Point rainfalls due to a storm at several rain-gauge stations in a basin are shown in Fig. 3.16. Determinethe mean areal depth of rainfall over the basin.8 cm6 cmArea(km')410zone8 cm900zana VIN (9.2)28501750720550IIIVO (7.4 cmD (9.2VA (8.6)(8.5)L (5.2)VIH (5)E (138)(5.6)K (7.8Area of the Basin = 7180 kmB (7F (10.4I (11.2)J (9.010 omzoneFigure 3.16 Isohyetal Map

mean depth is given byPm=P0+P12A1+P1+P22A2+P2+P32A3+P3+P42A4+P4+P52A5+P5+P62A6A1+A2+A3+A4+A5+A6here…

Point rainfalls due to a storm at several rain-gauge stations in a basin are shown in Fig. 3.16. Determine the mean areal depth of rainfall over the basin. Area(km") zone 410 900 2850 1750 720 550 N(92) III O 04 cm D (92 IV A (86) a.5) L (52) VI 56) Area of the Basin - 7180 km E (1) K (7 F (10.4 I (1.2) 10 om Figure 3.16 Isohyetal Map

Point rainfalls due to a storm at several rain-gauge stations in a basin are shown in Fig. 3.16. Determine the mean areal depth of rainfall over the basin. Area(km") zone 410 900 2850 1750 720 550 N(92) III O 04 cm D (92 IV A (86) a.5) L (52) VI 56) Area of the Basin - 7180 km E (1) K (7 F (10.4 I (1.2) 10 om Figure 3.16 Isohyetal Map

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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Probability, risk and uncertainty analysis for hydrological design

It gives a framework that is financially critical for finding the exceptional designs of hydrological systems with a reduced cost in total inclusive of the project cost and the disaster mitigation cost. But there would be hardly any assessment of a decent quality damage function. Hence, errors in demonstrating the hydrologic events, incorrect model parameters, and so on may occur. Here, we will discuss a specific hydrological design that of a detention basin for studying and understanding the risk-based procedure, uncertainties, and probability analysis by following a systematic framework.

Question

Point rainfalls due to a storm at several rain-gauge stations in a basin are shown in Fig. 3.16. Determine
the mean areal depth of rainfall over the basin.
8 cm
6 cm
Area(km')
410
zone
8 cm
900
zana VI
N (9.2)
2850
1750
720
550
II
IV
O (7.4 cm
D (9.2
V
A (8.6)
(8.5)
L (5.2)
VI
H (5)
E (138)
(5.6)
K (7.8
Area of the Basin = 7180 km
B (7
F (10.4
I (11.2)
J (9.0
10 om
zone
Figure 3.16 Isohyetal Map

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