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RS & GIS applications to manage irrigated agriculture
 

RS & GIS applications to manage irrigated agriculture

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Remote sensing (RS) and geographical information systems (GIS) are revolutionising irrigation management. They represent a relatively cheap and rapid method of acquiring up-to-date information over a ...

Remote sensing (RS) and geographical information systems (GIS) are revolutionising irrigation management. They represent a relatively cheap and rapid method of acquiring up-to-date information over a large geographical area. and are the only practical way to obtain data from inaccessible regions. At small scales, regional phenomena which are invisible from the ground can be clearly visible. Presented at the 1st World Irrigation Forum, 2013, Mardin, Turkey.

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    RS & GIS applications to manage irrigated agriculture RS & GIS applications to manage irrigated agriculture Presentation Transcript

    • Photo:DavidBrazier/IWMIPhoto:TomvanCakenberghe/IWMIPhoto:DavidBrazier/IWMI www.iwmi.org Water for a food-secure world RS & GIS applications to manage irrigated agriculture S.A. Prathapar, on behalf of Amarnath, Chemin, Karimi, Rebelo, Sharma, Siddiqui & Platonov
    • www.iwmi.org Water for a food-secure world If you can’t measure, you can’t manage! • Relatively cheap and rapid method of acquiring up-to-date information over a large geographical area. – Example: Landsat scene covers 180 km x 180 km at ground resolution of 30 every 16 days • It is the only practical way to obtain data from inaccessible regions, – Example: Antarctica, Amazonia. • At small scales, regional phenomena which are invisible from the ground are clearly visible. – Examples: faults and other geological structures. A classic example of seeing the forest instead of the trees.
    • www.iwmi.org Water for a food-secure world Operating Satellites Source: Union of Concerned Scientists http://www.ucsusa.org/nuclear_weapons_and_global_security/space_weapons/technical_issues/ucs-satellite-database.html
    • Photo:DavidBrazier/IWMIPhoto:TomvanCakenberghe/IWMIPhoto:DavidBrazier/IWMIPhoto:DavidBrazier/IWMI Selected Applications by IWMI
    • Water Productivity in IGP Rice Wheat
    • Land Productivity in IGP Rice Wheat
    • www.iwmi.org Water for a food-secure world Mapping Agro-wells
    • www.iwmi.org Water for a food-secure world Boro Paddy Mapping – West Bengal 2000 20102006
    • www.iwmi.org Water for a food-secure world WA+ Resource base sheet Indicators Definition Exploitable water fraction Explitable water divded by the net inflow Storage change fraction Fresh water storage change divided by exploitable water Available water fraction Available water divided by exploitable water Basin closure fraction Utilized flow divided by available water Reserved flow fraction Reserved outflows divided by the total outflow
    • www.iwmi.org Water for a food-secure world Nile Basin: Input RS data
    • Broad wetland classes derived from annual flood dynamics Distribution of wetland vegetation Rebelo, L-M., 2010. Eco-hydrological characterization of inland wetlands in Africa using L-band SAR. IEEE Journal of Special Topics in Earth Observation and Remote Sensing Vol 3 No 2 Mapping Wet lands
    • www.iwmi.org Water for a food-secure world Water & Climate Atlas • The IWMI World Water and Climate Atlas gives irrigation and agricultural planners rapid access to accurate data on climate and moisture availability for agriculture • The Atlas includes monthly and annual summaries for: • precipitation, • temperature, • humidity, • sunshine, • Evaporation & evapotranspiration • wind speed, • rainfall, • frost
    • www.iwmi.org Water for a food-secure world Detail Presentations on • RS & Smart ICT for Agricultural Water Management • Monitor Droughts & Floods • Map Irrigated areas
    • Applications in Canal Irrigation Performance Adequacy, Equity and Reliability
    • www.iwmi.org Water for a food-secure world Canal Irrigation Management in Pakistan Adequacy, Equity and Reliability of Water Availability
    • Evaporative Fraction within Hakra, Punjab, Pakistan on 4/10/2012
    • Hakra Daily mean EF (2000-12) 20 irrigation seasons are visible (Large groups of val=1.0) Maybe few more, less visible.
    • Linking Remote Sensing Models and ICT M2M U S E S U P P L Y Central Processing Unit Estimate AET Estimate Performance
    • www.iwmi.org Water for a food-secure world Thank You