FLOOD HAZARD ZONATION USING AND HYDRAULIC MODELS

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VAHABI J.

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Journal: Year:2006 | Volume:19 | Issue:2 (71 IN NATURAL RESOURCES) Page(s): 33-40

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Information Journal Paper

Title

FLOOD HAZARD ZONATION USING AND HYDRAULIC MODELS

Author(s)

VAHABI J. | Issue Writer Certificate

Keywords

FLOOD MANAGEMENTQ3

FLOOD HAZARD ZONATIONQ3

REMOT SENSINGQ2

GISQ3

HYDRAULICS MODELQ4

HYDROLOGIC MODELQ3

Abstract

Flood studies to plan for optimal utilization and to control this natural phenomenon is main concern in the world and our country. Great damages caused by floods in different parts of the country during past few years demand comprehensive plans; knowing that it is impossible to Plan and apply flood control methods without a good knowledge about the behavior of this phenomenon. The extend of flood damages in various conditions depends on the amount of inflow and the geometrical characteristics of flow bed and adjacent areas. Thus FLOOD HAZARD ZONATION for different return Periods 'is necessary to predict the extend of damages caused by floods in different conditions and to justify socio-economical aspects of flood control programs. To Plan optimal land use in river margins and flood plains, the prohibitive, restrictive and it is impossible to zone flood hazard plain without a good knowledge of flood intensity and torrential flow behavior along the river route and flood plain. As a result, regarding more adaptation between estimated hydrographs by SCS method and observed hydrographs, this method was selected to estimate flood hydrographs, in related sub basins for given return periods. After this stage by estimating the outlet flood hydrograph in the headwaters and existing sub basins along given route for determining flood hazard plain by SCS method of HEC-1 Model, maximum water levels in 28 distinct cross sections were determined by MIKE11 model along about 14 kilometers of the river route. In the end, by using digital elevation model (DEM) produced from river bed and boundaries and the maximum water level in given cross sections for return periods of 5, 10, 25 and 100 years the flood hazard plain was determined by ILWIS Software Capability.

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APA: Copy

VAHABI, J.. (2006). FLOOD HAZARD ZONATION USING AND HYDRAULIC MODELS. PAJOUHESH-VA-SAZANDEGI, 19(2 (71 IN NATURAL RESOURCES)), 33-40. SID. https://sid.ir/paper/20048/en

Vancouver: Copy

VAHABI J.. FLOOD HAZARD ZONATION USING AND HYDRAULIC MODELS. PAJOUHESH-VA-SAZANDEGI[Internet]. 2006;19(2 (71 IN NATURAL RESOURCES)):33-40. Available from: https://sid.ir/paper/20048/en

IEEE: Copy

J. VAHABI, “FLOOD HAZARD ZONATION USING AND HYDRAULIC MODELS,” PAJOUHESH-VA-SAZANDEGI, vol. 19, no. 2 (71 IN NATURAL RESOURCES), pp. 33–40, 2006, [Online]. Available: https://sid.ir/paper/20048/en

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