SPATIAL PRIORITY OF FLOOD POTENTIAL AREAS A NEW METHOD FOR FLOOD CONTROL IN WATERSHEDS

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KHOSROSHAHI M.; SAGHAFIAN B.

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Paper Information

Journal: Journal of Agricultural Sciences and Natural Resources Year:2005 | Volume:12 | Issue:2 Page(s): 128-138

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Information Journal Paper

Title

SPATIAL PRIORITY OF FLOOD POTENTIAL AREAS A NEW METHOD FOR FLOOD CONTROL IN WATERSHEDS

Author(s)

KHOSROSHAHI M. | SAGHAFIAN B. | Issue Writer Certificate

Keywords

FLOOD PRODUCING POTENTIALQ2

PRIORITYQ4

SPATIAL FLOOD GENERATIONQ2

SUBWATERSHEDQ4

HMS MODELQ2

GISQ3

DAMAVAND BASINQ4

Abstract

Most areas in our country are subject to frequent flood damages and increasing loss of lives and properties. This research present a methodology, based on the use of mathematical hydrologic models simulating mutual interaction of effective factors, to study the spatial distribution of flood producing areas with in watersheds. The watershed of interest, Damavand, was divided into seven SUBWATERSHEDs which were digitally characterized in a geographic information system (GIS). SUBWATERSHEDs flood hydrographs associated with design rainfalls were determined using HMS MODEL and were routed in the stream network to yield the total hydrograph at the outlet. With successively eliminating SUBWATERSHEDs from the simulation process, in a method titled "successive single SUBWATERSHED elimination method", flood hydrograph at the outlet was determined so that the contribution of each SUBWATERSHED in the flood peak at the outlet could be quantified. Then, all SUBWATERSHEDs were ranked with respect to the order of contribution to the outlet flood peak. The routing results show that this contribution is not only a function of SUBWATERSHED discharge and size but also a function of other factors. Thus, any flood control measure must consider the flood area prioritization in term of contribution at the outlet.

Cites

INVESTIGATION OF EFFECTS OF LAND COVER AND CLIMATE CHANGE ON RIVER FLOW (CASE STUDY: MINAB WATERSHED)

References

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Cite

APA: Copy

KHOSROSHAHI, M., & SAGHAFIAN, B.. (2005). SPATIAL PRIORITY OF FLOOD POTENTIAL AREAS A NEW METHOD FOR FLOOD CONTROL IN WATERSHEDS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 12(2), 128-138. SID. https://sid.ir/paper/9778/en

Vancouver: Copy

KHOSROSHAHI M., SAGHAFIAN B.. SPATIAL PRIORITY OF FLOOD POTENTIAL AREAS A NEW METHOD FOR FLOOD CONTROL IN WATERSHEDS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2005;12(2):128-138. Available from: https://sid.ir/paper/9778/en

IEEE: Copy

M. KHOSROSHAHI, and B. SAGHAFIAN, “SPATIAL PRIORITY OF FLOOD POTENTIAL AREAS A NEW METHOD FOR FLOOD CONTROL IN WATERSHEDS,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 12, no. 2, pp. 128–138, 2005, [Online]. Available: https://sid.ir/paper/9778/en

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