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Proceedings Paper

Simultaneous measurement of up-welling spectral radiance using a fiber-coupled CCD spectrograph
Author(s): Mark Yarbrough; Stephanie J. Flora; Michael E. Feinholz; Terrence Houlihan; Steven W. Brown; B. Carol Johnson; Kenneth Voss; Dennis K. Clark
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Paper Abstract

Determination of the water-leaving spectral radiance using in-water instrumentation requires measurements of the upwelling spectral radiance (Lu) at several depths. If these measurements are separated in time, changes in the measurement conditions result in increased variance in the results. A prototype simultaneous multi-track system was developed to assess the potential reduction in the Type A uncertainty in single set, normalized water-leaving radiance achievable if the data were acquired simultaneously. The prototype system employed a spectrograph and multi-track fiber-coupled CCD-detector; in situ in-water tests were performed with the prototype system fiber-coupled to a small buoy. The experiments demonstrate the utility of multi-channel simultaneous data acquisition for in-water measurement applications. An example of the potential impact for tracking abrupt responsivity changes in satellite ocean color sensors using these types of instruments as well as for the satellite vicarious calibration is given.

Paper Details

Date Published: 5 October 2007
PDF: 11 pages
Proc. SPIE 6680, Coastal Ocean Remote Sensing, 66800J (5 October 2007); doi: 10.1117/12.735016
Show Author Affiliations
Mark Yarbrough, Moss Landing Marine Labs. (United States)
Stephanie J. Flora, Moss Landing Marine Labs. (United States)
Michael E. Feinholz, Moss Landing Marine Labs. (United States)
Terrence Houlihan, Moss Landing Marine Labs. (United States)
Steven W. Brown, National Institute of Standards and Technology (United States)
B. Carol Johnson, National Institute of Standards and Technology (United States)
Kenneth Voss, Univ. of Miami (United States)
Dennis K. Clark, Marine Optical Consulting (United States)

Published in SPIE Proceedings Vol. 6680:
Coastal Ocean Remote Sensing
Robert J. Frouin; ZhongPing Lee, Editor(s)

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