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The north-eastern aeolian 'European Sand Belt' as potential record of environmental changes : A case study from Eastern Latvia and Southern Estonia

Kalinska-Nartisa, Edyta LU ; Thiel, Christine ; Nartišs, Maris ; Buylaert, Jan Pieter and Murray, Andrew S. (2016) In Aeolian Research 22. p.59-72
Abstract

The Latvian and Estonian inland dunes belong to the north-eastern part of the 'European Sand Belt' (ESB). These dunes are widely distributed over broad glaciolacustrine plains and Late Glacial alluvial deltas, considered to be potential sources for the aeolian material. Little is known about these aeolian sediments and their substratum; here we present a detailed sedimentary structural and textural characterisation together with a luminescence-based chronology. Through a comparison between grain-size, rounding of quartz grains and surface characteristics in medium/coarse (0.5-0.8 mm) sand, and the light mineral content, we found an alternation of aeolian and periglacial components. Further, short-lasting aeolian abrasion and/or... (More)

The Latvian and Estonian inland dunes belong to the north-eastern part of the 'European Sand Belt' (ESB). These dunes are widely distributed over broad glaciolacustrine plains and Late Glacial alluvial deltas, considered to be potential sources for the aeolian material. Little is known about these aeolian sediments and their substratum; here we present a detailed sedimentary structural and textural characterisation together with a luminescence-based chronology. Through a comparison between grain-size, rounding of quartz grains and surface characteristics in medium/coarse (0.5-0.8 mm) sand, and the light mineral content, we found an alternation of aeolian and periglacial components. Further, short-lasting aeolian abrasion and/or transportation periods, and a significant contribution of a nearby sediment source are suggested. Luminescence dating points to aeolian sand accumulation and dune formation between ~16 ka and ~9 ka. However, we also observed some presumably watertable controlled environmental conditions at ~13 ka; this corresponds with the occurrence of an ice-dammed/proglacial lake.

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Aeolian deposits, Eastern Latvia, European Sand Belt, Optically stimulated luminescence, Sedimentary features, Southern Estonia
in
Aeolian Research
volume
22
pages
14 pages
publisher
Elsevier
external identifiers
  • scopus:84974806601
  • wos:000385605400006
ISSN
1875-9637
DOI
10.1016/j.aeolia.2016.06.002
language
English
LU publication?
yes
id
53ea30be-bfb5-404a-8308-5f329438a4b8
date added to LUP
2016-11-28 14:44:13
date last changed
2024-05-03 14:48:24
@article{53ea30be-bfb5-404a-8308-5f329438a4b8,
  abstract     = {{<p>The Latvian and Estonian inland dunes belong to the north-eastern part of the 'European Sand Belt' (ESB). These dunes are widely distributed over broad glaciolacustrine plains and Late Glacial alluvial deltas, considered to be potential sources for the aeolian material. Little is known about these aeolian sediments and their substratum; here we present a detailed sedimentary structural and textural characterisation together with a luminescence-based chronology. Through a comparison between grain-size, rounding of quartz grains and surface characteristics in medium/coarse (0.5-0.8 mm) sand, and the light mineral content, we found an alternation of aeolian and periglacial components. Further, short-lasting aeolian abrasion and/or transportation periods, and a significant contribution of a nearby sediment source are suggested. Luminescence dating points to aeolian sand accumulation and dune formation between ~16 ka and ~9 ka. However, we also observed some presumably watertable controlled environmental conditions at ~13 ka; this corresponds with the occurrence of an ice-dammed/proglacial lake.</p>}},
  author       = {{Kalinska-Nartisa, Edyta and Thiel, Christine and Nartišs, Maris and Buylaert, Jan Pieter and Murray, Andrew S.}},
  issn         = {{1875-9637}},
  keywords     = {{Aeolian deposits; Eastern Latvia; European Sand Belt; Optically stimulated luminescence; Sedimentary features; Southern Estonia}},
  language     = {{eng}},
  month        = {{09}},
  pages        = {{59--72}},
  publisher    = {{Elsevier}},
  series       = {{Aeolian Research}},
  title        = {{The north-eastern aeolian 'European Sand Belt' as potential record of environmental changes : A case study from Eastern Latvia and Southern Estonia}},
  url          = {{http://dx.doi.org/10.1016/j.aeolia.2016.06.002}},
  doi          = {{10.1016/j.aeolia.2016.06.002}},
  volume       = {{22}},
  year         = {{2016}},
}