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Proceedings Paper

Fluorometric characterization of dissolved and particulate matter in Arctic sea ice
Author(s): Rodolfo H. Iturriaga; Collin Stevens Roesler
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Paper Abstract

Fluorescence spectroscopy has been used to characterize and assess the vertical distribution of dissolved (DOM) and particulate matter (POM) entrapped in sea ice. Fluorescence excitation- emission of bulk particulates, performed on first-year ice and multi-year flow ice, indicated that microalgae present in different layers of the first year ice resembled typical water column phytoplankton spectra, where those in the multi-year ice samples resembled detrital spectra. Fluorescence analysis also indicated that DOM present in sea ice can be characterized by their excitation-emission in unconcentrated samples. Maximal values for DOM fluorescence were observed at shorter excitation wavelengths (250 nm - 300 nm), with an emission centered between 390 - 425 nm.

Paper Details

Date Published: 26 October 1994
PDF: 13 pages
Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); doi: 10.1117/12.190046
Show Author Affiliations
Rodolfo H. Iturriaga, Naval Research Lab. (United States)
Collin Stevens Roesler, Oregon State Univ. (United States)


Published in SPIE Proceedings Vol. 2258:
Ocean Optics XII
Jules S. Jaffe, Editor(s)

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