ESTIMATION OF HERSHFIELD COEFFICIENT FOR KHAF AND KALSHOUR BASINS IN KHORASAN RAZAVI PROVINCE

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MIANABADI A.; MOUSAVI BAYGI M.; EGHTEDARI M.

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Journal: Journal of Irrigation Sciences and Engineering Year:2010 | Volume:33 | Issue:1 Page(s): 93-99

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Title

ESTIMATION OF HERSHFIELD COEFFICIENT FOR KHAF AND KALSHOUR BASINS IN KHORASAN RAZAVI PROVINCE

Author(s)

MIANABADI A. | MOUSAVI BAYGI M. | EGHTEDARI M. | Issue Writer Certificate

Keywords

PMPQ3

STATISTICAL METHODQ3

SYNAPTICAL METHOD; HERSHFIELD METHODQ3

KHORASAN RAZAVIQ2

Abstract

The probable maximum precipitation (PMP) is the maximum possible depth of precipitation, which could occurs in a region. The PMP has so many influences on designing of dam weirs and storage constructions and water distribution. Therefore, the storage constructions and water distribution must design like they can stand maximum flood without any impairment. The synoptical (convergence) and statistical analysis are two general methods for the PMP estimation. The statistical or Hershfield method is used when rainfall quantities are available and sufficient. There is worth exactness in convergence method because of using more parameters for PMP estimation. In this' paper, by using of Meteorology Organization research which has estimated PMP for Khaf and Khalshour basins by convergence method and concerning 24h PMP in rainguage stations basin, k; was estimated for whole of the area. The 24h PMP data were received from synoptic and climatology stations in KHORASAN RAZAVI province. Then PMP was estimated by first and second Hershfield methods. The results show that there are many differences between them and the Hershfield's second method estimates PMP close to the. convergence estimations.

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APA: Copy

MIANABADI, A., MOUSAVI BAYGI, M., & EGHTEDARI, M.. (2010). ESTIMATION OF HERSHFIELD COEFFICIENT FOR KHAF AND KALSHOUR BASINS IN KHORASAN RAZAVI PROVINCE. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), 33(1), 93-99. SID. https://sid.ir/paper/216940/en

Vancouver: Copy

MIANABADI A., MOUSAVI BAYGI M., EGHTEDARI M.. ESTIMATION OF HERSHFIELD COEFFICIENT FOR KHAF AND KALSHOUR BASINS IN KHORASAN RAZAVI PROVINCE. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2010;33(1):93-99. Available from: https://sid.ir/paper/216940/en

IEEE: Copy

A. MIANABADI, M. MOUSAVI BAYGI, and M. EGHTEDARI, “ESTIMATION OF HERSHFIELD COEFFICIENT FOR KHAF AND KALSHOUR BASINS IN KHORASAN RAZAVI PROVINCE,” IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 33, no. 1, pp. 93–99, 2010, [Online]. Available: https://sid.ir/paper/216940/en

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