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Remote sensing of the ocean from space

Remote sensing of the ocean from space. Remote Sensing I Lecture 11 Summer 2006. Overview. Sea surface temperature remote sensing Mapping of ocean colour Biologic activity Remote sensing of sea surface height / topography from altimeters El Nino detection Deriving ocean circulation

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Remote sensing of the ocean from space

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  1. Remote sensing of the ocean from space Remote Sensing I Lecture 11 Summer 2006

  2. Overview • Sea surface temperature remote sensing • Mapping of ocean colour • Biologic activity • Remote sensing of sea surface height / topography from altimeters • El Nino detection • Deriving ocean circulation • Remote sensing of sea surface roughness from scatterometers • Retrieving wind speed over the oceans

  3. MODIS / Terra: Sea Surface Temperature Gulfstream

  4. Ocean colour: MERIS/ENVISAT, 443 nm

  5. Ocean colour: MERIS/ENVISAT, 560 nm

  6. Ocean colour: MERIS/ENVISAT, Chlorophyll

  7. El Nino: Schematic

  8. El Nino Indices

  9. AVHRR: Sea Surface Temperature Anomaly 1996 1997 1998

  10. TOPEX/POSEIDON: Sea Surface Height Anomaly 1996 1997 1998

  11. Ocean Topography

  12. Altimeter principle: TOPEX/POSEIDON TOPEX/POSEIDONLaunched:10 Aug. 1992

  13. Sea Surface Height: Assimilated from TOPEX from Stammer & Wunsch

  14. Ocean velocity field: Assimilated from TOPEX from Stammer & Wunsch

  15. Retrieving wind speed from altimeter: Principle from Elachi

  16. Surface Winds from Scatterometer: QuickSCAT 21. Sep. 2005Hurricane Rita

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