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http://krishi.icar.gov.in/jspui/handle/123456789/50069| Title: | Land Resource and Hydrological Inventory of RachanahalliSub-watershed for Watershed Planning and Development Yadgir Taluk, Yadgir District, Karnataka (AESR 6.2) |
| Other Titles: | Not Available |
| Authors: | RajendraHegde,B.A.Dhanorkar,,S.Srinivas,K.V.Niranjana,R.S.ReddyandS.K.Singh |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::National Bureau of Soil Survey and Land Use Planning |
| Published/ Complete Date: | 2019-12-31 |
| Project Code: | Not Available |
| Keywords: | Details of Hydrology, Rainfall and evaporation characteristics, Budyko curve, Water budget Rain water harvesting – Sujala-III Project |
| Publisher: | ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru & Watershed Development Department, Government of Karnataka (Sujala-III Project) |
| Citation: | RajendraHegde,B.A.Dhanorkar,,S.Srinivas,K.V.Niranjana,R.S.ReddyandS.K.Singh(2019).“LandResourceandHydrologicalInventoryofRachanahalliSub-watershedforWatershedPlanningandDevelopment,YadgirTaluk,YadgirDistrict,Karnataka”,SujalaSWs-LRIAtlasNo.20,ICAR–NBSS&LUP,RC,Bangalore.p.66. |
| Series/Report no.: | 20; |
| Abstract/Description: | Theaverageannualrainfallof887mmintheRachanahallisub-watershedasrecordedfromtheSydhapurastationdatabyKSNDMC. 77percent,15percentand8percentoftheannualrainfalloccursduringkharif,rabiandsummerseasonsrespectivelyandexhibitedahighertemporalvariability. Theevapotranspirationestimationtooldevelopedindicatesthatthewatershedwaterbalanceisindeficit.Thecropping&irrigationchoicesarenotappropriateandneedtobealteredtoshiftthedeficitwaterbalance. Theestimatedrunoffavailabletouseis126mmforanannualrainfallof776mm(2009-2017).Theutilizablegroundwateris49.7mm(70%of71mmrechargeestimated).Thismeansthetotalavailablewaterresourcecombiningthesoilmoisturestoreforkharif&rabi(220mm)andutilizablerunoffplusrechargeis395.7(=126+220+49.7)i.e.approximately396mm. TheaverageactualevapotranspirationestimatedinthewatershedbasedonthecurrentlanduseandirrigationpracticesfortheKharifandRabiseasonsis490mm.HencetheamountofwateruseforKharifandRabiseasonsmaybeestimatedas612.5mm(i.e125%ofAET).Thisdemandforthetwoseasonsismarginallyhigherby217mm,i.e.(612.5-396).TheAETinJune-Septmonthsis55%ofrainfall.Hence,thereisgoodopportunitytoharvesttheexcesswaterthroughwatershedmanagementpracticesforutilizingduringrabiseason. ThetotalnumberofwellspresentinRachanahalliSub-watershedasperLRIdatais74(60-Borewells&14-Openwells).GroundwaterlevelswasfoundfromthedataobtainedfromKSNDMCfortheneareststationofsaidhapur.Deepestlevelswerefoundin2010. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Project Report |
| Sponsors: | Watershed Development Department, Government of Karnataka (World Bank Funded) Sujala –III Project |
| Language: | English |
| Name of Journal: | Not Available |
| Volume No.: | Not Available |
| Page Number: | p.66 |
| Name of the Division/Regional Station: | ICAR::National Bureau of Soil Survey and Land Use Planning, Regional Centre, Bengaluru |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/50069 |
| Appears in Collections: | NRM-NBSSLUP-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 20_Rachanahallli_4D5B1P_SWs_LRI Atlas.pptx.pdf | 49.41 MB | Adobe PDF | View/Open |
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