Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard
Published article, available at: https://doi.org/10.1038/s41598-019-43342-z Sediment cores from Kløverbladvatna, a threshold lake in Wahlenbergfjorden, Nordaustlandet, Svalbard were used to reconstruct Holocene glacier fluctuations. Meltwater from Etonbreen spills over a threshold to the lake, only...
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ftunivtroemsoe:oai:munin.uit.no:10037/15754 2023-05-15T16:22:12+02:00 Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard Schomacker, Anders Farnsworth, Wesley Randall Ingólfsson, Ólafur Allaart, Lis Håkansson, Lena Retelle, Michael Marie-Louise, Siggaard-Andersen Korsgaard, Niels J. Rouillard, Alexandra Kjellman, Sofia Elisabeth 2019-05-01 https://hdl.handle.net/10037/15754 https://doi.org/10.1038/s41598-019-43342-z eng eng NatureResearch The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request. Scientific Reports Schomacker, A., Farnsworth, W.R., Ingólfsson, O., Allaart, L., Håkansson, L., Retelle, M.J., Siggaard-Andersen, M-L., Korsgaard, N.J., Rouillard, A., Kjellman, S.E.(2019) Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard. Scientific Reports, 9 , (6799), 13 s. Https://doi.org/10.1038/s41598-019-43342 FRIDAID 1695261 https://doi.org/10.1038/s41598-019-43342-z 2045-2322 https://hdl.handle.net/10037/15754 openAccess VDP::Mathematics and natural science: 400::Geosciences: 450::Marine geology: 466 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Marin geologi: 466 Journal article Peer reviewed 2019 ftunivtroemsoe https://doi.org/10.1038/s41598-019-43342-z https://doi.org/10.1038/s41598-019-43342 2021-06-25T17:56:33Z Published article, available at: https://doi.org/10.1038/s41598-019-43342-z Sediment cores from Kløverbladvatna, a threshold lake in Wahlenbergfjorden, Nordaustlandet, Svalbard were used to reconstruct Holocene glacier fluctuations. Meltwater from Etonbreen spills over a threshold to the lake, only when the glacier is significantly larger than at present. Lithological logging, loss-on-ignition, ITRAX scanning and radiocarbon dating of the cores show that Kløverbladvatna became isolated from Wahlenbergfjorden c. 5.4 cal. kyr BP due to glacioisostatic rebound. During the Late Holocene, laminated clayey gyttja from lacustrine organic production and surface runoff from the catchment accumulated in the lake. The lacustrine sedimentary record suggests that meltwater only spilled over the threshold at the peak of the surge of Etonbreen in AD 1938. Hence, we suggest that this was the largest extent of Etonbreen in the (mid-late) Holocene. In Palanderbukta, a tributary fjord to Wahlenbergfjorden, raised beaches were surveyed and organic material collected to determine the age of the beaches and reconstruct postglacial relative sea level change. The age of the postglacial raised beaches ranges from 10.7 cal. kyr BP at 50 m a.s.l. to 3.13 cal. kyr BP at 2 m a.s.l. The reconstructed postglacial relative sea level curve adds valuable spatial and chronological data to the relative sea level record of Nordaustlandet. Article in Journal/Newspaper glacier Nordaustlandet Svalbard University of Tromsø: Munin Open Research Archive Etonbreen ENVELOPE(21.892,21.892,79.716,79.716) Nordaustlandet ENVELOPE(22.400,22.400,79.800,79.800) Palanderbukta ENVELOPE(20.642,20.642,79.590,79.590) Svalbard The Beaches ENVELOPE(-56.832,-56.832,49.583,49.583) Wahlenbergfjorden ENVELOPE(20.593,20.593,79.721,79.721) Scientific Reports 9 1 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
VDP::Mathematics and natural science: 400::Geosciences: 450::Marine geology: 466 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Marin geologi: 466 |
spellingShingle |
VDP::Mathematics and natural science: 400::Geosciences: 450::Marine geology: 466 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Marin geologi: 466 Schomacker, Anders Farnsworth, Wesley Randall Ingólfsson, Ólafur Allaart, Lis Håkansson, Lena Retelle, Michael Marie-Louise, Siggaard-Andersen Korsgaard, Niels J. Rouillard, Alexandra Kjellman, Sofia Elisabeth Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
topic_facet |
VDP::Mathematics and natural science: 400::Geosciences: 450::Marine geology: 466 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Marin geologi: 466 |
description |
Published article, available at: https://doi.org/10.1038/s41598-019-43342-z Sediment cores from Kløverbladvatna, a threshold lake in Wahlenbergfjorden, Nordaustlandet, Svalbard were used to reconstruct Holocene glacier fluctuations. Meltwater from Etonbreen spills over a threshold to the lake, only when the glacier is significantly larger than at present. Lithological logging, loss-on-ignition, ITRAX scanning and radiocarbon dating of the cores show that Kløverbladvatna became isolated from Wahlenbergfjorden c. 5.4 cal. kyr BP due to glacioisostatic rebound. During the Late Holocene, laminated clayey gyttja from lacustrine organic production and surface runoff from the catchment accumulated in the lake. The lacustrine sedimentary record suggests that meltwater only spilled over the threshold at the peak of the surge of Etonbreen in AD 1938. Hence, we suggest that this was the largest extent of Etonbreen in the (mid-late) Holocene. In Palanderbukta, a tributary fjord to Wahlenbergfjorden, raised beaches were surveyed and organic material collected to determine the age of the beaches and reconstruct postglacial relative sea level change. The age of the postglacial raised beaches ranges from 10.7 cal. kyr BP at 50 m a.s.l. to 3.13 cal. kyr BP at 2 m a.s.l. The reconstructed postglacial relative sea level curve adds valuable spatial and chronological data to the relative sea level record of Nordaustlandet. |
format |
Article in Journal/Newspaper |
author |
Schomacker, Anders Farnsworth, Wesley Randall Ingólfsson, Ólafur Allaart, Lis Håkansson, Lena Retelle, Michael Marie-Louise, Siggaard-Andersen Korsgaard, Niels J. Rouillard, Alexandra Kjellman, Sofia Elisabeth |
author_facet |
Schomacker, Anders Farnsworth, Wesley Randall Ingólfsson, Ólafur Allaart, Lis Håkansson, Lena Retelle, Michael Marie-Louise, Siggaard-Andersen Korsgaard, Niels J. Rouillard, Alexandra Kjellman, Sofia Elisabeth |
author_sort |
Schomacker, Anders |
title |
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
title_short |
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
title_full |
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
title_fullStr |
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
title_full_unstemmed |
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard |
title_sort |
postglacial relative sea level change and glacier activity in the early and late holocene: wahlenbergfjorden, nordaustlandet, svalbard |
publisher |
NatureResearch |
publishDate |
2019 |
url |
https://hdl.handle.net/10037/15754 https://doi.org/10.1038/s41598-019-43342-z |
long_lat |
ENVELOPE(21.892,21.892,79.716,79.716) ENVELOPE(22.400,22.400,79.800,79.800) ENVELOPE(20.642,20.642,79.590,79.590) ENVELOPE(-56.832,-56.832,49.583,49.583) ENVELOPE(20.593,20.593,79.721,79.721) |
geographic |
Etonbreen Nordaustlandet Palanderbukta Svalbard The Beaches Wahlenbergfjorden |
geographic_facet |
Etonbreen Nordaustlandet Palanderbukta Svalbard The Beaches Wahlenbergfjorden |
genre |
glacier Nordaustlandet Svalbard |
genre_facet |
glacier Nordaustlandet Svalbard |
op_relation |
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request. Scientific Reports Schomacker, A., Farnsworth, W.R., Ingólfsson, O., Allaart, L., Håkansson, L., Retelle, M.J., Siggaard-Andersen, M-L., Korsgaard, N.J., Rouillard, A., Kjellman, S.E.(2019) Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard. Scientific Reports, 9 , (6799), 13 s. Https://doi.org/10.1038/s41598-019-43342 FRIDAID 1695261 https://doi.org/10.1038/s41598-019-43342-z 2045-2322 https://hdl.handle.net/10037/15754 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1038/s41598-019-43342-z https://doi.org/10.1038/s41598-019-43342 |
container_title |
Scientific Reports |
container_volume |
9 |
container_issue |
1 |
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1766010172502704128 |