INTRODUCING A METHOD IN SITE SELECTION OF AREAS INFLUENCING TO FLOOD CONTROL PROGRAMMING AND DECREASING FLOOD DAMAGES IN IRAN WATERSHEDS CASE STUDY IN RODAK BASIN

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ROUGHANI M.; MAHDAVI M.; GHAFOURI A.

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Journal: Year:2004 | Volume:16 | Issue:4 (61 IN NATURAL RESOURCES) Page(s): 18-27

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Title

INTRODUCING A METHOD IN SITE SELECTION OF AREAS INFLUENCING TO FLOOD CONTROL PROGRAMMING AND DECREASING FLOOD DAMAGES IN IRAN WATERSHEDS CASE STUDY IN RODAK BASIN

Author(s)

ROUGHANI M. | MAHDAVI M. | GHAFOURI A. | Issue Writer Certificate

Keywords

WATERSHED MANAGEMENTQ4

RAINFALLQ4

RUNOFFQ4

ISOCHRONQ3

HYDROLOGIC MODELQ4

FLOOD CONTROLQ4

Abstract

Due to particular geographic situation, Iran has arid and semi arid climate in most areas. RAINFALL condition and distribution in these areas is influenced by the geographic characteristics which causes of seasonal floods. These floods impose huge and irreparable damages. The aim of this research is decreasing of flood hazard. For this purpose by using time-area diagram, average slope, surface roughness coefficient, time of concentration, rain and RUNOFF coefficient in a HYDROLOGIC MODEL has calibrated and evaluated the behavior of watershed basin. Then ISOCHRON of basin was determined and spatial distribution condition of sub-basins has been surveyed. Since interaction between sub-basins spatial distribution and turtiality potential has an important role in arise of peak flood discharge in basin outlet. Therefore considering the implementation of FLOOD CONTROL activities in the sub basins located in each ISOCHRON, their effect on peak flood hydrograph has been analyzed. The results of this research indicate that the number five ISOCHRON with 8870 km2 area has had the most effect in peak flood discharge in the basin outlet. In the contrary, the sub-basin located in ISOCHRON near outlet have had less important role in peak flood discharge. In general, from the outlet toward middle stream of basin along with increase in areas of ISOCHRON, the effects of sub-basins in peak flood discharge has showed an increasing. Thus concentrating on WATERSHED MANAGEMENT and FLOOD CONTROL activities based on priorities and the areas identified achieving the research goals, will lead to considerable decrease in implementation expenses of the project.

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APA: Copy

ROUGHANI, M., MAHDAVI, M., & GHAFOURI, A.. (2004). INTRODUCING A METHOD IN SITE SELECTION OF AREAS INFLUENCING TO FLOOD CONTROL PROGRAMMING AND DECREASING FLOOD DAMAGES IN IRAN WATERSHEDS CASE STUDY IN RODAK BASIN. PAJOUHESH-VA-SAZANDEGI, 16(4 (61 IN NATURAL RESOURCES)), 18-27. SID. https://sid.ir/paper/20108/en

Vancouver: Copy

ROUGHANI M., MAHDAVI M., GHAFOURI A.. INTRODUCING A METHOD IN SITE SELECTION OF AREAS INFLUENCING TO FLOOD CONTROL PROGRAMMING AND DECREASING FLOOD DAMAGES IN IRAN WATERSHEDS CASE STUDY IN RODAK BASIN. PAJOUHESH-VA-SAZANDEGI[Internet]. 2004;16(4 (61 IN NATURAL RESOURCES)):18-27. Available from: https://sid.ir/paper/20108/en

IEEE: Copy

M. ROUGHANI, M. MAHDAVI, and A. GHAFOURI, “INTRODUCING A METHOD IN SITE SELECTION OF AREAS INFLUENCING TO FLOOD CONTROL PROGRAMMING AND DECREASING FLOOD DAMAGES IN IRAN WATERSHEDS CASE STUDY IN RODAK BASIN,” PAJOUHESH-VA-SAZANDEGI, vol. 16, no. 4 (61 IN NATURAL RESOURCES), pp. 18–27, 2004, [Online]. Available: https://sid.ir/paper/20108/en

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