Assessing the bioavailability and degradation rates of marine dissolved organic matter by fluorescence spectroscopy

Christian Lonborg; Xose Alvarez-Salgado; Keith Davidson; E Teira; Axel Miller

doi:10.1016/j.marchem.2010.02.001

Assessing the bioavailability and degradation rates of marine dissolved organic matter by fluorescence spectroscopy

Christian Lonborg
, Xose Alvarez-Salgado
, Keith Davidson
, E Teira
, Axel Miller

The Scottish Association for Marine Science, Scottish Marine Institute

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122 Zitate (Scopus)

Abstract

The time course of colored dissolved organic matter (CDOM) absorption and fluorescence were monitored during 50 to 70 days of laboratory incubations with water collected in the coastal upwelling system of the Ria de Vigo (NW Iberian Peninsula) under contrasting hydrographic conditions. CDOM fluorescence at peak-T (Ex/Em, 280/350 nm), characteristic of protein-like materials, decayed at a 1st order degradation rate constant (k(T)) of 0.28 +/- 0.13 day(-1) (average +/- SD). k(T) covaried (R-2 = 0.86, p

Originalsprache	English
Seiten (von - bis)	219-226
Seitenumfang	8
Fachzeitschrift	MAR CHEM
Ausgabenummer	3
DOIs	https://doi.org/10.1016/j.marchem.2010.02.001
Publikationsstatus	Published - 2010

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10.1016/j.marchem.2010.02.001

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AU - Davidson, Keith

AU - Teira, E

AU - Miller, Axel

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N2 - The time course of colored dissolved organic matter (CDOM) absorption and fluorescence were monitored during 50 to 70 days of laboratory incubations with water collected in the coastal upwelling system of the Ria de Vigo (NW Iberian Peninsula) under contrasting hydrographic conditions. CDOM fluorescence at peak-T (Ex/Em, 280/350 nm), characteristic of protein-like materials, decayed at a 1st order degradation rate constant (k(T)) of 0.28 +/- 0.13 day(-1) (average +/- SD). k(T) covaried (R-2 = 0.86, p

AB - The time course of colored dissolved organic matter (CDOM) absorption and fluorescence were monitored during 50 to 70 days of laboratory incubations with water collected in the coastal upwelling system of the Ria de Vigo (NW Iberian Peninsula) under contrasting hydrographic conditions. CDOM fluorescence at peak-T (Ex/Em, 280/350 nm), characteristic of protein-like materials, decayed at a 1st order degradation rate constant (k(T)) of 0.28 +/- 0.13 day(-1) (average +/- SD). k(T) covaried (R-2 = 0.86, p

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KW - DYNAMICS

KW - CARBON

KW - NITROGEN

KW - Chemistry, Multidisciplinary

KW - NW SPAIN

KW - Oceanography

KW - AMINO-ACIDS

KW - DECOMPOSITION

KW - ENVIRONMENTS

KW - DOM

KW - NORTH-ATLANTIC

U2 - 10.1016/j.marchem.2010.02.001

DO - 10.1016/j.marchem.2010.02.001

M3 - Article

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EP - 226

JO - MAR CHEM

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IS - 3

ER -

Assessing the bioavailability and degradation rates of marine dissolved organic matter by fluorescence spectroscopy

Abstract

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