Organic Carbon Concentration in the Northern Coastal Baltic Sea between 1975 and 2011

  • Fleming-Lehtinen, V.
  • Raike, A.
  • Kortelainen, P.
  • Kauppila, P.
  • Thomas, D.N.
Publication date
May 2014
Publisher
Springer

Abstract

Boreal coastal seas are reported to be subject of high carbon load from land, yet actual published results on the trends in carbon concentration in coastal waters are scarce. We examined a unique time series of total organic carbon (TOC) concentration at 20 sites along the Finnish coast of the northern Baltic Sea to identify linkages between TOC and other key environmental parameters. Over the last 27 years, TOC concentration has increased in the northernmost Bothnian Bay and Quark sub-basins and in parts of the eutrophic southern Gulf of Finland sub-basin. In the entire coast, the average TOC concentration varied between 3 mg l�1 (at southwestern sites) and 6 mg l�1 (at northern and eastern sites), despite the fact that average TOC con...

Extracted data

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