FIELD INVESTIGATION OF HYDRAULIC AND MORPHOLOGIC RELATIONSHIPS ALONG STEP-POOL REACH

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ABBASI F.; M.TABATABAI R.M.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2009 | Volume:3 | Issue:7 Page(s): 35-42

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Title

FIELD INVESTIGATION OF HYDRAULIC AND MORPHOLOGIC RELATIONSHIPS ALONG STEP-POOL REACH

Author(s)

ABBASI F. | M.TABATABAI R.M. | Issue Writer Certificate

Keywords

MORPHOLOGYQ2

STEP-POOLQ3

AMMAMEHQ3

STEEP REACH AND FLOW RESISTANCEQ3

Abstract

Field study along one of the upper reaches of AMMAMEH in Jujrud river basin showing a series of particular hydraulic and morphological specifications. The selected study reach is 145 meters long and has STEP-POOL MORPHOLOGY based on Montgomery and Buffington's classification.Investigations show that steps through the reach affect the flow pattern. In other words, 40 through nearly 80 percent of reach friction factor are due to steps and knick zone in low to high flow spectrum. This reason induce sub-critical regime for water profile in spite of steep slope (at least 10%).On the other hand, there is distinct flexibility of river MORPHOLOGY due to recent hydraulic circumstance. Field operations and data analyzing reflect that if the length between two successive steps is long, the pliability of alignment made deeper. The pool configuration downstream of step is trapezoidal shape for energy dissipating and having submerged hydraulic jump.

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APA: Copy

ABBASI, F., & M.TABATABAI, R.M.. (2009). FIELD INVESTIGATION OF HYDRAULIC AND MORPHOLOGIC RELATIONSHIPS ALONG STEP-POOL REACH. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 3(7), 35-42. SID. https://sid.ir/paper/134668/en

Vancouver: Copy

ABBASI F., M.TABATABAI R.M.. FIELD INVESTIGATION OF HYDRAULIC AND MORPHOLOGIC RELATIONSHIPS ALONG STEP-POOL REACH. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2009;3(7):35-42. Available from: https://sid.ir/paper/134668/en

IEEE: Copy

F. ABBASI, and R.M. M.TABATABAI, “FIELD INVESTIGATION OF HYDRAULIC AND MORPHOLOGIC RELATIONSHIPS ALONG STEP-POOL REACH,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 3, no. 7, pp. 35–42, 2009, [Online]. Available: https://sid.ir/paper/134668/en

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