Data-thinning algorithms for “over-sampled” multi-parameter ocean optics data

doi:10.1364/OE.16.021423

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

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

Data-thinning algorithms for “over-sampled” multi-parameter ocean optics data

Jeffrey H. Smart and Kevin T. Barrett »View Author Affiliations

Optics Express, Vol. 16, Issue 26, pp. 21423-21433 (2008)
http://dx.doi.org/10.1364/OE.16.021423

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Abstract

The deployment of towed depth-profiling paravane systems and autonomous gliders is providing a wealth of high-resolution oceanographic datasets. These datasets are, however, over-sampled in space and time. This paper describes a data-adaptive, user-configurable method that has been used to significantly reduce the time/space density of such data without compromising the inherent scientific information that they provide. The method involves sub-sampling at fixed space and time intervals with additional samples being kept given either a significant change (1) in the depth extent of the alongtrack profiles, or (2) in the values of the profiles themselves. An example is provided showing how well the algorithm works on nearly 5,000 chlorophyll fluorescence profiles collected off the coast of Australia.

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics

ToC Category:
Atmospheric and oceanic optics

History
Original Manuscript: October 3, 2008
Revised Manuscript: November 25, 2008
Manuscript Accepted: December 1, 2008
Published: December 12, 2008

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

Citation
Jeffrey H. Smart and Kevin T. Barrett, "Data-thinning algorithms for “over-sampled” multi-parameter ocean optics data," Opt. Express 16, 21423-21433 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-16-26-21423

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References

D. Olbers, Ocean Waves Volume 3: Oceanography, J. Siindermann, ed., (Springer-Verlag, 1986). Vol. 3, Chap. 6.
R. E. Thomson, S. E. Roth, and J. Dymond, "Near-inertial motions over a mid-ocean ridge; effects of topography and hydrothermal plumes," J. Geophys. Res. 95, 7261-7278 (1990). [CrossRef]
J. Dunning and L. Huttchings, "TUORs for marine monitoring," International Ocean Systems, November/December 2005. http://www.chelsea.co.uk/Technical%20Papers/SA%20Nushuttle%20article%20TP11%2012.pdf.
E. Keegan, "Aquashuttle monitors Exxon Valdez oil spill," Spill Science & Technology Bulletin 2, 87-88 (1995). [CrossRef]
R. Burt, "The growth in towed undulating vehicles for oceanographic data gathering," in Oceans 2000 MTS/IEEE 0-7803-6551-8 and 0-7803-6552, Volume 1, Providence, RI, Sept 11, 2000 (IEEE, New York, 2000) 641-645.
K. H. Brink, F. Bahr, R. K. Shearman, "Alongshore currents and mesoscale variability near the shelf edge off northwestern Australia," J. Geophys. Res. 112, C05013, doi:10.1029/2006JC003725 (2007). [CrossRef]
O. Schofield, J. Kohut, D. Aragon. L. Creed, J. Graver, C. Haldeman, J. Kerfoot, H. Roarty, C. Jones, D. Webb, S. Glenn "Slocum gliders: robust and ready,"J. Field Robotics 24, 1-13 (2007). [CrossRef]
K. Barrett and J. Smart, "Sub-sampling software for environmental profile data," The Johns Hopkins University APL Internal Memorandum STF-06-095, 30 June 2006.

Aragon, D.
Bahr, F.
Barrett, K.
Brink, K. H.
Dymond, J.
Keegan, E.
Kohut, J.
Roth, S. E.
Schofield, O.
Shearman, R. K.
Smart, J.
Thomson, R. E.

J. Field Robotics

O. Schofield, J. Kohut, D. Aragon. L. Creed, J. Graver, C. Haldeman, J. Kerfoot, H. Roarty, C. Jones, D. Webb, S. Glenn "Slocum gliders: robust and ready,"J. Field Robotics 24, 1-13 (2007). [CrossRef]

J. Geophys. Res.

K. H. Brink, F. Bahr, R. K. Shearman, "Alongshore currents and mesoscale variability near the shelf edge off northwestern Australia," J. Geophys. Res. 112, C05013, doi:10.1029/2006JC003725 (2007). [CrossRef]
R. E. Thomson, S. E. Roth, and J. Dymond, "Near-inertial motions over a mid-ocean ridge; effects of topography and hydrothermal plumes," J. Geophys. Res. 95, 7261-7278 (1990). [CrossRef]

Spill Science & Technology Bulletin

E. Keegan, "Aquashuttle monitors Exxon Valdez oil spill," Spill Science & Technology Bulletin 2, 87-88 (1995). [CrossRef]

Other

R. Burt, "The growth in towed undulating vehicles for oceanographic data gathering," in Oceans 2000 MTS/IEEE 0-7803-6551-8 and 0-7803-6552, Volume 1, Providence, RI, Sept 11, 2000 (IEEE, New York, 2000) 641-645.
J. Dunning and L. Huttchings, "TUORs for marine monitoring," International Ocean Systems, November/December 2005. http://www.chelsea.co.uk/Technical%20Papers/SA%20Nushuttle%20article%20TP11%2012.pdf.
D. Olbers, Ocean Waves Volume 3: Oceanography, J. Siindermann, ed., (Springer-Verlag, 1986). Vol. 3, Chap. 6.
K. Barrett and J. Smart, "Sub-sampling software for environmental profile data," The Johns Hopkins University APL Internal Memorandum STF-06-095, 30 June 2006.

2007, Brink, J. Geophys. Res.
2007, Schofield, J. Field Robotics
1995, Keegan, Spill Science & Technology Bulletin
1990, Thomson, J. Geophys. Res.

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