Following are the data of gauge and discharge collected at a particular section of the river by stream gauging operation.Gauge readingDischargeGauge readingDischarge(m)(cms)(m)(cms)7.65158.481707.70308.984007.77579.306007.80399.508007.90608910.5015007.9110011.1020008.0815011.7024001. Develop a rating curve for this stream at this section for use in estimating the discharge for a known gauge reading and fit alinear regression equation for use in estimation of stage for a known value of discharge. Use a value of 7.50 as the gaugereading corresponding to zero discharge. (20 pts) Equation 1 arith2. What is the coefficient of correlation of the derived relationship? (10 pts) R2² arithEquation 2 logR2 log3. Determine the stage for a discharge of 3500 cms (5 pts)4. Determine the discharge for a stage of 15 m (5 pts)NB Do both arithmetic and logarithmic plots

Answered: Following are the data of gauge and…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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Problem 1P

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5. Estimate the discharge in the stream cross section shown below using the given data. Determine channel dimensions by scale. 8 Cross section Scale: Horiz. 1"-50" Vert. 1" 5' Station 2 3 4 4 Profile Scale: 1" 2' Velocity (ft/s) 0.75 1.91 5.21 4.78 1.34 5 8 6. A pitot tube is placed in a flowing channel, as shown below. Estimate the velocity measured by the pitot tube. Speculate on whether the measurement represents average velocity across the cross section. Determine dimensions by scale. Water level
6. The following data were collected during a stream gauging operation in a river. Compute the discharge. Distance from the bank (m) 0.0 1.5 3.0 4.5 6.0 7.5 9.0 Depth اذاساانااذاة 0.0 1.3 2.5 1.7 1.0 0.4 0.0 Velocity (m/s) at 0.2d at 0.8d 0.0 0.0 0.6 0.4 0.9 0.6 0.7 ddddddd 0.6 640 0.4 0.0 이이이이 0.5 0.4 0.3 0.0 A = 1₁5x 113 x Gverage relacty [Dad & Dred] +
Station Rainfall (mm) Annual (mm) ДХ (m) ΔΥ (m) Area (m²) A 42 500 10 25 1500 30 480 15 30 2000 50 558 24 30 830 526 500 E 35 590 40 19 1200 Using a rainfall of 386 mm for rain gauge Station D, determine the average depth of rainfall that fell for the watershed using the arithmetic average, and Thiessen polygon method. The areas for the Thiessen polygon method are given in the table above for each station. B.
Q1. Using the data given, estimate precipitation depth that has fallen on the entire watershed. Polygon Thiessen area (cm?) Station Precipitation (mm) A 20 112.25 В 13 53.5 18.3 120.0 12.5 62.5 E 10 119.0 F 5.8 144.0 6.7 72.0 14.8 130.0 13.9 62.5 11 85.0 K 5.5 110.0 3.7 40.0
Sounding and current meter measurement data for Wawa River are shown below. The starting velocity and proportionality constant after the current meter calibration are 0.04 and 0.7 respectively for v in m/s. What is the total streamflow at Wawa River? Left Bank Flow Depth of Time Distance Depth Revolutions Measure (second) (meter) (meter) 0.2D 10 21 1 0.751 0.8D 24 23 0.2D 16 35 2 0.875 0.8D 29 38 0.2D 21 42 1.243 0.8D 38 48 0.2D 26 50 4 1.564 0.8D 45 55 0.421 0.6D 25 29 6. 0.214 0.6D 10 19 7
Please provide a detailed solution. Subject: engineering hydrology
The following data were collected during a stream-gauging operation in a river. Compute the discharge. Velocity (m/s) Distance from left water edge (m) Depth (m) at 0.2 d at 0.8 d 0.0 0.0 0.0 1.5 1.3 0.60 0.40 3.0 2.5 0.90 0.60 4.5 1.7 0.70 0.50 6.0 1.0 0.60 0.40 7.5 0.4 0.40 0.30 9.0 0.0 0.0 0.0
1. (a) Examine the two hydrographs presented below for an area of 5000 acres. Which of the two is a unit hydrograph? Please show how you arrived at this conclusion. (b) Using the hydrograph that you chose from part (a), assuming it is a 1-hr UH, create a 3-hr UH. Hydrograph 1 Hydrograph 2 (c) 1400 1200 1000 800 600 400 200 0 0 2 4 6 Time (hr) 8 10 12
1) Velocity - Area Method Given the tabulated data taken from a section of a stream, determine what is asked for. Mean Velocity at Subsection (m/s) Subsection Dist. from BM 0+100 Depth at subsection (m) ID (m) LWE 3 1 4 0.75 0.2 2 7 1.3 0.5 10.5 2.2 0.7 4 13 2.75 1 15.75 3.3 1.35 17.5 3.5 1.66 7 20 2.35 8 23.75 3.1 2.1 27.5 2.45 1.75 10 31.6 1.95 0.9 11 35.2 0.3 0.3 RWE 36 a) Draw the cross-section of the portion of the stream b) What is the total cross-sectional area of the stream section? c) What is the total discharge at this section of stream? d) What is the average velocity of water at the whole stream section?
Using S-Curve method, derive 12 hr unit hydrograph from the ordinates of 6hr unit hydrograph. Draw the resulting hydrograph.
A catchment with an area A = 85 km^2, has four rainfall gauges (P1 – P4) according to the figure. Use the rainfall data in the table to determine the areal rainfall over the catchment. Use the arithmetic averaging method to calculate areal rainfall. Use the Thiessen method to calculate areal rainfall.
A watershed covering 28.16 mi2 has a system of seven rainfall gages, as shown on the map in the Figure. Using the total storm rainfall depths given in the accompanying table, determine the average rainfall over the watershed using: (a) arithmetic averaging and (b) the Thiessen polygon method. Gage ABCDEFG А с P₁ (in.) 5.13 6.74 9.00 6.01 5.56 4.98 4.55 A₁ (mi²) 1.74 6.70 1.77 13.02 0.83 2.68 1.42 28.16 B. . E 1 in. = 3.9 mi .F . G

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