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ഉപരിതല ജലം

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{{Language-box|english_link=Water Portal / Rainwater Harvesting / Surface water | french_link=Eaux superficielles |spanish_link=Aguas superficiales | hindi_link=वाटर पोर्टल / वर्षाजल संचयन / सतही जल |malayalam_link=ഉപരിതല ജലം | swahili_link=coming soon| korean_link=coming soon | chinese_link=地表水（中文） | indonesian_link=Panen Air Hujan / Air Permukaan | japanese_link= 地表水}}( Malayalam language version of article -Surface water - general )

നേരിട്ട് സംഭരിക്കപ്പെടാതെ പോകുന്ന മഴവെള്ളവും, കൃഷിക്ക് ഉപയോഗിച്ചതും, തറയിലേക്ക് വലിച്ചെടുക്കപ്പെടുന്നതുമായ ജലമാണ് ഉപരിതല ജലം. മഴ പെയ്ത ശേഷം ഇടവിട്ടൊഴുകുന്ന അരുകികളില്‍ നിന്നും, ചതുപ്പു പ്രദേശങ്ങളില്‍ നിന്നും ഒഴുകിപ്പോകുന്ന മഴവെള്ളത്തെ കുളങ്ങളിലോ, സംഭരണികളിലോ സംഭരിക്കുകയാണ് ഉപരിതല ജലസംഭരണത്തിനുള്ള മാര്‍ഗ്ഗം. ഇങ്ങനെ സംഭരിക്കുന്ന വെള്ളം പിന്നീട് ഗാര്‍ഹികാവശ്യങ്ങള്‍ക്കും (ശുദ്ധീകരണം ആവശ്യമാണ്), ജലസേചനത്തിനും, കന്നുകാലികള്‍ക്കുമെല്ലാം ഉപയോഗപ്പെടും. ഭൂമിക്കടിയില്‍ സംഭരിക്കപ്പെടുന്ന വെള്ളം തുറന്ന സംഭരണികളെ അപേക്ഷിച്ച് വെള്ളം ആവിയായി നഷ്ടപ്പെടുന്നത് തടുക്കും.

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|style="background:#efefef;"|[[Image:dam icon.png|center|80px|link=Water Portal / Rainwater Harvesting / Surface water / Catchment and storage dams]]|style="background:#efefef;"|[[Image:Tyrolean_weir_icon.png|center|80px|link=Water Portal / Rainwater Harvesting / Surface water / Tyrolean weir]]|style="background:#efefef;"|[[Image:runoff icon.png|center|80px|link=Water Portal / Rainwater Harvesting / Surface water / Road runoff harvesting]]|style="background:#efefef;"|[[Image:micro hydro icon.png|center|80px|link=Water Portal / Rainwater Harvesting / Surface water / Micro hydropower]]

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|style="background:#efefef;"|[[Image:Catchment dam small.jpg|center|120px|link=Water Portal / Rainwater Harvesting / Surface water / Catchment and storage dams]] |style="background:#efefef;"|[[Image:Tyrolean_weir_small.JPG|center|120px|link=Water Portal / Rainwater Harvesting / Surface water / Tyrolean weir]]|style="background:#efefef;"|[[Image:road runoff small.jpg|center|120px|link=Water Portal / Rainwater Harvesting / Surface water / Road runoff harvesting]]|style="background:#efefef;"|[[Image:woman micro hydro small.jpg|center|120px|link=Water Portal / Rainwater Harvesting / Surface water / Micro hydropower]]

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|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Water Portal / Rainwater Harvesting / Surface water / Catchment and storage dams|Catchment and <br>storage dams]]</div>|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Water Portal / Rainwater Harvesting / Surface water / Tyrolean weir | Tyrolean weir]]</div>|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Water Portal / Rainwater Harvesting / Surface water / Road runoff harvesting | Road runoff harvesting]]</div>|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Water Portal / Rainwater Harvesting / Surface water / Micro hydropower | Micro hydropower]]</div>

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* CARE Nederland, ''Desk Study Resilient WASH systems in drought prone areas''. October 2010.

* Large wiki on water use for agriculture: [http://agropedia.iitk.ac.in/ Agropedia]

 

===This article in other languages===

[[Surface water - general|English]]

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