Dr Ranu Rani Sethi Senior Scientist Directorate of Water Management ICAR Bhubaneswar ODISHA Directorate of Water Management Bhubaneswar Odisha Introduction Paddy occupies largest area 45 ID: 196974
Download Presentation The PPT/PDF document "Geospatial Techniques for Identifying th..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Geospatial Techniques for Identifying the Paddy Cultivated areas in Agro Climatic Region (ACR)-VI
Dr. Ranu Rani SethiSenior ScientistDirectorate of Water Management (ICAR) Bhubaneswar, ODISHA
Directorate of Water Management Bhubaneswar, OdishaSlide2
Introduction
Paddy occupies largest area (45 Mha) with production of 134 million tonneWheat area 27 Mha with production of 75.6 Million tonne
Rice-wheat cropping system covers about 10.5
Mha in Indo
Gangetic PlanesJudicious water management technologies needed to enhance water productivityDirectorate of Water Management Bhubaneswar, OdishaSlide3
Directorate of Water Management Bhubaneswar, OdishaSlide4
Agro Climatic Region-VI
Directorate of Water Management Bhubaneswar, OdishaSlide5
Crop Period
StateCropSeasonFrom
ToPeriod
Punjab
Rice/PaddyKharifMayJuly SowingSeptemberOctober HarvestingRabiJanuaryJanuary SowingWheatRabiOctoberNovember SowingApril May HarvestingHaryanaRice/PaddyKharifJanuary December SowingKharifJune July SowingOctober November HarvestingWheatRabi
October
December Sowing
April
April
Harvesting
Directorate of Water Management Bhubaneswar, OdishaSlide6
Strength
Rainfall varies from 190 mm to 1,150 mmImportant sources for irrigation: Beas, Ravi, Sutlej, Yamuna and Ghaggar rivers Phenomenal increase in agricultural productivity referred as Green Revolution
Directorate of Water Management Bhubaneswar, OdishaSlide7
Emerging Issues
Declining Soil healthOver exploitation of ground water resourcesVariability in climatic parametersFalling diversity in the cropping patternDirectorate of Water Management Bhubaneswar, OdishaSlide8
Objectives
To find out uniformity of information related to crop coverage.To provide support to the field research and to assist in the decision making processDirectorate of Water Management Bhubaneswar, OdishaSlide9
Geospatial Analysis
“A powerful set of tools for storing, retrieving, transforming and displaying spatial data from the real world for a particular set of purposes”Directorate of Water Management Bhubaneswar, OdishaSlide10
Methodology
SoftwareRaster AnalysisVector Analysis
Arc GIS 10.0
MosaicComposing bands Supervised Classification
Data used: Landsat ETM+ imagesDigitizationOverlay ClippingKrigging,Thematic mappingData used : Analog Maps, Numerical values in Excel SheetDirectorate of Water Management Bhubaneswar, OdishaSlide11
Process for Image Classification
Directorate of Water Management Bhubaneswar, OdishaSlide12
Source Site: http://glcf.umd.edu
Details of Landsat dataDirectorate of Water Management Bhubaneswar, OdishaSlide13
Satellite Image of ACR VI
Directorate of Water Management Bhubaneswar, OdishaSlide14
Major Cropping Pattern
Directorate of Water Management Bhubaneswar, OdishaSlide15
Paddy Cultivated Area (Geo spatial analysis)
Geographical Area (‘000 ha)ACR VI
11410.3
Punjab
4969.3Haryana4380.8Rajasthan2060.2Paddy Area Remote Sensing analysis (‘000 ha) Punjab2626Haryana1051Directorate of Water Management Bhubaneswar, OdishaSlide16
Comparison of cropped area
StateNo. of Districts in ACR VIArea under Rice (Published reports) '000 ha
Area under Rice (Image Classification Analysis) '000 ha
Punjab
2326112626Haryana2110491051Rajasthan2NilNilDirectorate of Water Management Bhubaneswar, OdishaSlide17
Acknowledgements
National Fund for Basic, Strategic and Frontier Application Research in Agriculture (NFBSFARA), ICAR, New DelhiDr A.Sarangi, P.I. of DSSEWP project, WTC, New DelhiDSS Project associates: Dr M.J.Kaledhonkar, Dr. K.G. Mandal, Dr. Bandopadhyay, Mr Amiya Sagar SahuDr Ashwani Kumar, Director, DWM
Directorate of Water Management Bhubaneswar, OdishaSlide18
THANK YOU