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Land Resource and Hydrological Inventory of MotanahalliSub-watershed for Watershed Planning and Development Yadgir Taluk, Yadgir District, Karnataka (AESR 6.2)

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Title Land Resource and Hydrological Inventory of MotanahalliSub-watershed for Watershed Planning and Development Yadgir 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
 
Subject Details of Hydrology, Rainfall and evaporation characteristics, Budyko curve, Water budget Rain water harvesting – Sujala-III Project
 
Description Not Available
Theaverageannualrainfallof887mmintheMotanahallisub-watershedasrecordedfromtheHattikunistationdata.
80%,12%and8%oftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability.
Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisinsustainablecondition.
Theestimatedrunoffavailabletouseis31mmforanaverageannualrainfallof830mm(2009-2017).Theutilizablegroundwateris49.7mm(70%of71mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(154mm)andutilizablerunoffplusrechargeis235(=31+154+50)
Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis531mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas664mm(i.e.125%ofAET).Thisdemandforthetwoseasonsishigherby429mm,i.e.(664-235).TheAETinJune-Septmonthsisonly50%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason.
ThetotalnumberofwellspresentinMotanahalliSub-watershedasperLRIdatais17Borewells.ThegroundwaterleveldataobtainedfromDept.ofMines&GeologyfortheneareststationAshnal.Thegroundwaterlevelduringtheyears2011-2017wereslightlyvarying,whereasduringtheyear2014wasfoundconstant
Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project
 
Date 2021-07-24T13:22:21Z
2021-07-24T13:22:21Z
2019-12-31
 
Type Project Report
 
Identifier RajendraHegde,B.A.Dhanorkar,,S.Srinivas,K.V.Niranjana,R.S.ReddyandS.K.Singh(2019).“LandResourceandHydrologicalInventoryofMotanahalliSub-watershedforWatershedPlanningandDevelopment,YadgirTaluk,YadgirDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.31,ICAR–NBSS&LUP,RC,Bangalore.p.57.
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http://krishi.icar.gov.in/jspui/handle/123456789/49913
 
Language English
 
Relation 31;
 
Publisher ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Government of Karnataka (Sujala-III Project)