Land Resource Inventory and Hydrological Inventory of Malhar Sub-watershed for Watershed Planning and DevelopmentYadgir Taluk, Yadgir District, Karnataka (AESR 6.2)
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Title |
Land Resource Inventory and Hydrological Inventory of Malhar Sub-watershed for Watershed Planning and DevelopmentYadgir Taluk, Yadgir District, Karnataka (AESR 6.2)
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Creator |
RajendraHegde,B.A.Dhanorkar,,S.Srinivas,K.V.Niranjana,R.S.ReddyandS.K.Singh
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Subject |
Details of Hydrology, Rainfall and evaporation characteristics, Budyko curve, Water budget Rain water harvesting – Sujala-III Project.
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Description |
Not Available
Theaverageannualrainfallof887mmintheMalharsub-watershedasrecordedfromtheBalichakrastationdata. 80%,13%and8%oftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis12mmforanaverageannualrainfallof622mm(2009-2017).Theutilizablegroundwateris49.7mm(70%of71mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(479mm)andutilizablerunoffplusrechargeis541(=479+12+50) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis515mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas644mm(i.e125%ofAET).Thisdemandforthetwoseasonsishigherby103mm,i.e.(644-541).TheAETinJune-Septmonthsisonly59%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThetotalnumberofwellspresentinMalharSub-watershedasperLRIdatais17Borewells.ThegroundwaterleveldataobtainedfromDept.ofMines&GeologyfortheneareststationBalichakra.Thegroundwaterlevelduringtheyears2011-2017wereslightlyvarying,whereasduringtheyear2014wasfoundconstant Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project. |
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Date |
2021-07-24T08:59:04Z
2021-07-24T08:59:04Z 2019-12-31 |
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Type |
Project Report
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Identifier |
RajendraHegde,B.A.Dhanorkar,,S.Srinivas,K.V.Niranjana,R.S.ReddyandS.K.Singh(2019).“LandResourceandHydrologicalInventoryofMalharSub-watershedforWatershedPlanningandDevelopment,YadgirTaluk,YadgirDistrict,Karnataka”,SujalaSWS-LRIAtlasNo.65,ICAR–NBSS&LUP,RC,Bangalore.p.57.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/49821 |
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Language |
English
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Relation |
65;
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Publisher |
ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Government of Karnataka (Sujala-III Project)
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