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Land Resource and Hydrology Inventory of Pillahalli Sub-watershed for Watershed Planning and Development Gubbi Taluk, Tumkur District, Karnataka (AESR 8.2)

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Title Land Resource and Hydrology Inventory of Pillahalli Sub-watershed for Watershed Planning and Development Gubbi Taluk, Tumkur District, Karnataka (AESR 8.2)
Not Available
 
Creator RajendraHegde,K.V.Niranjana,S.Srinivas,K.M.Nair,B.A.Dhanorkar,R.S.ReddyandS.K.Singh
 
Subject Details of Hydrology, Rainfall and evaporation characteristics, Budyko curve, Water budget Rain water harvesting – Sujala-III Project.
 
Description Not Available
Theaverageannualrainfallof789mminthePillahallisub-watershedasrecordedfromtheChellurstationdata.
54%,29%and17%oftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability.
Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance.
Theestimatedrunoffavailabletouseis47mmforanaverageannualrainfallof740mm(2009-2017).Theutilizablegroundwateris38mm(70%of55mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(241mm)andutilizablerunoffplusrechargeis326(=241+47+38)
Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis580mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas725mm(i.e.125%ofAET).Thisdemandforthetwoseasonsishigherby399mm,i.e.(725-326).TheAETinJune-Septmonthsis97%ofrainfall.Hence,thereisslightlylessopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason.
ThetotalnumberofwellspresentinPillahalliSub-watershedasperLRIdatais136(133-Borewellsand3-Openwells).ThegroundwaterlevelshownaboveisfromthedataobtainedfromDept.ofMines&GeologyfortheneareststationSangenahalli.
Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project.
 
Date 2021-07-24T08:41:01Z
2021-07-24T08:41:01Z
2019-12-31
 
Type Project Report
 
Identifier RajendraHegde,K.V.Niranjana,S.Srinivas,K.M.Nair,B.A.Dhanorkar,R.S.ReddyandS.K.Singh(2017).“LandResourceInventoryofPillahalliSub-watershedforWatershedPlanningandDevelopment,GubbiTaluk,TumkurDistrict,Karnataka”,SujalaSWS-LRIAtlasNo.80,ICAR–NBSS&LUP,RC,Bangalore.p.51.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/49807
 
Language English
 
Relation 80;
 
Publisher ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Govt. of Karnataka (Sujala-III Project)