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Land Resource and Hydrological Inventory of ChukkanakalluSub-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 ChukkanakalluSub-watershed for Watershed Planning and Development Koppal Taluk, Koppal District, Karnataka (AESR 3.0)
Not Available
 
Creator Rajendra Hegde, K.V.Niranjana, S.Srinivas, B.A.Dhanorkar, R.S.Reddy and S.K.Singh
 
Subject Details of Hydrology, Rainfall and evaporation characteristics, Budyko curve, Water budget Rain water harvesting – Sujala-III Project
 
Description Not Available
Theaverageannualrainfallof631mmintheChukkanakallusub-watershedasrecordedfromtheKoppalstationdatabyKSNDMC.
65percent,20percentand15percentoftheannualrainfalloccursduringkharif,rabiandSummerseasonsrespectivelyandexhibitedahighertemporalvariability.
TheevapotranspirationestimationtooldevelopedindicatedthatthewatershedwaterbalanceisabouttocrosssustainablelimitasaverageETalmostapproachedtheaverageannualrainfall.
Theestimatedrunoffavailabletouseis58mmforanaverageannualrainfallof596mm(2009-2017).Theutilizablegroundwateris145mm(70%of207mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(0mm)andutilizablerunoffplusrechargeis203(=145+58+0)
Theaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesforthekharifandrabiseasonsis541mm.Hencetheamountofwateruseforkharifandrabiseasonsmaybeestimatedas676mm(i.e.125%ofAET).Thisdemandforthetwoseasonsishigherby473mm,i.e.(676-203).TheAETinJune-Septmonthsis70%ofrainfall.Hence,thereisslightlylessopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason.
ThetotalnumberofwellspresentinChukkanakalluSub-watershedasperLRIdatais161.Theabovegraphdepictsthegroundwaterlevelsduringtheyears2008-2009wasdeclinedwhereasgroundwaterlevelsin2010-2016wasincreasedandgraduallydecreasedin2017.
Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project
 
Date 2021-07-25T02:03:01Z
2021-07-25T02:03:01Z
2019-12-31
 
Type Project Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/50052
 
Language English
 
Relation 03;
 
Publisher ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Government of Karnataka (Sujala-III Project)