OAR@ICRISATTungabhadra Left Bank Canal (TLBC) irrigation modernization: Detailed command area mapping using remote sensing, (November 2018 - March 2019)M KGummaauthorKTummalaauthorMJameeruddinauthorBPinjarlaauthorP SRoyauthorA MWhitbreadauthorConventional surveys and assessments have merged with technology to help decision makers take timely action and prevent losses in agricultural production. Remote sensing is one such technology-driven tool that can produce accurate results economically. So is satellite imagery with high temporal and spatial resolutions specifically suited to agriculture. Given Karnataka state’s diverse agro-ecosystems, knowing the spatial distribution of such systems and their constraints to production is essential so that abiotic stresses like drought can be mapped and information disseminated to decision makers for contingency planning. The natural resource base of an area is instrumental in its agricultural development and also linked to improvement of livelihoods. Mapping the natural resource base and crop domains provides insights into the status of and trends in land and water utilization, development of water resources over time, and the impacts of cropping systems on water resource systems (Gumma et al. 2016a; Gumma et al. 2011a). Integrating remote sensing with spatial analyses like crop and economic models provides the much needed knowledge for decision making for resource-based planning of lower risk and profitable cropping systems, efficient allocation of water at basin and sub-basin levels and other crop management interventions in targeting technologies appropriate for different locations. Remote sensing provides such information in a time and cost effective manner by mapping major cropped areas using open datasets such as MODIS, LANDSAT, along with high resolution datasets from Indian remote sensing satellites, and sensors such as LISS IV and RiSAT-1 which provide reliable information on spatial distribution, acreage estimation and crop growth stages (during planting and harvesting)...GIS Techniques/Remote SensingKarnatakaIrrigation2019ICRISATMonograph

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