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Delayed Western Gotland Basin (Baltic Sea) ventilation in response to the onset of a Mid-Holocene climate oscillation

Czymzik, Markus LU ; Dellwig, Olaf ; Muscheler, Raimund LU orcid ; Roeser, Patricia ; Brauer, Achim ; Kaiser, Jérôme ; Christl, Marcus and Arz, Helge W. (2021) In Quaternary Science Reviews 273.
Abstract

The marine-terrestrial Baltic ecosystem is sensitive to a range of environmental forcing and thresholds. Multi-archive investigations of its evolution require a precise synchronization of the considered archives. Here, we apply globally common cosmogenic radionuclide production rate variations to synchronize 10Be records from brackish Western Gotland Basin (Baltic Sea) and terrestrial lake Tiefer See (NE Germany) sediments to the atmospheric 14C time-scale and investigate phase-relationships in proxy responses in the southern Baltic realm associated with the onset of a centennial Mid-Holocene climate oscillation ∼5800 a BP. Based on paired molybdenum and titanium records, we identify a 98 ± 81-year delay in Western... (More)

The marine-terrestrial Baltic ecosystem is sensitive to a range of environmental forcing and thresholds. Multi-archive investigations of its evolution require a precise synchronization of the considered archives. Here, we apply globally common cosmogenic radionuclide production rate variations to synchronize 10Be records from brackish Western Gotland Basin (Baltic Sea) and terrestrial lake Tiefer See (NE Germany) sediments to the atmospheric 14C time-scale and investigate phase-relationships in proxy responses in the southern Baltic realm associated with the onset of a centennial Mid-Holocene climate oscillation ∼5800 a BP. Based on paired molybdenum and titanium records, we identify a 98 ± 81-year delay in Western Gotland Basin ventilation, compared to the terrestrial response at the onset of the recorded Mid-Holocene climate oscillation. Most plausible mechanism for this delay is strengthened stratification in response to enhanced freshwater input during the first decades of the oscillation.

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author
; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Be, Archive synchronization, Circum-Baltic region, Holocene, Paleoclimate, Sediment archives, Time-transgressive environmental change
in
Quaternary Science Reviews
volume
273
article number
107253
publisher
Elsevier
external identifiers
  • scopus:85118235362
ISSN
0277-3791
DOI
10.1016/j.quascirev.2021.107253
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2021 Elsevier Ltd
id
1a86f9cd-5e31-4df3-8ee9-48a1f4e3f177
date added to LUP
2021-11-13 09:03:19
date last changed
2022-04-27 05:38:14
@article{1a86f9cd-5e31-4df3-8ee9-48a1f4e3f177,
  abstract     = {{<p>The marine-terrestrial Baltic ecosystem is sensitive to a range of environmental forcing and thresholds. Multi-archive investigations of its evolution require a precise synchronization of the considered archives. Here, we apply globally common cosmogenic radionuclide production rate variations to synchronize <sup>10</sup>Be records from brackish Western Gotland Basin (Baltic Sea) and terrestrial lake Tiefer See (NE Germany) sediments to the atmospheric <sup>14</sup>C time-scale and investigate phase-relationships in proxy responses in the southern Baltic realm associated with the onset of a centennial Mid-Holocene climate oscillation ∼5800 a BP. Based on paired molybdenum and titanium records, we identify a 98 ± 81-year delay in Western Gotland Basin ventilation, compared to the terrestrial response at the onset of the recorded Mid-Holocene climate oscillation. Most plausible mechanism for this delay is strengthened stratification in response to enhanced freshwater input during the first decades of the oscillation.</p>}},
  author       = {{Czymzik, Markus and Dellwig, Olaf and Muscheler, Raimund and Roeser, Patricia and Brauer, Achim and Kaiser, Jérôme and Christl, Marcus and Arz, Helge W.}},
  issn         = {{0277-3791}},
  keywords     = {{Be; Archive synchronization; Circum-Baltic region; Holocene; Paleoclimate; Sediment archives; Time-transgressive environmental change}},
  language     = {{eng}},
  month        = {{12}},
  publisher    = {{Elsevier}},
  series       = {{Quaternary Science Reviews}},
  title        = {{Delayed Western Gotland Basin (Baltic Sea) ventilation in response to the onset of a Mid-Holocene climate oscillation}},
  url          = {{http://dx.doi.org/10.1016/j.quascirev.2021.107253}},
  doi          = {{10.1016/j.quascirev.2021.107253}},
  volume       = {{273}},
  year         = {{2021}},
}