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Remote Sensing What can we do with it?

Remote Sensing What can we do with it?. The early years. Yellowstone Fires 1988, Recorded 7/2001. How it works. Incoming solar energy. Reflecting surfaces Scatter, absorb, and reflect light. Electromagnetic Energy and surface reflectance. Spectral Reflectance.

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Remote Sensing What can we do with it?

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  1. Remote SensingWhat can we do with it?

  2. The early years

  3. Yellowstone Fires 1988, Recorded 7/2001

  4. How it works Incoming solar energy Reflecting surfaces Scatter, absorb, and reflect light

  5. Electromagnetic Energyand surface reflectance

  6. Spectral Reflectance

  7. Progression of common satellitesMSS spatial scale 20m, TM 30m

  8. Satellite Sensors SatelliteSpatial ResolutionSpectral Resolution QuickBird 1-4meters .45-.90µm Ikonos1&2 1-4meters .45-.90µm SPOT HR-XS 10-20meters .51-1.75µm LANDSAT TM 7 (1) 15m .45-.515µm (2,3,4,5,7) 30m .525–2.35µm (6) 60m 2.09-2.35µm AVRIS 20m 224 bands

  9. Sun Synchronous Orbital Flight Row and Path

  10. TM 30 meter multi-spectral imagery

  11. Keweenaw Peninsula, bands 2, 3 and 4 provide a color composite

  12. Summer AVHRR CompositeSpatial Scale 1km

  13. New Technologies

  14. AVRIS Spectra

  15. AVRIS Hyperspectral Cube Airborne Visible/Infrared Imaging Spectrometer 224 spectral channels 400 – 2500 nm spectral resolution, 20 meter ground resolution. Brine Shrimp pond

  16. LidarLight Detection and Ranging Visible portion of spectrum Excellent opportunities for vertical dimensions not for horizontal Data from Lefsky et al

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