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 |
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Creator |
Rajendra Hegde, K.V.Niranjana, S.Srinivas, B.A.Dhanorkar, R.S.Reddy and S.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
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 |
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Date |
2021-07-25T02:03:01Z
2021-07-25T02:03:01Z 2019-12-31 |
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Type |
Project Report
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Identifier |
Not Available
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/50052 |
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Language |
English
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Relation |
03;
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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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