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Early Holocene NW-W winds reconstructed from small dune fields, central Sweden

Bernhardson, Martin LU and Alexanderson, Helena LU (2018) In Boreas 47(3). p.869-883
Abstract

Five small dune fields were investigated in central Sweden in the field and by using LiDAR-based remote sensing. The chronology of the dunes was determined using optically stimulated luminescence (OSL) dating. Most of the OSL ages indicate dune formation close to the time of deglaciation in this area of Sweden (11-10 cal. ka BP) and later sand drift events appear to have been uncommon, suggesting that most of the dune fields have been stable since their formation and throughout the Holocene. This makes them a valuable archive of past sand drift events and palaeowind directions, even though the dune fields are small compared to most other investigated dune fields around the world. The dunes are primarily of a transverse or parabolic... (More)

Five small dune fields were investigated in central Sweden in the field and by using LiDAR-based remote sensing. The chronology of the dunes was determined using optically stimulated luminescence (OSL) dating. Most of the OSL ages indicate dune formation close to the time of deglaciation in this area of Sweden (11-10 cal. ka BP) and later sand drift events appear to have been uncommon, suggesting that most of the dune fields have been stable since their formation and throughout the Holocene. This makes them a valuable archive of past sand drift events and palaeowind directions, even though the dune fields are small compared to most other investigated dune fields around the world. The dunes are primarily of a transverse or parabolic type, and their orientation suggests formation by westerly or northwesterly winds. The local topography appears to have had little control over the formation of the dunes, suggesting that the dunes can be used as a proxy of regional wind directions. All dune fields in this study are linked to glacifluvial deposits that provide spatially and volumetrically limited sources of sand.

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author
and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Boreas
volume
47
issue
3
pages
869 - 883
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:85042057130
ISSN
0300-9483
DOI
10.1111/bor.12307
project
Aeolian activity in Sweden: an unexplored environmental archive
Aeolian records
Aeolian Dunes of Central Scandinavia
language
English
LU publication?
yes
id
f3b2dead-fc87-40c3-8875-6ae6c8fd9bb9
date added to LUP
2018-03-07 14:26:33
date last changed
2024-01-14 16:27:40
@article{f3b2dead-fc87-40c3-8875-6ae6c8fd9bb9,
  abstract     = {{<p>Five small dune fields were investigated in central Sweden in the field and by using LiDAR-based remote sensing. The chronology of the dunes was determined using optically stimulated luminescence (OSL) dating. Most of the OSL ages indicate dune formation close to the time of deglaciation in this area of Sweden (11-10 cal. ka BP) and later sand drift events appear to have been uncommon, suggesting that most of the dune fields have been stable since their formation and throughout the Holocene. This makes them a valuable archive of past sand drift events and palaeowind directions, even though the dune fields are small compared to most other investigated dune fields around the world. The dunes are primarily of a transverse or parabolic type, and their orientation suggests formation by westerly or northwesterly winds. The local topography appears to have had little control over the formation of the dunes, suggesting that the dunes can be used as a proxy of regional wind directions. All dune fields in this study are linked to glacifluvial deposits that provide spatially and volumetrically limited sources of sand.</p>}},
  author       = {{Bernhardson, Martin and Alexanderson, Helena}},
  issn         = {{0300-9483}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{869--883}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Boreas}},
  title        = {{Early Holocene NW-W winds reconstructed from small dune fields, central Sweden}},
  url          = {{http://dx.doi.org/10.1111/bor.12307}},
  doi          = {{10.1111/bor.12307}},
  volume       = {{47}},
  year         = {{2018}},
}