Question

what rooftoprain water harvesting .write its tecnique​

Answer 1

Answer:

The two techniques of rooftop rainwater harvesting, are:

Rain water collection from the buildings rooftop through pipes into an underground tank. The wells are used for accomdating the excess of water collected through rainfall in recharging groundwater. These were the two techniques of rooftop rainwater harvesting

Explanation:

Answer 2

Explanation:

Harvested rain water can be stored in sub-surface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks. Roof top rain water harvesting is the most common practice in Shillong.....