Question: A. A storm with 20 cm of precipitation produced a surface runoff of 11.6 cm. Estimate the B index of the storm if the data recorded is as follows: Storm time (h) 1 2 3 4 5 6. 7 8 Rainfall intensity (cm/h) 0.8 1.8 3.0 4.6 3.6 3.2 2.0 1.0 B. Estimate the runoff volume from an area receiving 5 inches of rainfall. The antecedent soil-moisture condition Il is assumed valid. The soil vegetation land use complex of the area is; LAND USE / CONDITION RESIDENTIAL (1/2 ACRE LOTS) SOIL GROUP C WOODED: POOOR COVER MEADOW: GOOD CONDITION OPEN SPACE: GOOD CONDITION D C. Recompute the runoff from the watershed if the wet conditions of Antecedent Moisture Condition IIl are applicable.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Subject: ( Hydrology and water Resources management )

Question:
A. A storm with 20 cm of precipitation produced a surface runoff of 11.6
cm. Estimate the B index of the storm if the data recorded is as follows:
Storm time (h)
1 2 3
4
6.
7
8
Rainfall intensity (cm/h)
0.8
1.8
3.0
4.6
3.6
3.2
2.0
1.0
B. Estimate the runoff volume from an area receiving 5 inches of rainfall.
The antecedent soil-moisture condition Il is assumed valid. The soil
vegetation land use complex of the area is;
LAND USE / CONDITION
RESIDENTIAL (1/2 ACRE LOTS)
SOIL GROUP
C
WOODED: POOR COVER
MEADOW: GOOD CONDITION
D
OPEN SPACE: GOOD CONDITION
D
C. Recompute the runoff from the watershed if the wet conditions of
Antecedent Moisture Condition III are applicable.
Transcribed Image Text:Question: A. A storm with 20 cm of precipitation produced a surface runoff of 11.6 cm. Estimate the B index of the storm if the data recorded is as follows: Storm time (h) 1 2 3 4 6. 7 8 Rainfall intensity (cm/h) 0.8 1.8 3.0 4.6 3.6 3.2 2.0 1.0 B. Estimate the runoff volume from an area receiving 5 inches of rainfall. The antecedent soil-moisture condition Il is assumed valid. The soil vegetation land use complex of the area is; LAND USE / CONDITION RESIDENTIAL (1/2 ACRE LOTS) SOIL GROUP C WOODED: POOR COVER MEADOW: GOOD CONDITION D OPEN SPACE: GOOD CONDITION D C. Recompute the runoff from the watershed if the wet conditions of Antecedent Moisture Condition III are applicable.
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