answer the question from the image 13 For a large catchment the following data on precipitation (P), free water evaporation(E.), potential evapotranspiration (Epot) and actual evapotranspiration (Eact) are given inan arbitrarily sequence in mm/year as follows: 40, 100, 2500 and 3000.a Give the values for P, Eo. Epot and Eact- Explain your answer.b Indicate to which climate these values pertain: humid, semi-arid or arid.

I have provided a detailed answer to each question in the Explanation section.Explanation:Question…

Answered: 13 For a large catchment the following…

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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5. During a given year. the following hydrologic data were collected for a 2750-km2 basin: total precipitation: 695 mm, total combined loss due to evaporation and evapotranspiration: 325 mm estimated groundwater outflow (including groundwater depletion):175 mm and mean surface runoff: 185 mm. what is the change in volume of water in hm3 remaining in storage in the basin during the elapsed time?. A) 72.5 B) 52.7 C) 27.5 D) 725 E) None of the above
In a reservoir located at the outlet of a 388.5 km2 watershed, the mean annual precipitation was 965 mm, mean annual watershed runoff (flow into reservoir) was 330 mm, mean annual reservoir evaporation was 1245 mm, mean daily withdrawal from reservoir was 455 MLD, mean reservoir surface area, As = 1620 acres (6.56 km2). Using a time frame, Δt = 1 year (365 days) determine: Volume of water evaporated from lake Watershed runoff or inflow into the reservoir Volume of rainfall input to the reservoir Mean annual withdrawal from the reservoir Net loss/gain of reservoir storage
Figure 2.2 shows a catchment with seven rain guage stations inside it and three stations outside. The rainfall recorded by each of these stations are indicated by the figure. Draw the figure to an enlarged scale and calculate the mean precipitation method by Thiessen-mean method.
2.10 Figure 2.28 shows a catchment with seven raingauge stations inside it and three stations outside. The rainfall recorded by each of these stations are indicated in the figure. Draw the figure to an enlarged scale and calculate the mean precipitation by (a) Thiessen- mean method, (b) isohyetal method, and by (c) arithmetic-mean method. 11.2 11.7 E 8.2 F 13.2 10.8 14.0 J B 10.2 A 10.9 6.3 H 9.2 5 km SCALE Fig. 2.28 Problem 2.10
From the table below, compute the catchment volume from the total data of precipitation, runoff, ground water, and evapotranspiration from the month of February to October in km per month. Event Jan Feb Mar Apr May Jun Jul August Sep Oct Nov Dec Precipitation 1003 2500 1800 4000 1420 43205100 8400 4900 3512 2450 3108 (km³/month) Ground water 521 684 1250 120 750 841 470 880 645 542 (km³/month) Evapotranspiration Tkm²/month) 125 185 540 403 654 1526 285 750 512 Runoff (km3/month) 451 -265 495 64 458 345 451 231 125 420
Uzman Soru-Cevap Bitti Applied Water Resources Engineering 393 7.9 Exercise Problems Problem 7.1: Using geometric extrapolation, determine the following municipal water demands of a city for the year 2015 if it has P1990 = 46000, P1995= 54000, (P.F.)day = a) average daily\demand in It/s; b) maximum daily demand in It/s; c) maximum hourly demand of maximum demand day in It/s; d) maximum monthly demand in m’; Angwera: on) M2N04:20 It/s, b) 306.3 It/s, c) 765.75 lt/s, d) 661608 m², %3D = 1.5, (P.F.)nour = 2.5, (P.F.)month =1.25. %3D %3D %3D 3. MI DUAL CAMERA han D -600000 D -650000 and (PE ). =1 5. Water is
During a given year. the following hydrologic data were collected for a 2750-km2 basin: total precipitation: 695 mm, total combined loss due to evaporation and evapotranspiration: 325 mm estimated groundwater outflow (including groundwater depletion):175 mm and mean surface runoff: 185 mm. what is the change in volume of water in hm3 remaining in storage in the basin during the elapsed time?
Question 4 A catchment is idealized as a 30km x 30km square. It has four rain gauges as shown in the Figure Q4. During a month, the precipitation at these gauges is measured as A=(300+X) mm, B=(285+X) mm, C=(272+X) mm and D=(290+X) mm. Compute the average precipitation (in mm, up to one decimal place) over the catchment during this month by using the Thiessen polygon method. A X=3 Figure Q4- Watershed boundary and rainfall gauges
From the table below, compute the catchment volume from the total data of precipitation, runoff, ground water, and evapotranspiration from the month of February to October in km per month. Event Jan Feb Mar Apr May Jun Jul Sep Oct Nov Dec Precipitation (km2/month) 1003 2500 1800 4000 1420 4320 5100 4900 3512. 2450 3108 Ground water 521 684 1250 120 750 841 880 645 542 Ckm/manth) Evapotranspiration. km/month) 125 185 540 403 654 1526 750 512 Runoff 458 345 451 231 125 420 451 265 485 64 (km3/month)
Q#3: The following are the daily pan evaporation data in mm in a certain week. What is the evaporation loss of water (in Million cubic meter) in this week from a lake (surface area = 640 ha) in the vicinity, assuming a pan coefficient of 0.75? Day 1st 2nd 3rd 4th 5th 6th 7th Evaporation (mm) 9 9 12 8 7 9 9
Maximum rainfall and runoff depths (in cm) of a catchment spanning a period of 21 years are given below. Analyze the data to: Year Rain Runoff cm cm 1975 118 54 1976 98 45 1977 112 51 1978 97 41 1979 84 21 1980 91 32 1981 138 66 1982 89 25 1983 104 42 1984 80 11 1985 97 32 1986 75 17 1987 107 32 1988 75 15 1989 93 28 1990 129 48 1991 153 76 1992 92 27 1993 84 18 1994 121 52 1995 95 26 1) Calculate the exceedance probability, p and recurrence interval, Tp (years) of the observed data using Weibull distributionp = m/(n+1). 2) Develop a regression equation to estimate the return period for a given runoff and rainfall value. 3) Estimate the runoff and rainfall depth for 5, 10, 25, 100 and 500 return periods using the equations derived from question #2. NB Report your answers in three significant digits.
(b) Accumulated rainfall on seven (7) successive hours in a catchment were measured as 7, 15, 60, 81.5, 97.6, 120 and 120 cm. If the total runoff at the outlet was 15 cm, quantify the p-index. The annual rainfall record for station X and the average annual rainfall for three (3) nearby stations are shown in TABLE Q5(c). Test the uniformity of rainfall records for station X using double mass curve method, identify which year the inconsistency in the data starts and the correction factor. (c)

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