Land Resource and Hydrological Inventory of BewanahalliSub-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 BewanahalliSub-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
Theaverageannualrainfallof887mmintheBewanahallisub-watershedasrecordedfromtheGurmatkalstationdatabyKSNDMC. 75percent,14percentand11percentoftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis24mmforanaverageannualrainfallof919mm(2009-2017).Theutilizablegroundwateris49.7mm(70%of71mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(133mm)andutilizablerunoffplusrechargeis207(=133+24+50) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis540mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas675mm(i.e125%ofAET).Thisdemandforthetwoseasonsishigherby468mm,i.e.(675-207).TheAETinJune-Septmonthsisonly47%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThetotalnumberofwellspresentinBewanahalliSub-watershedasperLRIdatais10(9-Borewells&1-Openwell).ThegroundwaterlevelwasfoundfromthedataobtainedfromKSNDMCfortheneareststationBalichakra.Deepestlevelswerefoundin2013. Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
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Date |
2021-07-25T02:10:02Z
2021-07-25T02:10:02Z 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).“LandResourceandHydrologicalInventoryofBewanahalliSub-watershedforWatershedPlanningandDevelopment,YadgirTaluk,YadgirDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.19,ICAR–NBSS&LUP,RC,Bangalore.p.60.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/50068 |
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Language |
English
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Relation |
19;
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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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