THE ANALYSIS OF INTENSITY AND DURATION PROBABILITY DISTRIBUTION IN ORDER TO DROUGHT ZONING IN CENTRAL IRAN AREA

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NASRI M.; SARHADI A.; MODARRES R.

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Journal: Watershed Management Research Year:2011 | Volume:24 | Issue:2 (91) Page(s): 55-67

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Title

THE ANALYSIS OF INTENSITY AND DURATION PROBABILITY DISTRIBUTION IN ORDER TO DROUGHT ZONING IN CENTRAL IRAN AREA

Author(s)

NASRI M. | SARHADI A. | MODARRES R. | Issue Writer Certificate

Keywords

DROUGHTQ2

SEVERITY AND DURATION OF DROUGHTQ2

REGIONAL FREQUENCY ANALYSISQ2

PEARSON IIIQ2

CENTRAL IRANQ2

Abstract

Investigation of occurrence probability of DROUGHT characteristics (severity and duration) is considered as a stochastic analysis for DROUGHT zoning. This study combined these two features on 34 stations in CENTRAL IRAN for DROUGHT zoning. Firstly L-moment method was used to REGIONAL FREQUENCY ANALYSIS of DROUGHT severity and its duration. The results showed that although the study area based on DROUGHT severity is not homogenous, it’s considered as a homogenous region according to DROUGHT duration. Then PEARSON III distribution function was selected as the best regional function for both characteristics. Results also proved that DROUGHT severity in the lower return period is almost uniform in CENTRAL IRAN, but in high return period, this parameter in eastern and southwestern of CENTRAL IRAN is higher than other regions. Also West regions, especially in Isfahan region due to longer severe DROUGHTs need to a crisis management and water resources management in order to reduce the destructive effects of this natural event.

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APA: Copy

NASRI, M., SARHADI, A., & MODARRES, R.. (2011). THE ANALYSIS OF INTENSITY AND DURATION PROBABILITY DISTRIBUTION IN ORDER TO DROUGHT ZONING IN CENTRAL IRAN AREA. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 24(2 (91)), 55-67. SID. https://sid.ir/paper/200659/en

Vancouver: Copy

NASRI M., SARHADI A., MODARRES R.. THE ANALYSIS OF INTENSITY AND DURATION PROBABILITY DISTRIBUTION IN ORDER TO DROUGHT ZONING IN CENTRAL IRAN AREA. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2011;24(2 (91)):55-67. Available from: https://sid.ir/paper/200659/en

IEEE: Copy

M. NASRI, A. SARHADI, and R. MODARRES, “THE ANALYSIS OF INTENSITY AND DURATION PROBABILITY DISTRIBUTION IN ORDER TO DROUGHT ZONING IN CENTRAL IRAN AREA,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 24, no. 2 (91), pp. 55–67, 2011, [Online]. Available: https://sid.ir/paper/200659/en

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