Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998
To establish a natural background and its temporal and spatial variability for the area around Casey Station in the Windmill Islands, East Antarctica, the authors studied major and trace element concentrations and the distribution of organic matter in marine and lacustrine sediments. A wide range of...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.847813 2023-05-15T13:44:47+02:00 Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 Gasparon, Massimo Ehrler, Katharina Matschullat, Jörg Melles, Martin MEDIAN LATITUDE: -66.312785 * MEDIAN LONGITUDE: 110.549697 * SOUTH-BOUND LATITUDE: -66.471660 * WEST-BOUND LONGITUDE: 110.484000 * NORTH-BOUND LATITUDE: -66.241667 * EAST-BOUND LONGITUDE: 110.610000 * DATE/TIME START: 1998-11-07T00:00:00 * DATE/TIME END: 1998-11-28T00:00:00 2007-07-07 application/zip, 4 datasets https://doi.pangaea.de/10.1594/PANGAEA.847813 https://doi.org/10.1594/PANGAEA.847813 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.847813 https://doi.org/10.1594/PANGAEA.847813 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Gasparon, Massimo; Ehrler, Katharina; Matschullat, Jörg; Melles, Martin (2007): Temporal and spatial variability of geochemical backgrounds in the Windmill Islands, East Antarctica: Implications for climatic changes and human impacts. Applied Geochemistry, 22(5), 888-905, https://doi.org/10.1016/j.apgeochem.2006.12.018 Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 Dataset 2007 ftpangaea https://doi.org/10.1594/PANGAEA.847813 https://doi.org/10.1016/j.apgeochem.2006.12.018 2023-01-20T07:33:29Z To establish a natural background and its temporal and spatial variability for the area around Casey Station in the Windmill Islands, East Antarctica, the authors studied major and trace element concentrations and the distribution of organic matter in marine and lacustrine sediments. A wide range of natural variability in trace metal concentrations was identified between sites and within a time scale of 9 ka (e.g., Ni 5-37 mg/kg, Cu 20-190 mg/kg, Zn 50-300 mg/kg, Pb 4.5- 34 mg/kg). TOC concentrations are as high as 3 wt.% at the marine sites and 20 wt.% at the lacustrine sites, and indicate highly productive ecosystems. These data provide a background upon which the extent of human impact can be established, and existing data indicate negligible levels of disturbance. Geochemical and lithological data for a lacustrine sediment core from Beall Lake confirm earlier interpretation of recent climatic changes based on diatom distribution, and the onset of deglaciation in the northern part of the Windmill Islands between 8.6 and 8.0 ka BP. The results demonstrate that geochemical and lithological data can not only be used to define natural background values, but also to assess long-term climatic changes of a specific environment. Other sites, however, preserve a completely different sedimentary record. Therefore, inferred climatic record, and differences between sites, can be ascribed to differences in elevation, distance from the shore, water depth, and local catchment features. The extreme level of spatial variability seems to be a feature of Antarctic coastal areas, and demonstrates that results obtained from a specific site cannot be easily generalized to a larger area. Dataset Antarc* Antarctic Antarctica Arctic East Antarctica Sea ice Windmill Islands PANGAEA - Data Publisher for Earth & Environmental Science Arctic Antarctic East Antarctica Windmill Islands ENVELOPE(110.417,110.417,-66.350,-66.350) Casey Station ENVELOPE(110.528,110.528,-66.282,-66.282) ENVELOPE(110.484000,110.610000,-66.241667,-66.471660) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 |
spellingShingle |
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 Gasparon, Massimo Ehrler, Katharina Matschullat, Jörg Melles, Martin Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
topic_facet |
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 |
description |
To establish a natural background and its temporal and spatial variability for the area around Casey Station in the Windmill Islands, East Antarctica, the authors studied major and trace element concentrations and the distribution of organic matter in marine and lacustrine sediments. A wide range of natural variability in trace metal concentrations was identified between sites and within a time scale of 9 ka (e.g., Ni 5-37 mg/kg, Cu 20-190 mg/kg, Zn 50-300 mg/kg, Pb 4.5- 34 mg/kg). TOC concentrations are as high as 3 wt.% at the marine sites and 20 wt.% at the lacustrine sites, and indicate highly productive ecosystems. These data provide a background upon which the extent of human impact can be established, and existing data indicate negligible levels of disturbance. Geochemical and lithological data for a lacustrine sediment core from Beall Lake confirm earlier interpretation of recent climatic changes based on diatom distribution, and the onset of deglaciation in the northern part of the Windmill Islands between 8.6 and 8.0 ka BP. The results demonstrate that geochemical and lithological data can not only be used to define natural background values, but also to assess long-term climatic changes of a specific environment. Other sites, however, preserve a completely different sedimentary record. Therefore, inferred climatic record, and differences between sites, can be ascribed to differences in elevation, distance from the shore, water depth, and local catchment features. The extreme level of spatial variability seems to be a feature of Antarctic coastal areas, and demonstrates that results obtained from a specific site cannot be easily generalized to a larger area. |
format |
Dataset |
author |
Gasparon, Massimo Ehrler, Katharina Matschullat, Jörg Melles, Martin |
author_facet |
Gasparon, Massimo Ehrler, Katharina Matschullat, Jörg Melles, Martin |
author_sort |
Gasparon, Massimo |
title |
Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
title_short |
Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
title_full |
Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
title_fullStr |
Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
title_full_unstemmed |
Site characteristics, and major and trace element composition of sediment cores sampled around the Windmill Islands in 1998 |
title_sort |
site characteristics, and major and trace element composition of sediment cores sampled around the windmill islands in 1998 |
publisher |
PANGAEA |
publishDate |
2007 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.847813 https://doi.org/10.1594/PANGAEA.847813 |
op_coverage |
MEDIAN LATITUDE: -66.312785 * MEDIAN LONGITUDE: 110.549697 * SOUTH-BOUND LATITUDE: -66.471660 * WEST-BOUND LONGITUDE: 110.484000 * NORTH-BOUND LATITUDE: -66.241667 * EAST-BOUND LONGITUDE: 110.610000 * DATE/TIME START: 1998-11-07T00:00:00 * DATE/TIME END: 1998-11-28T00:00:00 |
long_lat |
ENVELOPE(110.417,110.417,-66.350,-66.350) ENVELOPE(110.528,110.528,-66.282,-66.282) ENVELOPE(110.484000,110.610000,-66.241667,-66.471660) |
geographic |
Arctic Antarctic East Antarctica Windmill Islands Casey Station |
geographic_facet |
Arctic Antarctic East Antarctica Windmill Islands Casey Station |
genre |
Antarc* Antarctic Antarctica Arctic East Antarctica Sea ice Windmill Islands |
genre_facet |
Antarc* Antarctic Antarctica Arctic East Antarctica Sea ice Windmill Islands |
op_source |
Supplement to: Gasparon, Massimo; Ehrler, Katharina; Matschullat, Jörg; Melles, Martin (2007): Temporal and spatial variability of geochemical backgrounds in the Windmill Islands, East Antarctica: Implications for climatic changes and human impacts. Applied Geochemistry, 22(5), 888-905, https://doi.org/10.1016/j.apgeochem.2006.12.018 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.847813 https://doi.org/10.1594/PANGAEA.847813 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.847813 https://doi.org/10.1016/j.apgeochem.2006.12.018 |
_version_ |
1766206289614995456 |