ESTIMATION THE EFFECTIVE TIME OF ANTECEDENT PRECIPITATION ON OUTPUT DISCHARGE OF TANGRAH PASTURE WATERSHED

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RAZAGHIAN H.; SADEGHI S.H.R.

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Journal: JOURNAL OF WATERSHED MANAGEMENT RESEARCH Year:2013 | Volume:3 | Issue:6 Page(s): 93-103

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Title

ESTIMATION THE EFFECTIVE TIME OF ANTECEDENT PRECIPITATION ON OUTPUT DISCHARGE OF TANGRAH PASTURE WATERSHED

Author(s)

RAZAGHIAN H. | SADEGHI S.H.R. | Issue Writer Certificate

Keywords

ANTECEDENT PRECIPITATIONQ2

RUNOFF DYNAMIC MODELINGQ2

TANGRAH PASTURE WATERSHEDQ2

Abstract

In the pastures, floods often happen due to surface runoff and violent storm. Initial soil water content has a direct influence on the infiltration capacity and as result on surface runoff. Hydrological models are strong instruments to investigate the main physical processes involved in the watershed. In the present study regression models, obtained from relationship between independent and dependent effective variables on runoff production. Through modeling used in this study, the daily precipitation and water discharge data for the period from 1974 to 2000 collected, refined and analyzed.Subsequently the pertinent models were recognized with using the concept of dynamic modeling statistical software's Excel 2003 & SPSS 11.5. The analysis of results showed that the effective time of ANTECEDENT PRECIPITATION and the most effective daily precipitation on daily discharge. The results indicated that the antecedent and daily precipitation were affected on the daily discharge of TANGRAH PASTURE WATERSHED in duration of different months significantly. It was also found out that the daily discharge was affected by the precipitation occurred respectively before three days while this is contrary to emphasizes of other common methods of estimate of runoff that was based on effect of precipitation of fifth previous days on daily discharge due to specific governing conditions on study watershed. The present study emphasizes determination of exact quantity of effective ANTECEDENT PRECIPITATION in different places attention to effective spatial & temporal changes on output discharge of watershed.

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APA: Copy

RAZAGHIAN, H., & SADEGHI, S.H.R.. (2013). ESTIMATION THE EFFECTIVE TIME OF ANTECEDENT PRECIPITATION ON OUTPUT DISCHARGE OF TANGRAH PASTURE WATERSHED. JOURNAL OF WATERSHED MANAGEMENT RESEARCH, 3(6), 93-103. SID. https://sid.ir/paper/230343/en

Vancouver: Copy

RAZAGHIAN H., SADEGHI S.H.R.. ESTIMATION THE EFFECTIVE TIME OF ANTECEDENT PRECIPITATION ON OUTPUT DISCHARGE OF TANGRAH PASTURE WATERSHED. JOURNAL OF WATERSHED MANAGEMENT RESEARCH[Internet]. 2013;3(6):93-103. Available from: https://sid.ir/paper/230343/en

IEEE: Copy

H. RAZAGHIAN, and S.H.R. SADEGHI, “ESTIMATION THE EFFECTIVE TIME OF ANTECEDENT PRECIPITATION ON OUTPUT DISCHARGE OF TANGRAH PASTURE WATERSHED,” JOURNAL OF WATERSHED MANAGEMENT RESEARCH, vol. 3, no. 6, pp. 93–103, 2013, [Online]. Available: https://sid.ir/paper/230343/en

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