INVESTIGATION AND DETERMINATION OF HYDROLOGICAL INDICES, BY THE AID OF ANALOGOUS WATERSHEDS (CASE STUDY: SALT LAKE DRAINAGE BASIN)

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ZEHTABIAN GHOLAM REZA; MOUSAVI A.A.

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Journal: Desert Year:2000 | Volume:5 | Issue:2 Page(s): 65-78

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Title

INVESTIGATION AND DETERMINATION OF HYDROLOGICAL INDICES, BY THE AID OF ANALOGOUS WATERSHEDS (CASE STUDY: SALT LAKE DRAINAGE BASIN)

Author(s)

ZEHTABIAN GHOLAM REZA | MOUSAVI A.A. | Issue Writer Certificate

Keywords

DROUGHTQ4

HYDROLOGICAL DROUGHTQ2

SALT LAKEQ4

IRANQ4

MINIMUM AND MAXIMUM FLOWS IN ARID ZONESQ4

Abstract

One of the main problem in hydrological studies of low -water flow (DROUGHT) and high - water flow periods is absence or deficiency of hydrometric statistics. This problem is due to high expenses of establishment of hydrological stations, difficulty in maintenance of stations and the fact that not all drainage basins are accessible. In this research after investigation of hydological stations present in SALT LAKE Drainage Basin. 19 stations which have the best stations in the view of length of statistical periods and the other properties, were chosen and seven day low flows (minimum flows). Q %90 and maximum discharges were extracted. After reconstruction and extension of statistics, done by HYFA computer program, the above - mentioned factors were determined for 2, 5, 10, 25 and 50 year return periods. For determining analogous drainage basins and homogeneous groups, 14 morphometric, climatic and geologic parameters of selected drainage basins were extracted and important and independent parameters were chosen by analysis to factors. Then by using chosen parameters, analogous drainage basins were determined by two methods of numerical homogenization (such as cluster analysis) and non - numerical homogenization (such as Andro curves). Then the minimum and maximum flows for each station were estimated by area - ratio between analogous drainage basins. At the end, the efficiency of graphic and numerical methods for determinations of analogous regions and also the efficiency of transfer method of indices in estimation of minimum and maximum flows were discussed.

Cites

STUDY ON EFFICIENCY OF NON NUMERICAL (ANDREW CURVE) METHOD IN DETERMINATION OF HOMOGENEOUS AREA IN FLOOD ESTIMATION

References

مفهوم هیدرولوژی خشکسالی و روش های پیش بینی آن

Cite

APA: Copy

ZEHTABIAN, GHOLAM REZA, & MOUSAVI, A.A.. (2000). INVESTIGATION AND DETERMINATION OF HYDROLOGICAL INDICES, BY THE AID OF ANALOGOUS WATERSHEDS (CASE STUDY: SALT LAKE DRAINAGE BASIN). DESERT (BIABAN), 5(2), 65-78. SID. https://sid.ir/paper/5281/en

Vancouver: Copy

ZEHTABIAN GHOLAM REZA, MOUSAVI A.A.. INVESTIGATION AND DETERMINATION OF HYDROLOGICAL INDICES, BY THE AID OF ANALOGOUS WATERSHEDS (CASE STUDY: SALT LAKE DRAINAGE BASIN). DESERT (BIABAN)[Internet]. 2000;5(2):65-78. Available from: https://sid.ir/paper/5281/en

IEEE: Copy

GHOLAM REZA ZEHTABIAN, and A.A. MOUSAVI, “INVESTIGATION AND DETERMINATION OF HYDROLOGICAL INDICES, BY THE AID OF ANALOGOUS WATERSHEDS (CASE STUDY: SALT LAKE DRAINAGE BASIN),” DESERT (BIABAN), vol. 5, no. 2, pp. 65–78, 2000, [Online]. Available: https://sid.ir/paper/5281/en

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