ESTIMATED OF POTENTIAL EVAPOTRANSPIRATION VOLUME BASE ON WET AND DRY YEARS IN CHAHRMAHAL-VA-BAKHTIYARI PROVINCE

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TABATABAEI S.H.; GOLESTANI S.; NAJAFI P.

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Journal: JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE Year:2007 | Volume:2 | Issue:2 Page(s): 87-98

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Title

ESTIMATED OF POTENTIAL EVAPOTRANSPIRATION VOLUME BASE ON WET AND DRY YEARS IN CHAHRMAHAL-VA-BAKHTIYARI PROVINCE

Author(s)

TABATABAEI S.H. | GOLESTANI S. | NAJAFI P. | Issue Writer Certificate

Keywords

POTENTIAL EVAPOTRANSPIRATIONQ4

DRY YEARQ4

WET YEAR AND CHAHRMAHAL BAKHTIYARI PROVINCEQ4

Abstract

This research has been done to determine the maximum and minimum volume of POTENTIAL EVAPOTRANSPIRATION (ET0) in Chahrmahal va Bakhtiyari province base on wet and DRY YEARs for a 12 years periods (1988-2000). Four meteorological Synoptic stations and 4 climatological stations were selected in the province and the data was collected for the period. The rainfall analysis showed that the 1993 and 2000 were most wet and DRY YEARs in the period, respectively. The ET0 value was calculated with Balany-Cridle-FAO (BCF), Penman-Montith-FAO (PMF) and Hargreaves-Samani (HS) methods by using REF-ET software. A recent developed model called Standardized ASCE method was used in this study, too. The calculated value was compared with the statistical index. The result shows that total volume of ET0 in BCF is greater 42 percent in dry season in comparison to wet season. It also shows that BCF method overestimate ET0 more than 9 percent in comparison with HS, whereas HS method was successfully evaluated with the lysimeter data in the province. The result shows that the BCF and ASCE give maximum and minimum volume of ET0 respectively in compression with HS. As the ASCE method is spreading widely in the world rapidly, it strongly advice to calibrate the method for the province.

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APA: Copy

TABATABAEI, S.H., GOLESTANI, S., & NAJAFI, P.. (2007). ESTIMATED OF POTENTIAL EVAPOTRANSPIRATION VOLUME BASE ON WET AND DRY YEARS IN CHAHRMAHAL-VA-BAKHTIYARI PROVINCE. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, 2(2), 87-98. SID. https://sid.ir/paper/115229/en

Vancouver: Copy

TABATABAEI S.H., GOLESTANI S., NAJAFI P.. ESTIMATED OF POTENTIAL EVAPOTRANSPIRATION VOLUME BASE ON WET AND DRY YEARS IN CHAHRMAHAL-VA-BAKHTIYARI PROVINCE. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE[Internet]. 2007;2(2):87-98. Available from: https://sid.ir/paper/115229/en

IEEE: Copy

S.H. TABATABAEI, S. GOLESTANI, and P. NAJAFI, “ESTIMATED OF POTENTIAL EVAPOTRANSPIRATION VOLUME BASE ON WET AND DRY YEARS IN CHAHRMAHAL-VA-BAKHTIYARI PROVINCE,” JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, vol. 2, no. 2, pp. 87–98, 2007, [Online]. Available: https://sid.ir/paper/115229/en

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