Infilteration indices | Infiltration | Hydrology- GATE

In this video, we will discuss the concept of infiltration indices and how they are used in hydrology.

Infiltration indices are parameters that are used to measure the rate at which water infiltrates into the soil. This information is important for a number of reasons, including:

Designing drainage systems: Infiltration indices can be used to design drainage systems that are effective at preventing flooding.
Estimating groundwater recharge: Infiltration indices can be used to estimate the amount of water that is replenishing groundwater aquifers.
Predicting runoff: Infiltration indices can be used to predict the amount of runoff that will occur from a given rainfall event.
In this video, we will discuss two common infiltration indices:

The W-index: The W-index is the average rainfall intensity during the time that the rainfall intensity exceeds the infiltration rate.
The φ-index: The φ-index is the rainfall intensity that is equal to the infiltration rate.
We will also discuss how infiltration indices are used in the Horton infiltration equation.

This video is relevant for GATE preparation.


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