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Holocene peatland development and hydrological variability inferred from bog-pine dendrochronology and peat stratigraphy - a case study from southern Sweden

Edvardsson, Johannes LU ; Linderson, Hans LU ; Rundgren, Mats LU and Hammarlund, Dan LU (2012) In Journal of Quaternary Science 27(6). p.553-563
Abstract
Dendrochronological analysis was applied to subfossil remains of Scots pine (Pinus sylvestris L.) buried in a South Swedish peat deposit. In combination with peat stratigraphy, this approach was explored for its potential to provide information on the local hydrological and depositional history at the site, forming the basis for a regional palaeohydrological analysis. A 726-year ring-width chronology was developed and assigned an absolute age of 7233-6508cal a BP (5284-4559 BC) through cross-dating with German bog-pine chronologies, whereas two short additional records of older ages were radiocarbon dated. Registration of growth positions of individual trees allowed assessment of the spatial dynamics of the pine population in response to... (More)
Dendrochronological analysis was applied to subfossil remains of Scots pine (Pinus sylvestris L.) buried in a South Swedish peat deposit. In combination with peat stratigraphy, this approach was explored for its potential to provide information on the local hydrological and depositional history at the site, forming the basis for a regional palaeohydrological analysis. A 726-year ring-width chronology was developed and assigned an absolute age of 7233-6508cal a BP (5284-4559 BC) through cross-dating with German bog-pine chronologies, whereas two short additional records of older ages were radiocarbon dated. Registration of growth positions of individual trees allowed assessment of the spatial dynamics of the pine population in response to hydrological changes and peatland ontogeny. Annually resolved growth variability patterns in the pine population reveal several establishment and degeneration phases, probably reflecting fluctuations in bog-surface wetness. A major establishment phase at 7200-6900?cal a BP reflects the onset of a period of lowered groundwater level, also indicated by increased peat humification, and a development consistent with regional temperature and lake level reconstructions revealed from other proxies. This study demonstrates that subfossil bog-pine populations may provide annually to decadally resolved reconstructions of local groundwater variability, which are highly relevant in a long-term palaeoclimatic context. Copyright (c) 2012 John Wiley & Sons, Ltd. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Holocene thermal maximum, palaeohydrology, Scots pine, subfossil trees
in
Journal of Quaternary Science
volume
27
issue
6
pages
553 - 563
publisher
John Wiley & Sons
external identifiers
  • wos:000307549400002
  • scopus:84865181863
ISSN
1099-1417
DOI
10.1002/jqs.2543
project
BECC
MERGE
language
English
LU publication?
yes
id
f6d3d3f5-87b9-42a5-a2d4-378843941a69 (old id 3059756)
date added to LUP
2012-09-26 09:57:53
date last changed
2017-05-28 04:11:15
@article{f6d3d3f5-87b9-42a5-a2d4-378843941a69,
  abstract     = {Dendrochronological analysis was applied to subfossil remains of Scots pine (Pinus sylvestris L.) buried in a South Swedish peat deposit. In combination with peat stratigraphy, this approach was explored for its potential to provide information on the local hydrological and depositional history at the site, forming the basis for a regional palaeohydrological analysis. A 726-year ring-width chronology was developed and assigned an absolute age of 7233-6508cal a BP (5284-4559 BC) through cross-dating with German bog-pine chronologies, whereas two short additional records of older ages were radiocarbon dated. Registration of growth positions of individual trees allowed assessment of the spatial dynamics of the pine population in response to hydrological changes and peatland ontogeny. Annually resolved growth variability patterns in the pine population reveal several establishment and degeneration phases, probably reflecting fluctuations in bog-surface wetness. A major establishment phase at 7200-6900?cal a BP reflects the onset of a period of lowered groundwater level, also indicated by increased peat humification, and a development consistent with regional temperature and lake level reconstructions revealed from other proxies. This study demonstrates that subfossil bog-pine populations may provide annually to decadally resolved reconstructions of local groundwater variability, which are highly relevant in a long-term palaeoclimatic context. Copyright (c) 2012 John Wiley & Sons, Ltd.},
  author       = {Edvardsson, Johannes and Linderson, Hans and Rundgren, Mats and Hammarlund, Dan},
  issn         = {1099-1417},
  keyword      = {Holocene thermal maximum,palaeohydrology,Scots pine,subfossil trees},
  language     = {eng},
  number       = {6},
  pages        = {553--563},
  publisher    = {John Wiley & Sons},
  series       = {Journal of Quaternary Science},
  title        = {Holocene peatland development and hydrological variability inferred from bog-pine dendrochronology and peat stratigraphy - a case study from southern Sweden},
  url          = {http://dx.doi.org/10.1002/jqs.2543},
  volume       = {27},
  year         = {2012},
}