Question

Write a short note on rainwater harvesting.​

Answer 1

Answer:

Alauddin water to go into the ground through roadside range that collect rainwater in this method rainwater during rains is collected from roof top of a storage tank we can allowed the Pi to go directly into the PIT in the ground then see into the soil to recharge auraphyll the groundwater

Answer 2

Answer:

✪ What is Rainwater harvesting?

➟ Rainwater harvesting is the simple process or technology used to conserve Rainwater by collecting, storing, conveying and purifying of Rainwater that runs off from rooftops, parks, roads, open grounds, etc. for later use.

✪ How to Harvest the Rainwater?

➟ Rainwater harvesting systems consists of the following components:

• Catchment- Used to collect and store the captured Rainwater.
• Conveyance system – It is used to transport the harvested water from the catchment to the recharge zone.
• Flush- It is used to flush out the first spell of rain.
• Filter – Used for filtering the collected Rainwater and remove pollutants.
• Tanks and the recharge structures: Used to store the filtered water which is ready to use.

☘ The process of rainwater harvesting involves the collection and the storage of rainwater with the help of artificially designed systems that run off naturally or man-made catchment areas like- the rooftop, compounds, rock surface, hill slopes, artificially repaired impervious or semi-pervious land surface.

❉ Several factors play a vital role in the amount of water harvested. Some of these factors are:

• The quantum of runoff
• Features of the catchments
• Impact on the environment
• Availability of the technology
• The capacity of the storage tanks
• Types of the roof, its slope and its materials
• The frequency, quantity and the quality of the rainfall
• The speed and ease with which the Rainwater penetrates through the subsoil to recharge the groundwater.

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