4. Assuming that all groundwater runoff to the oceans comes from fresh groundwater, calculate the average residence time of this water. 28468 years Ob. 497.87 years Oc 4786.4 years Od. 10636 years None

4. Assuming that all groundwater runoff to the oceans comes from fresh groundwater, calculate the average residence time of this water. 28468 years Ob. 497.87 years Oc 4786.4 years Od. 10636 years None

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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Concept explainers

Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.

Question

4. Assuming that all groundwater runoff to the oceans comes from fresh groundwater, calculate the average
residence time of this water.
O a.
28468 years
497.87 years
Oc.
4786.4 years
Od.
10636 years
O e.
None

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4. Assuming that all groundwater runoff to the oceans comes from fresh groundwater, calculate the average residence time of this water.. A) 28468 years B) 497.87 years C) 4786.4 years Dj 10636 years E) None of the above
A catchment is divided into three zones with area of each zone as 100 km²,3000 km² and 3000 km². Cumulative average rainfall (in mm) in different zones is given as: Time (hrs) 24680 10 Zone I 8 14 23 35 48 Zone II 5 11 18 28 40 Zone III 27228 12 21 30 Draw the maximum average depth vs. area plot for the duration of 2 hours, 4 hours and 6 hours.
4. Assuming that all groundwater runoff to the oceans comes from fresh groundwater, calculate the average residence time of this water.. A) 28468 years B) 497.87 years C) 4786.4 years D) 10636 years E) None of the above
WQI -0.22 SIDO 0.19SIBOD 16SICOD+01SSIAN +016 SISS 0.12Slp The sub-indices of several water quality parameters on a raw river water are as follows: Parameter Value Sub Indes S) Equation SICOD-99.I-133 X SICOD-103e COD: 92, BOD: 93, AN: 85, SS: 87, pH: 98, DO: 100 COD EXS20 IrX>20 SIBOD-1004-432 X SIBOD-108e 01X SIAN-100.S-105 X SIAN- 94 e -Sx-2) BOD AN Determine the WQI of the river water. r03
WQI -0.22 SIDO+0.19 SIBOD+0.16 SICOD+01SSIAN + 0.16 SISS+ 0.12 SipH The result of water quality analysis on a raw river water are as follows: UTM Parameter Value Sub Indes (SI) Equation SICOD-99.1-1.33 X SICOD-10Be SIBOD-100.4-4.32 X SIBOD-108 e 01X SIAN - 100.5 - 1O5 X SIAN =94e -SX-2) SIAN- SISS-975e 01X SISS-71 e -0.01S X SISS-e Sipl-172-172X+ 5.02 X Sipl-242+95.5 X-667 X SipH--181 +24X-6.05 X Sipl- S36-7x+276 X COD: 35 mg/L, BOD: 7 mg/L, AN: 2.5 mg/L, SS: 475 mg/L, pH: 5, DO: 5 mg/L COD IfXS20 IfX>20 BOD Irxss AN Calculate the sub-index of ammoniacal nitrogen and acidity of the river water. are38 Q Zoom 20 and 57 B 20 and 69 C O and 69 O and 57
1
Only physical and chemical properties of water should be taken into account when evaluating irrigation water quality Select one: True O False
I need the answer as soon as possible
Below is a square basin with a single length of 3180 meters. Watershed8 hours for 5 stations at their corners (a, B, C, D) and at their full midpoint (E)Hyetographs of rainfall Figure 4. is also given. Average rainfall of the basin based on information givencalculate its height using the Thiessen method.(T=159)
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21
Q4: Following is shown map of catchment having 12 rainfall stations. Find the Average Precipitation over the whole Catchment. Solve the interior square by Isohyetal method and remaining with Theisen Polygon Method. Y Km x 4 Km Aineg = P,='45 mn 2 km x 2km Piy = lormm Pg 70mm Py.- 6omm Psz 65 mm Ps- 20mm Prz 75am