Land Resource and Hydrology Inventory of Pillahalli Sub-watershed for Watershed Planning and Development Gubbi Taluk, Tumkur District, Karnataka (AESR 8.2)
KRISHI: Publication and Data Inventory Repository
View Archive InfoField | Value | |
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)
|
|