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OCTS - Ocean Color Temperature Sensor

  • Temporal Range of data set: November 1986 - June 1997

  • Launch date 10/24/78

  • Orbit Sun-synchronous, near polar

  • Nominal Altitude 955 km

  • Inclination 104.9 °

  • Nodal Period 104 minutes

  • Equator Crossing Time 12:00 noon (ascending)

  • Nodal Increment 26.1 °

  • Nominal altitude: 830 km

  • Equator Crossing Time: 10:15-10:45 AM; Descending Node

  • Inclination: 98.6 deg

  • Orbital Period: 101 min

  • Scan Width: +/- 40.0 deg (varies with tilt angle +/- 32.86 to +/- 45.73 deg)

  • IFOV: Varies with tilt angle: 0.7337 to 1.049 mrad

  • Scan Coverage: 1400 km

  • Pixels along Scan: 2222 (LAC), 400 (GAC)

  • Scan Period: 1.10 Hz (0.9s /scan)

  • Nadir Resolution: 700 m

  • Tilt: -20, 0, +20 deg

  • Digitization: 10 bits/pixel

  • Revisit Time: ~3 days

    Bands and Primary use for each:

  • 1: 412 (violet) Dissolved organic matter (incl. Gelbstoff)

  • 2: 443 (blue) Chlorophyll absorption

  • 3: 490 (blue-green) Pigment absorption (Case 2), K(490)

  • 4: 520 (blue-green) Chlorophyll absorption

  • 5: 565 (green) Pigments, optical properties, sediments

  • 6: 670 (red) Atmospheric correction (CZCS heritage)

  • 7: 765 (near IR) Atmospheric correction, aerosol radiance

  • 8: 865 (near IR) Atmospheric correction, aerosol radiance



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    Authorized by: gene carl feldman

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    Updated: 10 November 2008