Question

What are the various techniques of water harvesting?

Answer 1

Hi

Rainwater harvesting is the collection and storage of rainwater for reuse on-site, rather than allowing it to run off.

There are three main types of rainwater harvesting system: direct pumped, indirect pumped, and indirect gravity.

Methods of Rainwater Harvesting-

In urban area rainwater flows away as surface runoff. This runoff could be caught and used for recharging aquifers by adopting appropriate methods.

1. Surface runoff harvesting.

In urban area rainwater flows away as surface runoff. This runoff could be caught and used for recharging aquifers by adopting appropriate methods.

2. Rooftop rainwater harvesting

It is a system of catching rainwater where it falls. In rooftop harvesting, the roof becomes the catchments, and the rainwater is collected from the roof of the house/building. It can either be stored in a tank or diverted to artificial recharge system. This method is less expensive and very effective and if implemented properly helps in augmenting the groundwater level of the area.

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Answer 2

HI friend..

Many techniques have been used by various beneficiaries to harvest and store water including (a) channel reservoir, (b) on-farm reservoir (local name of Embung), (c) infiltration ditches, (d) check dams, (e) infiltration well (local name of Sumur Resapan), and (d) water harvesting dikes.

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