE AND RADIATION BASED METHODS OF ESTIMATING MAXIMUM EVAPOTRANSPIRATION WITH DIFFERENT PROBABILITIES (CASE STUDY OF GORGAN)

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SHARIFAN HOSSEIN; ALIZADEH AMIN

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Journal: Journal of Water and Soil Year:2009 | Volume:23 | Issue:3 Page(s): 1-9

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Title

STUDY OF TEMPERATURE AND RADIATION BASED METHODS OF ESTIMATING MAXIMUM EVAPOTRANSPIRATION WITH DIFFERENT PROBABILITIES (CASE STUDY OF GORGAN)

Author(s)

SHARIFAN HOSSEIN | ALIZADEH AMIN | Issue Writer Certificate

Keywords

PEAK WATER REQUIREMENTQ3

ETOQ3

ETCQ2

RADIATIONQ3

TEMPERATUREQ3

PROBABILITYQ3

Abstract

In order to estimate the reference evapotranspiration different equation is used. Validity of each method depends upon the climate and the parameters which are used in these equations. Therefore it is necessary to calibrate these methods for any specific area and for any desired frequency. In this study common TEMPERATURE and RADIATION based methods were used for calculating crop evapotranspiration and the results were compared with standard method of estimating reference evapotranspiration. The results showed that Jensen-Haise(J-H) method overestimate ET compare to Hargreaves-Samany(H-S) method. The difference is more in 3 days period of irrigation than 5 days period. Also for wheat and barely H-S method estimates higher value of ETC compared with J-H method. However, J-H method overestimates ETC for cotton and rice. By increasing the PROBABILITY level, the difference between calculated ETC by J-H and H-S decreased significantly.

Cites

ESTIMATION OF SUMMER EVAPOTRANSPIRATION OF SUGARCANE PLANT IN USING THE CLIMATOLOGIC DATA, KHUZESTAN PROVINCE

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APA: Copy

SHARIFAN, HOSSEIN, & ALIZADEH, AMIN. (2009). STUDY OF TEMPERATURE AND RADIATION BASED METHODS OF ESTIMATING MAXIMUM EVAPOTRANSPIRATION WITH DIFFERENT PROBABILITIES (CASE STUDY OF GORGAN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 23(3), 1-9. SID. https://sid.ir/paper/141633/en

Vancouver: Copy

SHARIFAN HOSSEIN, ALIZADEH AMIN. STUDY OF TEMPERATURE AND RADIATION BASED METHODS OF ESTIMATING MAXIMUM EVAPOTRANSPIRATION WITH DIFFERENT PROBABILITIES (CASE STUDY OF GORGAN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2009;23(3):1-9. Available from: https://sid.ir/paper/141633/en

IEEE: Copy

HOSSEIN SHARIFAN, and AMIN ALIZADEH, “STUDY OF TEMPERATURE AND RADIATION BASED METHODS OF ESTIMATING MAXIMUM EVAPOTRANSPIRATION WITH DIFFERENT PROBABILITIES (CASE STUDY OF GORGAN),” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 23, no. 3, pp. 1–9, 2009, [Online]. Available: https://sid.ir/paper/141633/en

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