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Proceedings Paper

Absorption and fluorescence of hydrophobic components of dissolved organic matter in several Karelian lakes with stratified structures
Author(s): Daria A. Khundzhua; Anastasia V. Kharcheva; Elena D. Krasnova; Olga M. Gorshkova; Kira A. Chevel; Viktor I. Yuzhakov; Svetlana V. Patsaeva
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Paper Abstract

Hydrophobic components of cromophoric dissolved organic matter (CDOM) extracted from water samples and sediments taken in several relic basins located on Karelian shoreline of the White Sea were analyzed using spectroscopic techniques. Those water reservoirs exist at various stages of isolation from the White Sea and represent complex stratified systems of fresh and marine water layers not completely mixing trough the year. Basins separating from the White Sea are the unique natural objects for investigations of properties CDOM, its transformation in the process of turning the marine ecosystem into freshwater environment. CDOM occurring in all types of natural water represents a significant reservoir of organic carbon and plays a key role in the carbon cycle on the Earth. However, aquatic CDOM and nonliving organic matter in sediments from relic separating basins still have not been studied. The target of this work was to study absorption and fluorescence spectra of hydrophobic components of aquatic CDOM from different water depth and sediments in several separated basins of the Kandalaksha Gulf of the White Sea located near the N.A. Pertsov White Sea Biological Station.

Paper Details

Date Published: 21 April 2016
PDF: 7 pages
Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 99170R (21 April 2016); doi: 10.1117/12.2229856
Show Author Affiliations
Daria A. Khundzhua, Lomonosov Moscow State Univ. (Russian Federation)
Anastasia V. Kharcheva, Lomonosov Moscow State Univ. (Russian Federation)
Elena D. Krasnova, Lomonosov Moscow State Univ. (Russian Federation)
Olga M. Gorshkova, Lomonosov Moscow State Univ. (Russian Federation)
Kira A. Chevel, Lomonosov Moscow State Univ. (Russian Federation)
Viktor I. Yuzhakov, Lomonosov Moscow State Univ. (Russian Federation)
Svetlana V. Patsaeva, Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9917:
Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS)
Elina A. Genina; Valery V. Tuchin; Vladimir L. Derbov; Dmitry E. Postnov; Igor V. Meglinski; Kirill V. Larin; Alexander Borisovich Pravdin, Editor(s)

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