more stations lying outside the watershed were found to have weightages. The details of Thiessen polygons surroundings each raingauge and the recording of the rainaguges in the month of July 2012 are given below Raingauge stations A
more stations lying outside the watershed were found to have weightages. The details of Thiessen polygons surroundings each raingauge and the recording of the rainaguges in the month of July 2012 are given below Raingauge stations A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
The watershed of a stream has five rain gauge stations inside the basin. When thiessen polygons were constructed ,three more stations lying outside the watershed were found to have weightages. The details of Thiessen polygons surroundings each raingauge and the recording of the rainaguges in the month of July 2012 are given below
Raingauge stations
A
B
C
D
E
F
G
H
Thiessen polygon area(km2)
720
1380
1440
1040
9000
2220
419
1456
Recorded rainfall in mm during july 2012
135
143
137
128
102
115
99
101
Stations B,D and F are outside the watershed. Determine the average depth of rainfall on the watershed in july 2012 by i) Arithmetic mean method ii) Thiession mean method.( (Apply
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