Land Resource and Hydrological Inventory of KerehalliSub-watershed for Watershed Planning and Development Koppal Taluk, Koppal District, Karnataka (AESR 3.0)
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Title |
Land Resource and Hydrological Inventory of KerehalliSub-watershed for Watershed Planning and Development Koppal Taluk, Koppal District, Karnataka (AESR 3.0)
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Creator |
RajendraHegde,K.V.Niranjana,S.Srinivas,B.A.Dhanorkar,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
Theaverageannualrainfallof631mmintheKerehallisub-watershedasrecordedfromtheIrakallagadastationdatabyKSNDMC. 68percent,15percentand17percentoftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis27mmforanaverageannualrainfallof706mm(2009-2017).Theutilizablegroundwateris31mm(70%of44mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(192mm)andutilizablerunoffplusrechargeis250(=192+31+27) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis553mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas691mm(i.e125%ofAET).Thisdemandforthetwoseasonsishigherby441mm,i.e.(691-250).TheAETinJune-Septmonthsis77%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThetotalnumberofwellspresentinKerehalliSub-watershedasperLRIdataare186(168-Borewellsand18-Openwells).ThegroundwaterlevelwasfoundfromthedataobtainedfromKSNDMCfortheneareststationHonnahunsi.Deepestlevelwasfoundin2008. Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
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Date |
2021-07-25T02:07:15Z
2021-07-25T02:07:15Z 2019-12-31 |
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Type |
Project Report
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Identifier |
RajendraHegde,K.V.Niranjana,S.Srinivas,B.A.Dhanorkar,R.S.ReddyandS.K.Singh(2019).“LandResourceandHydrologicalInventoryofKerehalliSub-watershed(SWs)forWatershedPlanningandDevelopment,KoppalTaluk,KoppalDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.13,ICAR–NBSS&LUP,RC,Bangalore.p.66.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/50062 |
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Language |
English
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Relation |
13;
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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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