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Holocene organic carbon burial rates in the Baltic coast

Yu, Shi-Yong ; Berglund, Björn LU ; Sandgren, Per LU and Coleman, Steven M. (2007) In The Holocene 17(5). p.673-681
Abstract
To estimate Holocene changes in organic carbon mass accumulation rates (Corg MARs) in the

southeastern Swedish Baltic Sea, two sediment cores were studied in combination with biogeochemical

modelling. Prior to 11 300 cal. BP, Corg MARs were extremely low, indicating low organic matter production

on the catchment of the Baltic Ice Lake. Following a brief regression, the Ancylus Lake stage occurred

between 11 100 and 9800 cal. BP. Corg MARs increased substantially during this period because of

enhanced washing in of terrestrial organic matter, when boreal forests were initially established. The

prominent marine stage, known as the Littorina transgression between 8500 and 3000 cal. BP, is... (More)
To estimate Holocene changes in organic carbon mass accumulation rates (Corg MARs) in the

southeastern Swedish Baltic Sea, two sediment cores were studied in combination with biogeochemical

modelling. Prior to 11 300 cal. BP, Corg MARs were extremely low, indicating low organic matter production

on the catchment of the Baltic Ice Lake. Following a brief regression, the Ancylus Lake stage occurred

between 11 100 and 9800 cal. BP. Corg MARs increased substantially during this period because of

enhanced washing in of terrestrial organic matter, when boreal forests were initially established. The

prominent marine stage, known as the Littorina transgression between 8500 and 3000 cal. BP, is marked

by a minor increase in Corg MARs. Our modelling reveals a changing terrestrial organic carbon input

between 100 and 1000 g/m2 per yr that accounts for 30–80% of total organic carbon in sediments of the

southeastern Swedish Baltic Sea, with maximum values (c. 20 x 103 g/m2 per yr) occurring during the

Bronze/Iron Age transition at about 3000 cal. BP. Corg MAR in the entire Baltic basin is estimated at

3.01 x 106 t/yr during the pre-industrial Holocene, comparable with other large inland water bodies.

Regardless of the source of carbon, our data indicate that the Baltic basin is an important sedimentary

reservoir for organic carbon storage and thus should be included in accounting for global terrestrial carbon

cycling during the pre-industrial Holocene. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Holocene, southeastern Sweden, carbon cycling., organic carbon burial rates, Baltic Sea, early diagenesis
in
The Holocene
volume
17
issue
5
pages
673 - 681
publisher
SAGE Publications
ISSN
0959-6836
language
English
LU publication?
yes
id
41a78d93-1472-491a-99b6-1718f4a4ac4b (old id 620244)
date added to LUP
2016-04-01 12:00:41
date last changed
2021-09-27 04:12:01
@article{41a78d93-1472-491a-99b6-1718f4a4ac4b,
  abstract     = {{To estimate Holocene changes in organic carbon mass accumulation rates (Corg MARs) in the<br/><br>
southeastern Swedish Baltic Sea, two sediment cores were studied in combination with biogeochemical<br/><br>
modelling. Prior to 11 300 cal. BP, Corg MARs were extremely low, indicating low organic matter production<br/><br>
on the catchment of the Baltic Ice Lake. Following a brief regression, the Ancylus Lake stage occurred<br/><br>
between 11 100 and 9800 cal. BP. Corg MARs increased substantially during this period because of<br/><br>
enhanced washing in of terrestrial organic matter, when boreal forests were initially established. The<br/><br>
prominent marine stage, known as the Littorina transgression between 8500 and 3000 cal. BP, is marked<br/><br>
by a minor increase in Corg MARs. Our modelling reveals a changing terrestrial organic carbon input<br/><br>
between 100 and 1000 g/m2 per yr that accounts for 30–80% of total organic carbon in sediments of the<br/><br>
southeastern Swedish Baltic Sea, with maximum values (c. 20 x 103 g/m2 per yr) occurring during the<br/><br>
Bronze/Iron Age transition at about 3000 cal. BP. Corg MAR in the entire Baltic basin is estimated at<br/><br>
3.01 x 106 t/yr during the pre-industrial Holocene, comparable with other large inland water bodies.<br/><br>
Regardless of the source of carbon, our data indicate that the Baltic basin is an important sedimentary<br/><br>
reservoir for organic carbon storage and thus should be included in accounting for global terrestrial carbon<br/><br>
cycling during the pre-industrial Holocene.}},
  author       = {{Yu, Shi-Yong and Berglund, Björn and Sandgren, Per and Coleman, Steven M.}},
  issn         = {{0959-6836}},
  keywords     = {{Holocene; southeastern Sweden; carbon cycling.; organic carbon burial rates; Baltic Sea; early diagenesis}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{673--681}},
  publisher    = {{SAGE Publications}},
  series       = {{The Holocene}},
  title        = {{Holocene organic carbon burial rates in the Baltic coast}},
  volume       = {{17}},
  year         = {{2007}},
}