Land Resource and Hydrological Inventory of IrakallagudaSub-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 IrakallagudaSub-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
Theaverageannualrainfallof631mmintheIrakallagudasub-watershedasrecordedfromtheKoppalstationdata. 68%,15%and16%oftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis39mmforanaverageannualrainfallof706mm(2009-2017).Theutilizablegroundwateris31mm(70%of44mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(194mm)andutilizablerunoffplusrechargeis264(=194+39+31) Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis513mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas641mm(i.e.125%ofAET).Thisdemandforthetwoseasonsishigherby377mm,i.e.(641-264).TheAETinJune-Septmonthsisalmost72%ofrainfall.Hence,thereisslightlylessopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThetotalnumberofwellspresentinIrakallagudasub-watershedasperLRIdatais291Borewells.ThegroundwaterlevelshownaboveisfromthedataobtainedfromDept.ofMines&GeologyfortheneareststationHonnahunsi. Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
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Date |
2021-07-25T02:05:06Z
2021-07-25T02:05:06Z 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).“LandResourceandHydrologicalInventoryofIrakallagudaSub-watershed(SWs)forWatershedPlanningandDevelopment,KoppalTaluk,KoppalDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.8,ICAR–NBSS&LUP,RC,Bangalore.p.71.
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/50057 |
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Language |
English
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Relation |
8;
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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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