DISCHARGE ESTIMATES AND PALEOFLOODS OF THE STAG SIRVAN RIVER WITH USING GEOMORPHOLOGICAL EVIDENCE AND TORRENTIAL

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REZAI MOGHADAM M.H.; NIKJO M.R.; MOKHTARI D.; HOSINZADEH S.R.; MALEKI H.

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2016 | Volume:9 | Issue:3 (33) Page(s): 1-18

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Title

DISCHARGE ESTIMATES AND PALEOFLOODS OF THE STAG SIRVAN RIVER WITH USING GEOMORPHOLOGICAL EVIDENCE AND TORRENTIAL

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Keywords

SIRVAN RIVERQ2

PALEO STAGE INDICATOR (PSI)Q1

GEOMORPHOLOGY EVIDENCEQ1

ESTIMATION OF DISCHARGEQ2

SLACK WATER SEDIMENTSQ2

Abstract

The outbreak of the severe floods, one of the most important hazards hydro - Geomorphic is the Sir van River catchment. Sir van River as one of the most significant rivers is located in the west. During the last half century, especially in the spring severely flooded and many local expert’s melted snow and rain cause flooding intensifies over the day. To review the issue better flood data longer needed in this paper, using geomorphological data and flood reconstruction has been flooding. For the purposes of this paper, using satellite images stagnant water deposits and geomorphological evidences flood potential sites were identified. The river was divided into three periods, and the exact field visits to sites of stagnant water deposits on the sediment stratigraphy analysis was. With the mapping, map 1: 1000 area of study were produced and a total of 48 Section in three intervals, drawn and flood discharge was reconstructed in different periods. Software HEC-RAS, GIS was used to draw schematics and hydraulic analyzes. The maximum flood discharge for a period of 2 years, 103.66 and 4785.78 cubic meters per second for 1000-year period has been estimated as. Palangan in the first period, water level in the 2-year period, 1005.36 m 989.57 m and for the period of 1000 years. And the second period, Dalamarz border, for a period of 2 years, 868.42 m and for the period of 1000 years of 885.91 m. The third open Rodbar, water level in the 2-year period, 790.17 meters and 830.42 meters respectively for a period of 1000 years. Estimated maximum instantaneous flow old river floods showed that large floods is not unexpected. The results showed that using the Paleo stage indicator of PSI, the large floods (Discharge maximum) in the river channel using hydraulic model HEC-RAS and HEC-GEO-RAS estimated Software included and explained.

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APA: Copy

REZAI MOGHADAM, M.H., NIKJO, M.R., MOKHTARI, D., HOSINZADEH, S.R., & MALEKI, H.. (2016). DISCHARGE ESTIMATES AND PALEOFLOODS OF THE STAG SIRVAN RIVER WITH USING GEOMORPHOLOGICAL EVIDENCE AND TORRENTIAL. JOURNAL OF PHYSICAL GEOGRAPHY, 9(3 (33)), 1-18. SID. https://sid.ir/paper/184984/en

Vancouver: Copy

REZAI MOGHADAM M.H., NIKJO M.R., MOKHTARI D., HOSINZADEH S.R., MALEKI H.. DISCHARGE ESTIMATES AND PALEOFLOODS OF THE STAG SIRVAN RIVER WITH USING GEOMORPHOLOGICAL EVIDENCE AND TORRENTIAL. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2016;9(3 (33)):1-18. Available from: https://sid.ir/paper/184984/en

IEEE: Copy

M.H. REZAI MOGHADAM, M.R. NIKJO, D. MOKHTARI, S.R. HOSINZADEH, and H. MALEKI, “DISCHARGE ESTIMATES AND PALEOFLOODS OF THE STAG SIRVAN RIVER WITH USING GEOMORPHOLOGICAL EVIDENCE AND TORRENTIAL,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 9, no. 3 (33), pp. 1–18, 2016, [Online]. Available: https://sid.ir/paper/184984/en

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