Fluorometric characterization of dissolved and particulate matter in Arctic sea ice

Rodolfo H. Iturriaga; Collin Stevens Roesler

doi:10.1117/12.190046

26 October 1994 Fluorometric characterization of dissolved and particulate matter in Arctic sea ice

Rodolfo H. Iturriaga, Collin Stevens Roesler

Proceedings Volume 2258, Ocean Optics XII; (1994) https://doi.org/10.1117/12.190046
Event: Ocean Optics XII, 1994, Bergen, Norway

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.

Citation Download Citation

Rodolfo H. Iturriaga and Collin Stevens Roesler "Fluorometric characterization of dissolved and particulate matter in Arctic sea ice", Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); https://doi.org/10.1117/12.190046

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