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Miocene climate evolution of northern Europe: A palynological investigation from Denmark

Larsson, Linda LU ; Dybkjaer, Karen ; Rasmussen, Erik S. ; Piasecki, Stefan ; Utescher, Torsten and Vajda, Vivi LU (2011) In Palaeogeography, Palaeoclimatology, Palaeoecology 309(3-4). p.161-175
Abstract
A palynological investigation has been conducted on Lower-Upper Miocene sediments from Jylland, Denmark, corresponding to the time interval of about 19 to 8 Ma. The sediments, derived from the Sdr. Vium drill core, were deposited in marine to marginal-marine environments, as shown by the relatively high abundance of dinoflagellate cysts in all samples. Nevertheless, rich and diverse pollen assemblages occur throughout the succession and the palynological analysis reveals that coastal areas of the study area were during the Miocene dominated by Taxodium swamp forests that also hosted terrestrial angiosperms such as Nyssa, Betula, Alms and elements of the Myricaceae. Further inland, a mixed deciduous-evergreen forest prevailed. In areas with... (More)
A palynological investigation has been conducted on Lower-Upper Miocene sediments from Jylland, Denmark, corresponding to the time interval of about 19 to 8 Ma. The sediments, derived from the Sdr. Vium drill core, were deposited in marine to marginal-marine environments, as shown by the relatively high abundance of dinoflagellate cysts in all samples. Nevertheless, rich and diverse pollen assemblages occur throughout the succession and the palynological analysis reveals that coastal areas of the study area were during the Miocene dominated by Taxodium swamp forests that also hosted terrestrial angiosperms such as Nyssa, Betula, Alms and elements of the Myricaceae. Further inland, a mixed deciduous-evergreen forest prevailed. In areas with better drained soils, or on elevated areas, gymnospermous conifer forests prevailed including taxa such as Pinus, Sequoia and Sciadopitys. Overall, the climate in the study area was warm temperate during major parts of the Miocene with mean annual temperatures between 15.5 and 20 degrees C. By employing the Coexistence Approach combined with the method of allocating taxa into standardized climatic groups, four different climatic Miocene events are detected within the studied succession correlated to the coeval climate record of northwestern Europe. The oldest event is a cooling during the earlier Burdigalian, at approximately 19 Ma, coinciding with the MBi-1 oxygen isotope excursion. At ca. 18.5 Ma (in mid-Burdigalian) a warming phase is reconstructed, characterized by the highest precipitation rates observed in the sedimentary succession. A warming trend, starting in the latest Burdigalian, corresponds to the globally recognized Middle Miocene Climatic Optimum (MMCO) while a longer-term late Neogene cooling was initiated in the mid Serravallian, about 13 Ma. (C) 2011 Elsevier B.V. All rights reserved. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Palynology, Palaeoenvironment, Pollen, Climate change, Miocene, Mid-Miocene Climatic Optimum Denmark
in
Palaeogeography, Palaeoclimatology, Palaeoecology
volume
309
issue
3-4
pages
161 - 175
publisher
Elsevier
external identifiers
  • wos:000295072500002
  • scopus:80051696581
ISSN
1872-616X
DOI
10.1016/j.palaeo.2011.05.003
language
English
LU publication?
yes
id
a1111339-d645-4904-ab8d-56e0bd093100 (old id 2179842)
date added to LUP
2016-04-01 09:59:02
date last changed
2022-01-25 18:38:01
@article{a1111339-d645-4904-ab8d-56e0bd093100,
  abstract     = {{A palynological investigation has been conducted on Lower-Upper Miocene sediments from Jylland, Denmark, corresponding to the time interval of about 19 to 8 Ma. The sediments, derived from the Sdr. Vium drill core, were deposited in marine to marginal-marine environments, as shown by the relatively high abundance of dinoflagellate cysts in all samples. Nevertheless, rich and diverse pollen assemblages occur throughout the succession and the palynological analysis reveals that coastal areas of the study area were during the Miocene dominated by Taxodium swamp forests that also hosted terrestrial angiosperms such as Nyssa, Betula, Alms and elements of the Myricaceae. Further inland, a mixed deciduous-evergreen forest prevailed. In areas with better drained soils, or on elevated areas, gymnospermous conifer forests prevailed including taxa such as Pinus, Sequoia and Sciadopitys. Overall, the climate in the study area was warm temperate during major parts of the Miocene with mean annual temperatures between 15.5 and 20 degrees C. By employing the Coexistence Approach combined with the method of allocating taxa into standardized climatic groups, four different climatic Miocene events are detected within the studied succession correlated to the coeval climate record of northwestern Europe. The oldest event is a cooling during the earlier Burdigalian, at approximately 19 Ma, coinciding with the MBi-1 oxygen isotope excursion. At ca. 18.5 Ma (in mid-Burdigalian) a warming phase is reconstructed, characterized by the highest precipitation rates observed in the sedimentary succession. A warming trend, starting in the latest Burdigalian, corresponds to the globally recognized Middle Miocene Climatic Optimum (MMCO) while a longer-term late Neogene cooling was initiated in the mid Serravallian, about 13 Ma. (C) 2011 Elsevier B.V. All rights reserved.}},
  author       = {{Larsson, Linda and Dybkjaer, Karen and Rasmussen, Erik S. and Piasecki, Stefan and Utescher, Torsten and Vajda, Vivi}},
  issn         = {{1872-616X}},
  keywords     = {{Palynology; Palaeoenvironment; Pollen; Climate change; Miocene; Mid-Miocene Climatic Optimum Denmark}},
  language     = {{eng}},
  number       = {{3-4}},
  pages        = {{161--175}},
  publisher    = {{Elsevier}},
  series       = {{Palaeogeography, Palaeoclimatology, Palaeoecology}},
  title        = {{Miocene climate evolution of northern Europe: A palynological investigation from Denmark}},
  url          = {{http://dx.doi.org/10.1016/j.palaeo.2011.05.003}},
  doi          = {{10.1016/j.palaeo.2011.05.003}},
  volume       = {{309}},
  year         = {{2011}},
}