Land Resource and Hydrological Inventory of Ivni Sub-watershed for Watershed Planning and Development Chitapur Taluk, KalaburgiDistrict, Karnataka (AESR 6.2)
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Title |
Land Resource and Hydrological Inventory of Ivni Sub-watershed for Watershed Planning and Development Chitapur Taluk, KalaburgiDistrict, Karnataka (AESR 6.2)
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Creator |
RajendraHegde,B.A.Dhanorkar,S.Srinivas,K.M.Nair,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
Theaverageannualrainfallof759mmintheIvnisub-watershedasrecordedfromtheGundgurthistationdatabyKSNDMC. 75%,13%and12%oftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis2mmforanaverageannualrainfallof855mm(2009-2017).Theutilizablegroundwateris37mm(70%of53mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(197mm)andutilizablerunoffplusrechargeis236(=197+37+2) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis522mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas652mm(i.e125%ofAET).Thisdemandforthetwoseasonsishigherby416mm,i.e.(652-236).TheAETinJune-Septmonthsisonly50%ofrainfall.Hence,thereisagoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThegroundwaterlevelwasfoundfromthedataobtainedfromKSNDMCfortheneareststationGundgurthi.Thegroundwaterlevelsduringtheyears2008-2017wasslightlyvaryingexceptMay2016. Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
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Date |
2021-07-24T08:38:39Z
2021-07-24T08:38:39Z 2019-12-31 |
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Type |
Project Report
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Identifier |
RajendraHegde,B.A.Dhanorkar,S.Srinivas,K.M.Nair,K.V.Niranjana,R.S.ReddyandS.K.Singh(2016).“LandResourceandHydrologicalInventoryofIvniSub-watershedforWatershedPlanningandDevelopment,ChitapurTaluk,KalaburagiDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.84,ICAR–NBSS&LUP,RC,Bangalore.p.65
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/49803 |
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Language |
English
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Relation |
84;
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Publisher |
ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Govt. of Karnataka (Sujala-III Project)
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