Assumptions $($i$)$ The rainfall intensity is assumed

Le uniform over the entrice eatchment.

$($ii$)$ Linear response of flow to precipitation

$($principle of superposition is applicable$).$

Question

Catchment Arrea $=423k{m}^2$

Storm auration $6$ hr $.$

$(1)6$ hre unit hydrogragh

$($a$)12$ hre unit hydrograph.

$(3)3-$hre unit hydrogragh

Solution