1. Draw the different components of stream flowhydrograph. What are the limitations of unithydrograph?2 A 24 hour storm occurred over a catchment of21.5 km area and the total rainfall observed was10 cm. An infiltration capacity curve preparedhad the initial infiltration capacity of 1 cm/hr andattained a constant value of 0.3 cm/hr after 15hours of rainfall with a Horton's constant k =5/hr. An evaporation pan installed in thecatchment indicated a decrease of 0.5 cm in thewater level (after allowing for rainfall) during 24hours of its operation. Other losses were found tobe negligible. Determine the runoff from thecatchment area. Assume a pan coefficient of 0.65.3. Route the inflow hydrograph usingMuskingum method; hr, = 0.2, = 0.65 hrs.Time01 2 3 4 5 6 7 8 9 10 11 1213(hr)Inflow 08811013322326523518015513211198550(cumec)4. What are the standard rain-gauge density fordifferent land topographical conditions? Brieflydescribe the isohyet method for precipitationmeasurement.5. What is remote sensing? What are thecommon characteristics of water resources data?

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Engineering

Civil Engineering

1. Draw the different components of stream flow hydrograph. What are the limitations of unit hydrograph?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

1. Draw the different components of stream flow
hydrograph. What are the limitations of unit
hydrograph?
2 A 24 hour storm occurred over a catchment of
2
1.5 km area and the total rainfall observed was
10 cm. An infiltration capacity curve prepared
had the initial infiltration capacity of 1 cm/hr and
attained a constant value of 0.3 cm/hr after 15
hours of rainfall with a Horton's constant k =
5/hr. An evaporation pan installed in the
catchment indicated a decrease of 0.5 cm in the
water level (after allowing for rainfall) during 24
hours of its operation. Other losses were found to
be negligible. Determine the runoff from the
catchment area. Assume a pan coefficient of 0.65.
3. Route the inflow hydrograph using
Muskingum method; hr, = 0.2, = 0.65 hrs.
Time
01 2 3 4 5 6 7 8 9 10 11 1213
(hr)
Inflow 08811013322326523518015513211198550
(cumec)
4. What are the standard rain-gauge density for
different land topographical conditions? Briefly
describe the isohyet method for precipitation
measurement.
5. What is remote sensing? What are the
common characteristics of water resources data?

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