Land Resource and Hydrological Inventory of IndargiSub-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 IndargiSub-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
Theaverageannualrainfallof631mmintheIndargisub-watershedasrecordedfromtheKoppalstationdata. 65%,20%and15%oftheannualrainfalloccursduringKharif,RabiandSummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis73mmforanaverageannualrainfallof596mm(2009-2017).Theutilizablegroundwateris31mm(70%of44mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(178mm)andutilizablerunoffplusrechargeis282(=178+31+73) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis550mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas687mm(i.e.125%ofAET).Thisdemandforthetwoseasonsishigherby405mm,i.e.(687-282).TheAETinJune-Septmonthsisonly47%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. Thetotalnumberofwellspresentinindargisub-watershedasperLRIdatais238(236-borewellsand2-openwell).ThegroundwaterlevelshownaboveisfromthedataobtainedfromDept.ofMines&GeologyfortheneareststationHonnahunsi. Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
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Date |
2021-07-25T02:04:42Z
2021-07-25T02:04:42Z 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).“LandResourceandHydrologicalInventoryofIndargiSub-watershed(SWs)forWatershedPlanningandDevelopment,KoppalTaluk,KoppalDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.7,ICAR–NBSS&LUP,RC,Bangalore.p.63.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/50056 |
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Language |
English
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Relation |
7;
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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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