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
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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
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 |
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Date |
2021-07-24T13:22:21Z
2021-07-24T13:22:21Z 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).“LandResourceandHydrologicalInventoryofMotanahalliSub-watershedforWatershedPlanningandDevelopment,YadgirTaluk,YadgirDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.31,ICAR–NBSS&LUP,RC,Bangalore.p.57.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/49913 |
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Language |
English
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Relation |
31;
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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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