Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica
Peer reviewed: True Funder: École Polytechnique Fédérale de Lausanne Funder: Swiss Polar Institute Funder: Ferring Pharmaceuticals Inc. Funder: Natural Environment Research Council to the British Antarctic Survey’s Ice Dynamics and Paleoclimate program <jats:p>Here we present a case study for...
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ftunivcam:oai:www.repository.cam.ac.uk:1810/348333 2024-02-04T09:53:18+01:00 Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica Brown, JW Moser, DE Emanuelsson, DB Thomas, ER 2023-04-05T11:03:52Z text/xml application/zip application/pdf https://www.repository.cam.ac.uk/handle/1810/348333 https://doi.org/10.17863/CAM.95756 en eng eng MDPI AG http://dx.doi.org/10.3390/geosciences13030085 Geosciences (Switzerland) https://www.repository.cam.ac.uk/handle/1810/348333 doi:10.17863/CAM.95756 37 Earth Sciences 3709 Physical Geography and Environmental Geoscience 3705 Geology Eye Disease and Disorders of Vision Article 2023 ftunivcam https://doi.org/10.17863/CAM.95756 2024-01-11T23:26:37Z Peer reviewed: True Funder: École Polytechnique Fédérale de Lausanne Funder: Swiss Polar Institute Funder: Ferring Pharmaceuticals Inc. Funder: Natural Environment Research Council to the British Antarctic Survey’s Ice Dynamics and Paleoclimate program <jats:p>Here we present a case study for using visual stratigraphy to date a shallow firn core from coastal West Antarctica. The Mount Siple ice core has the potential to reconstruct climate in this data-sparse region over recent decades. Line scanned images of the 24 m firn core were used to generate a grey-scale, which displays variability consistent with annual cycles. The resulting Mount Siple age scale spans from 1998 ± 1 to 2017 CE. This study demonstrates that the seasonal changes in the grey-scale record provide an independent method of dating firn cores. However, the presence of melt layers at this site has introduced an error of ±1 year. Visual line stratigraphy has the unique advantage over traditional annual layer counting, based on chemical or isotopic species, of being non-destructive and relatively inexpensive. Visual line stratigraphy has proved to be an effective dating method for this site.</jats:p> Article in Journal/Newspaper Antarc* Antarctic Antarctica ice core Swiss Polar Institute West Antarctica Apollo - University of Cambridge Repository Antarctic West Antarctica Siple ENVELOPE(-83.917,-83.917,-75.917,-75.917) Mount Siple ENVELOPE(-126.475,-126.475,-73.459,-73.459) |
institution |
Open Polar |
collection |
Apollo - University of Cambridge Repository |
op_collection_id |
ftunivcam |
language |
English |
topic |
37 Earth Sciences 3709 Physical Geography and Environmental Geoscience 3705 Geology Eye Disease and Disorders of Vision |
spellingShingle |
37 Earth Sciences 3709 Physical Geography and Environmental Geoscience 3705 Geology Eye Disease and Disorders of Vision Brown, JW Moser, DE Emanuelsson, DB Thomas, ER Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
topic_facet |
37 Earth Sciences 3709 Physical Geography and Environmental Geoscience 3705 Geology Eye Disease and Disorders of Vision |
description |
Peer reviewed: True Funder: École Polytechnique Fédérale de Lausanne Funder: Swiss Polar Institute Funder: Ferring Pharmaceuticals Inc. Funder: Natural Environment Research Council to the British Antarctic Survey’s Ice Dynamics and Paleoclimate program <jats:p>Here we present a case study for using visual stratigraphy to date a shallow firn core from coastal West Antarctica. The Mount Siple ice core has the potential to reconstruct climate in this data-sparse region over recent decades. Line scanned images of the 24 m firn core were used to generate a grey-scale, which displays variability consistent with annual cycles. The resulting Mount Siple age scale spans from 1998 ± 1 to 2017 CE. This study demonstrates that the seasonal changes in the grey-scale record provide an independent method of dating firn cores. However, the presence of melt layers at this site has introduced an error of ±1 year. Visual line stratigraphy has the unique advantage over traditional annual layer counting, based on chemical or isotopic species, of being non-destructive and relatively inexpensive. Visual line stratigraphy has proved to be an effective dating method for this site.</jats:p> |
format |
Article in Journal/Newspaper |
author |
Brown, JW Moser, DE Emanuelsson, DB Thomas, ER |
author_facet |
Brown, JW Moser, DE Emanuelsson, DB Thomas, ER |
author_sort |
Brown, JW |
title |
Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
title_short |
Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
title_full |
Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
title_fullStr |
Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
title_full_unstemmed |
Visual Stratigraphy-Based Age Scale Developed for the Shallow Mount Siple Firn Core, Antarctica |
title_sort |
visual stratigraphy-based age scale developed for the shallow mount siple firn core, antarctica |
publisher |
MDPI AG |
publishDate |
2023 |
url |
https://www.repository.cam.ac.uk/handle/1810/348333 https://doi.org/10.17863/CAM.95756 |
long_lat |
ENVELOPE(-83.917,-83.917,-75.917,-75.917) ENVELOPE(-126.475,-126.475,-73.459,-73.459) |
geographic |
Antarctic West Antarctica Siple Mount Siple |
geographic_facet |
Antarctic West Antarctica Siple Mount Siple |
genre |
Antarc* Antarctic Antarctica ice core Swiss Polar Institute West Antarctica |
genre_facet |
Antarc* Antarctic Antarctica ice core Swiss Polar Institute West Antarctica |
op_relation |
https://www.repository.cam.ac.uk/handle/1810/348333 doi:10.17863/CAM.95756 |
op_doi |
https://doi.org/10.17863/CAM.95756 |
_version_ |
1789965134335049728 |