Environment Rs August 08
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Environment Rs August 08

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Environment through Remote Sensing

Environment through Remote Sensing

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    Environment Rs August 08 Environment Rs August 08 Presentation Transcript

    • Environment through Remote Sensing
    • Environmental Changes:
      • Inherent type : seasonal & other natural changes including the changes caused by natural disasters – positive or negative
      • Induced type: due to human use and abuse – negative only
    • Environmental Changes:
      • Local:
      • village, district level
      • Regional:
      • state, national level
      • Global:
      • continental, world level
    • Our concern is to:
      • Map, Measure and Monitor
      • > the natural & man-made world;
      • > locally, regionally and globally
      • on a periodical & real-time basis
    • Global Monitoring
      • Environmental features monitored include :
      • Global vegetation cover
      • Ocean productivity
      • Global biosphere
      • Ocean Temperature
      • Ozone levels
      • Snow and ice
      • Atmospheric pollutants
      • Wave height and direction
    • Ozone Levels
      • Depletion develops in October
      • Changes seasonally
      • Gradually getting larger over time
    • Global Vegetation Cover
    • Ocean Temperature
      • Water is a good approximation of a black body
      • Monitoring climatic events, eg. El Nino
      • Monitor long term climatic change
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    • Remote Sensing Applications Mineral and Rock Spectral Mapping
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    • data model
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    • Local Environmental Monitoring De-forestation
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      • Bush Fire - Detection using smoke
      • Bush Fire - Detection using smoke
    • Remote sensing platforms: LIDAR
      • Canopy surface
    • Remote sensing platforms: SAR (Synthetic Aperture Radar)
      • SAR image of Washington, DC
      • textures are easily differentiated_
    • Remote sensing platforms: SAR (Synthetic Aperture Radar)
      • SAR image of Amazon Basin
      • previous river channels clearly visible
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