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Hydrology & Irrigation

Muskingum Method

The Muskingum...

Question

The Muskingum model of routing a flood through a stream reach is expressed as $O_{2} = K_{0} I_{2} + K_{1} I_{1} + K_{2} O_{1}$ where $K_{0}, K_{1}$ , and $K_{2}$ are routing coefficient for the concerned reach; $I_{1}$ and $I_{2}$ are the inflows to the reach and $O_{1}$ and $O_{2}$ are the outflows from the reach corresponding to time steps 1 and 2 respectively. The sum of $K_{0}, K_{1}$ and $K_{2}$ of the model is

A

-1

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B

-0.5

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C

0.5

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D

1

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Solution

The correct option is D 1
$O_{2} = K_{0} I_{2} + K_{1} I_{1} + K_{2} O_{1}$
$K_{0} + K_{1} + K_{2} = 1$

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