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Rᴀɪɴᴡᴀᴛᴇʀ Hᴀʀᴠᴇsᴛɪɴɢ Mᴇᴛʜᴏᴅs
Rᴀɪɴᴡᴀᴛᴇʀ ʜᴀʀᴠᴇsᴛɪɴɢ ɪs ᴀ ᴠᴇʀʏ sɪᴍᴘʟᴇ ᴍᴇᴛʜᴏᴅ ᴛʜᴀᴛ ᴄᴀɴ ʙᴇ ᴘʀᴀᴄᴛɪᴄᴇᴅ ʙʏ ᴀɴʏᴏɴᴇ. Tʜᴇʀᴇ ᴀʀᴇ ᴘʀɪᴍᴀʀɪʟʏ ᴛᴡᴏ ᴛʏᴘᴇs ᴏғ ʀᴀɪɴᴡᴀᴛᴇʀ ʜᴀʀᴠᴇsᴛɪɴɢ ᴍᴇᴛʜᴏᴅs. Tʜᴇ ғɪʀsᴛ ᴏɴᴇ ɪs sᴜʀғᴀᴄᴇ ʀᴜɴᴏғғ ʜᴀʀᴠᴇsᴛɪɴɢ. Iɴ ᴛʜɪs ᴍᴇᴛʜᴏᴅ, ᴛʜᴇ ᴡᴀᴛᴇʀ ᴛʜᴀᴛ ʀᴜɴs ᴏғғ ᴛʜᴇ sᴜʀғᴀᴄᴇ ɪs ғᴏᴄᴜsᴇᴅ ᴏɴ. Wᴇ sᴇᴇ ʜᴏᴡ ᴛʜᴇ sᴜʀғᴀᴄᴇ ʀᴜɴᴏғғ ᴄᴀᴜsᴇs ᴀ ʟᴏᴛ ᴏғ ʟᴏss ᴏғ ᴡᴀᴛᴇʀ. Hᴏᴡᴇᴠᴇʀ, ɪғ ᴡᴇ ᴍᴀᴋᴇ ᴘʀᴏᴘᴇʀ ᴀʀʀᴀɴɢᴇᴍᴇɴᴛs, ᴡᴇ ᴄᴀɴ ᴇᴠᴇɴ sᴀᴠᴇ ᴛʜᴀᴛ ᴡᴀᴛᴇʀ ᴛᴏ ᴜsᴇ ғᴏʀ ᴠᴀʀɪᴏᴜs ᴘᴜʀᴘᴏsᴇs.
Iɴ ᴛʜɪs ᴍᴇᴛʜᴏᴅ, ᴡᴇ ᴄᴀɴ ᴄᴏʟʟᴇᴄᴛ ᴛʜᴇ sᴜʀғᴀᴄᴇ ʀᴜɴᴏғғ ᴡᴀᴛᴇʀ ʙʏ ᴍᴀᴋɪɴɢ ᴀ ᴘᴀᴛʜ ᴛʜᴀᴛ ᴅɪʀᴇᴄᴛs ᴛᴏ ᴀ sᴛᴏʀᴀɢᴇ sᴘᴀᴄᴇ ʟɪᴋᴇ ᴀ ᴛᴀɴᴋ ᴏʀ ᴘᴏɴᴅ. Tʜɪs ᴄᴀɴ ʜᴇʟᴘ sᴛᴏʀᴇ ᴡᴀᴛᴇʀ ɪɴ ᴀ ʟᴀʀɢᴇ ᴀᴍᴏᴜɴᴛ ᴡʜɪᴄʜ ᴄᴀɴ ʙᴇ ᴜsᴇᴅ ʟᴀᴛᴇʀ ғᴏʀ ᴀ ʟᴏᴛ ᴏғ ᴡᴏʀᴋ. Eᴠᴇʀʏᴏɴᴇ ᴄᴀɴ ᴅᴇsɪɢɴ ᴀɴ ᴇғғɪᴄɪᴇɴᴛ sʏsᴛᴇᴍ ᴡʜɪᴄʜ ᴡɪʟʟ ᴄᴏʟʟᴇᴄᴛ ʟᴀʀɢᴇ ᴀᴍᴏᴜɴᴛs ᴏғ ᴡᴀᴛᴇʀ ғʀᴏᴍ ʀᴏᴀᴅs, ɢᴀʀᴅᴇɴs, ᴘᴀʀᴋs ᴀɴᴅ ᴍᴏʀᴇ. Iᴛ ᴡɪʟʟ ᴅᴇғɪɴɪᴛᴇʟʏ ʙᴇ ᴇɴᴏᴜɢʜ ᴛᴏ sᴜsᴛᴀɪɴ ᴀ ᴄᴏᴍᴍᴜɴɪᴛʏ ᴀɴᴅ ᴇᴠᴇɴ ᴀ ᴄɪᴛʏ ɪs ᴅᴇsɪɢɴᴇᴅ ᴏɴ ᴀ ʟᴀʀɢᴇʀ ʟᴇᴠᴇʟ.
Hᴏᴡᴇᴠᴇʀ, ᴛʜᴇ ʀᴜɴᴏғғ ᴡᴀᴛᴇʀ ᴡɪʟʟ ʜᴀᴠᴇ ᴀ ʟᴏᴛ ᴏғ ɪᴍᴘᴜʀɪᴛɪᴇs. Tʜᴇʀᴇғᴏʀᴇ, ɪᴛ ɪs ɪᴍᴘᴏʀᴛᴀɴᴛ ᴛᴏ ғɪʀsᴛ ғɪʟᴛᴇʀ ᴛʜᴇ ᴡᴀᴛᴇʀ ᴘʀᴏᴘᴇʀʟʏ sᴏ ɪᴛ ᴄᴀɴ ʙᴇ ʀᴇᴜsᴇᴅ ғᴏʀ ᴀʟʟ ᴘᴜʀᴘᴏsᴇs, ᴡʜᴇᴛʜᴇʀ ɪᴛ ɪs ᴅʀɪɴᴋɪɴɢ ᴏʀ ᴄᴏᴏᴋɪɴɢ.
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Mᴀʀᴋ ᴍᴇ ᴀs ʙʀᴀɪɴʟɪᴇsᴛ ❤❤
Water harvesting is a technique of increasing the recharge of ground water by capturing and storing rainwater locally in subsurface water reservoirs to meet the household needs. There are various reasons for water harvesting such as:
To meet the ever-increasing demand for water, reducing the run-off which chokes drains, avoid the flooding of roads. Apart from these augmenting of the ground water storage, raising water table, reducing groundwater pollution and soil erosion and supplementing domestic water requirement during summer and drought etc. are important reasons for water harvesting.
However, the water harvesting can be very beneficial where ground water levels are declining on regular basis and the availability of ground water is inadequate in lean months. This can be helpful in urban areas where due to rapid urbanization, infiltration of rain water into subsoil has decreased drastically and recharging of ground water has diminished.
There are several low cost techniques are available to recharge the ground water aquifers. Among them the water harvesting, refilling of dug wells recharging of hand pumps, construction of percolation pits, bunds and stop dams on small rivulets.
In urban areas, rainwater available from roof tops of buildings, paved and unproved areas goes waste. This water can be recharged to aquifers and can be utilized gainfully at the time of need. The rain water harvesting systems needs to be designed in a way that is does not occupy large space for collection and recharge system. The roof top rain water harvesting can be a very effective tool to fight the problem of water shortage particularly in urban areas.
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