HydrologyThe following table gives values of measured discharges at a stream gauging site in a year. Upstream of the gauging site a weir built across the stream diverts 4.0 Mm^3 and 1.5 Mm^3 of water per month for irrigation and for use in an industry respectively. The return flows from the irrigation is estimated as 0.50 Mm^3 and from the industry at 0.40 Mm3 reaching the stream upstream of the gauging site. Estimate the natural flow. If the catchment area is 200 km^2 and the average annual rainfall is 200 cm, determine the runoff-rainfall ratio. PROBLEM IThe following table gives values of measured discharges at a stream gauging site in a year. Upstream ofthe gauging site a weir built across the stream diverts 4.0 Mm³ and 1.5 Mm³ of water per month forirrigation and for use in an industry respectively. The return flows from the irrigation is estimated as 0.50Mm³ and from the industry at 0.40 Mm³ reaching the stream upstream of the gauging site. Estimate thenatural flow. If the catchment area is 200 km² and the average annual rainfall is 200 cm, determine therunoff-rainfall ratio.Month| 23456789 10 || 1214.0 9.0 7.0 3.0Gauge flow (Mm³) 2.01.5 0.80.62.10.8 18.022.0

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Structural Analysis

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Chapter2: Loads On Structures

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Hydrology

The following table gives values of measured discharges at a stream gauging site in a year. Upstream of the gauging site a weir built across the stream diverts 4.0 Mm^3 and 1.5 Mm^3 of water per month for irrigation and for use in an industry respectively. The return flows from the irrigation is estimated as 0.50 Mm^3 and from the industry at 0.40 Mm3 reaching the stream upstream of the gauging site. Estimate the natural flow. If the catchment area is 200 km^2 and the average annual rainfall is 200 cm, determine the runoff-rainfall ratio.

PROBLEM I
The following table gives values of measured discharges at a stream gauging site in a year. Upstream of
the gauging site a weir built across the stream diverts 4.0 Mm³ and 1.5 Mm³ of water per month for
irrigation and for use in an industry respectively. The return flows from the irrigation is estimated as 0.50
Mm³ and from the industry at 0.40 Mm³ reaching the stream upstream of the gauging site. Estimate the
natural flow. If the catchment area is 200 km² and the average annual rainfall is 200 cm, determine the
runoff-rainfall ratio.
Month
| 2
3
4
5
6
7
8
9 10 || 12
14.0 9.0 7.0 3.0
Gauge flow (Mm³) 2.0
1.5 0.8
0.6
2.1
0.8 18.0
22.0

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