A catchment has four sub-areas. The annual precipitation and evaporation from each of the sub-areas are given below. Assume that there is no change in the groundwater storage on an annual basis and calcu- late for the whole catchment the values of annual average Sub-area Area Annual precipitation Annual evaporation Mm? mm mm A 10.7 1030 530 3.0 830 438 C 8.2 900 430 D 17.0 1300 600 (A) 0.581 (в) 0.158 0.518 0.851
A catchment has four sub-areas. The annual precipitation and evaporation from each of the sub-areas are given below. Assume that there is no change in the groundwater storage on an annual basis and calcu- late for the whole catchment the values of annual average Sub-area Area Annual precipitation Annual evaporation Mm? mm mm A 10.7 1030 530 3.0 830 438 C 8.2 900 430 D 17.0 1300 600 (A) 0.581 (в) 0.158 0.518 0.851
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:A catchment has four sub-areas. The annual precipitation and evaporation from each of
the sub-areas are given below.
Assume that there is no change in the groundwater storage on an annual basis and calcu-
late for the whole catchment the values of annual averz ge
Sub-area
Area
Annual precipitation
Annual evaporation
Mm?
mm
mm
10.7
1030
530
3.0
830
438
8.2
900
430
17.0
1300
600
A) 0.581
B) 0.158
C) 0.518
D) 0.851
ABCD
© O O O
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