Question

What are the two ways in which rain water harvesting can be done?
YES

Answer 1

Answer:

Explanation:

1. Surface runoff harvesting

In urban areas, 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 an  artificial recharge system. This method is less expensive and very effective and if implemented properly helps in augmenting the groundwater level of the area.