The ordinates of the recession limb of a hydrograph are listed below. Assuming that the interflow is negligible, determine the direct runoff and base flow recession constants. Time from Time from Peak Hours Discharge m³/s Discharge m³/s peak hours 0 517 72 134 12 432 84 113 24 318 96 96 36 227 108 72 48 188 120 60 60 153 132 50

The ordinates of the recession limb of a hydrograph are listed below. Assuming that the interflow is negligible, determine the direct runoff and base flow recession constants. Time from Time from Peak Hours Discharge m³/s Discharge m³/s peak hours 0 517 72 134 12 432 84 113 24 318 96 96 36 227 108 72 48 188 120 60 60 153 132 50

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Hydrology 1. Describe briefly the SCS-CN method of estimation yield of a catchment through use of daily rainfall record. 2. Indicate a procedure to estimate the annual yield of a catchment by using Strange's tables. 3. Explain clearly the procedure for calculating 75% dependable yield of a basin at a flow gauging station. List the essential data series required for this analysis.
Calculate the runoff depth in cubic meters for the 100 year storm event over a watershed using the SCS Runoff Method. The design rainfall for 10 year storm event is 115 mm and the drainage area is approximately 82.5 hectares. NOTE: Round off your weighted CN to the nearest WHOLE NUMBER. LAND USE 30% 25% 20% 25% HINT: Determine first the weighted CN by weighted CN CN to determine the runoff depth. = CURVE NUMBER 72 7 71 70 67 (%land use X CN) then use the weighted
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OTO 'T Hydrology Flood Routing • HW • Q2// . • For a large catchment, the precipitation and runoff are being recorded monthly. The records for 2 years are tabulated in the following table: The variables are assumed to be linearly related. Work out a relationship between the monthly precipitation and runoff for the location and use the relationship to estimate the expected amount of runoff generated when monthly precipitation is 14 cm (1 ||| = t + فلاتر O Moretly precipitatio runoff ntemile temat Jan-10 Feb-10 Mar 10 Apr 19 May 19 Jun-10 19 Jul-10 Aug 10 ADET Sep 10 Oct-10 Nov-10 Dec-10 Jan-11 Feb-11 Mar-11 Apr-11 May 11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Nov-11 Dec-11 ===============mage 64 65 5.1 71 74 21 7.1 10.2 9.9 8.4 58 10.1 7.3 5.5 114 10.8 7.5 8.2 79 4.3 10.4 3.9 2.4 11 1.3 05 18 2 43 1 3 47 44 2.8 14 6.3 44 1.8 4.2 إضافة شرح... 0 0 5.9 × mum
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