Derive and plot 3-hour Unit hydrograph for a stream which drains an area of around (401) km2. Time-discharge data of the storm is given is in Table. Assume the base flow as 2 m3 /sec. Time (Hrs.) 0 3 Flow (m³/s) 2 6 6 9 12 15 18 21 24 11 13 10 8 6 4 2

Derive and plot 3-hour Unit hydrograph for a stream which drains an area of around (401) km2. Time-discharge data of the storm is given is in Table. Assume the base flow as 2 m3 /sec. Time (Hrs.) 0 3 Flow (m³/s) 2 6 6 9 12 15 18 21 24 11 13 10 8 6 4 2

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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Concept explainers

Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.

Question

Derive and plot 3-hour Unit hydrograph for a stream which
drains an area of around (401) km2. Time-discharge data of the
storm is given is in Table. Assume the base flow as 2 m3 /sec.
Time (Hrs.) 0
3
Flow (m³/s) 2 6
6
9
11 13
12 15 18 21
10 8 6
4
24
2

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