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http://krishi.icar.gov.in/jspui/handle/123456789/49807| Title: | Land Resource and Hydrology Inventory of Pillahalli Sub-watershed for Watershed Planning and Development Gubbi Taluk, Tumkur District, Karnataka (AESR 8.2) |
| Other Titles: | Not Available |
| Authors: | RajendraHegde,K.V.Niranjana,S.Srinivas,K.M.Nair,B.A.Dhanorkar,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, Govt. of Karnataka (Sujala-III Project) |
| Citation: | 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. |
| Series/Report no.: | 80; |
| Abstract/Description: | 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. |
| 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. 51 |
| 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/123456789/49807 |
| Appears in Collections: | NRM-NBSSLUP-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 80_Pillahalli_SWS_LRI Atlas.pptx.pdf | 29.25 MB | Adobe PDF | View/Open |
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