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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 2 — Feb. 10, 2009

Cross calibration of ocean-color bands from Moderate Resolution Imaging Spectroradiometer on Terra platform

Ewa J. Kwiatkowska, Bryan A. Franz, Gerhard Meister, Charles R. McClain, and Xiaoxiong Xiong  »View Author Affiliations


Applied Optics, Vol. 47, Issue 36, pp. 6796-6810 (2008)
http://dx.doi.org/10.1364/AO.47.006796


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Abstract

Ocean-color applications require maximum uncertainties in blue-wavelength water-leaving radiances in oligotrophic ocean of approximately 5%. Water-leaving radiances from Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite, however, exhibit temporal drift of the order of 15% as well as sensor changes in response versus scan and polarization sensitivity, which cannot be tracked by onboard calibrators. This paper introduces an instrument characterization approach that uses Earth-view data as a calibration source. The approach models the top of the atmosphere signal over ocean that the instrument is expected to measure, including its polarization, with water-leaving radiances coming from another well-calibrated global sensor. The cross calibration allows for significant improvement in derived MODIS–Terra ocean-color products, with largest changes in the blue wavelengths.

© 2008 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.1285) Atmospheric and oceanic optics : Atmospheric correction
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(010.1690) Atmospheric and oceanic optics : Color
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: June 26, 2008
Revised Manuscript: October 18, 2008
Manuscript Accepted: October 18, 2008
Published: December 15, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Ewa J. Kwiatkowska, Bryan A. Franz, Gerhard Meister, Charles R. McClain, and Xiaoxiong Xiong, "Cross calibration of ocean-color bands from Moderate Resolution Imaging Spectroradiometer on Terra platform," Appl. Opt. 47, 6796-6810 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-36-6796

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