scholarly journals Relationships between colored dissolved organic matter and dissolved organic carbon in different coastal gradients of the Baltic Sea

AMBIO ◽  
2015 ◽  
Vol 44 (S3) ◽  
pp. 392-401 ◽  
Author(s):  
E. Therese Harvey ◽  
Susanne Kratzer ◽  
Agneta Andersson
Keyword(s):  
Organic Matter ◽  
Organic Carbon ◽  
Dissolved Organic Matter ◽  
Dissolved Organic Carbon ◽  
Baltic Sea ◽  
Colored Dissolved Organic Matter ◽  
The Baltic Sea ◽  
The Baltic

The influence of dissolved organic matter on the acid–base system of the Baltic Sea

2014 ◽  
Vol 132 ◽  
pp. 106-115 ◽  
Author(s):  
Karol Kuliński ◽  
Bernd Schneider ◽  
Karoline Hammer ◽  
Ulrike Machulik ◽  
Detlef Schulz-Bull
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Baltic Sea ◽  
Base System ◽  
The Baltic Sea ◽  
Acid Base ◽  
The Baltic

scholarly journals Parameterization of the light absorption properties of chromophoric dissolved organic matter in the Baltic Sea and Pomeranian lakes

Ocean Science ◽  
2016 ◽  
Vol 12 (4) ◽  
pp. 1013-1032 ◽  
Author(s):  
Justyna Meler ◽  
Piotr Kowalczuk ◽  
Mirosława Ostrowska ◽  
Dariusz Ficek ◽  
Monika Zabłocka ◽  
...  
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Absorption Coefficient ◽  
Baltic Sea ◽  
Chlorophyll A ◽  
Chromophoric Dissolved Organic Matter ◽  
The Baltic Sea ◽  
Absorption Properties ◽  
Chlorophyll A Concentration ◽  
The Baltic

Abstract. This study presents three alternative models for estimating the absorption properties of chromophoric dissolved organic matter aCDOM(λ). For this analysis we used a database containing 556 absorption spectra measured in 2006–2009 in different regions of the Baltic Sea (open and coastal waters, the Gulf of Gdańsk and the Pomeranian Bay), at river mouths, in the Szczecin Lagoon and also in three lakes in Pomerania (Poland) – Obłęskie, Łebsko and Chotkowskie. The variability range of the chromophoric dissolved organic matter (CDOM) absorption coefficient at 400 nm, aCDOM(400), lay within 0.15–8.85 m−1. The variability in aCDOM(λ) was parameterized with respect to the variability over 3 orders of magnitude in the chlorophyll a concentration Chl a (0.7–119 mg m−3). The chlorophyll a concentration and aCDOM(400) were correlated, and a statistically significant, nonlinear empirical relationship between these parameters was derived (R2 =  0.83). On the basis of the covariance between these parameters, we derived two empirical mathematical models that enabled us to design the CDOM absorption coefficient dynamics in natural waters and reconstruct the complete CDOM absorption spectrum in the UV and visible spectral domains. The input variable in the first model was the chlorophyll a concentration, and in the second one it was aCDOM(400). Both models were fitted to a power function, and a second-order polynomial function was used as the exponent. Regression coefficients for these formulas were determined for wavelengths from 240 to 700 nm at 5 nm intervals. Both approximations reflected the real shape of the absorption spectra with a low level of uncertainty. Comparison of these approximations with other models of light absorption by CDOM demonstrated that our parameterizations were superior (bias from −1.45 to 62 %, RSME from 22 to 220 %) for estimating CDOM absorption in the optically complex waters of the Baltic Sea and Pomeranian lakes.

36year trends in dissolved organic carbon export from Finnish rivers to the Baltic Sea

2012 ◽  
Vol 435-436 ◽  
pp. 188-201 ◽  
Author(s):  
Antti Räike ◽  
Pirkko Kortelainen ◽  
Tuija Mattsson ◽  
David N. Thomas
Keyword(s):  
Organic Carbon ◽  
Dissolved Organic Carbon ◽  
Baltic Sea ◽  
The Baltic Sea ◽  
Carbon Export ◽  
The Baltic

scholarly journals Composition and Transformation of Dissolved Organic Matter in the Baltic Sea

2017 ◽  
Vol 5 ◽  
Author(s):  
Michael Seidel ◽  
Marcus Manecki ◽  
Daniel P. R. Herlemann ◽  
Barbara Deutsch ◽  
Detlef Schulz-Bull ◽  
...  
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Baltic Sea ◽  
The Baltic Sea ◽  
The Baltic

scholarly journals Major differences in dissolved organic matter characteristics and bacterial processing over an extensive brackish water gradient, the Baltic Sea

2018 ◽  
Vol 202 ◽  
pp. 27-36 ◽  
Author(s):  
Owen F. Rowe ◽  
Julie Dinasquet ◽  
Joanna Paczkowska ◽  
Daniela Figueroa ◽  
Lasse Riemann ◽  
...  
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Baltic Sea ◽  
Brackish Water ◽  
The Baltic Sea ◽  
Water Gradient ◽  
The Baltic
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