There are 10 raingauge stations available to calculate the rainfall characteristics of a catchment whose shape can be approximately described by straight lines joining the following coordinates (distances in kilometres): (30, 0), (80, 10), (110, 30), (140, 90), (130, 115), (40, 110), (15, 60). Coordinates of the raingauge stations and the annual rainfall recorded in them in the year 1981 are given below. Station 1 3 4 5 Co-ordinates (0, 40) (50, 0) (140, 30) (140, 80) (90, 140) Annual Rainfall (cm) 132 136 93 81 85 Station 7 8 10 Co-ordinates (0, 80) (40, 50) (90, 30) (90, 90) (40, 80) Annual Rainfall (cm) 124 156 128 102 128

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Determine the average annual rainfall overt the watershed

There are 10 raingauge stations available to calculate the rainfall characteristics of a
catchment whose shape can be approximately described by straight lines joining the
following coordinates (distances in kilometres):
(30, 0), (80, 10), (110, 30), (140, 90), (130, 115), (40, 110), (15, 60). Coordinates of the
raingauge stations and the annual rainfall recorded in them in the year 1981 are given
below.
Station
1
2
3
4
5
Co-ordinates
(0, 40)
(50, 0)
(140, 30)
(140, 80)
(90, 140)
Annual
Rainfall (cm)
132
136
93
81
85
Station
7
9.
10
Co-ordinates
(0, 80)
(40, 50)
(90, 30)
(90, 90)
(40, 80)
Annual
Rainfall (cm)
124
156
128
102
128
Transcribed Image Text:There are 10 raingauge stations available to calculate the rainfall characteristics of a catchment whose shape can be approximately described by straight lines joining the following coordinates (distances in kilometres): (30, 0), (80, 10), (110, 30), (140, 90), (130, 115), (40, 110), (15, 60). Coordinates of the raingauge stations and the annual rainfall recorded in them in the year 1981 are given below. Station 1 2 3 4 5 Co-ordinates (0, 40) (50, 0) (140, 30) (140, 80) (90, 140) Annual Rainfall (cm) 132 136 93 81 85 Station 7 9. 10 Co-ordinates (0, 80) (40, 50) (90, 30) (90, 90) (40, 80) Annual Rainfall (cm) 124 156 128 102 128
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