Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes
Cu, Hg, Ni, Pb, Se, and Zn concentrations in surface and preindustrial freshwater sediments from 66 lakes in the Norwegian and Russian Arctic were used for studying modern atmospheric deposition of these elements. Statistical analysis showed that, after adjusting for the effects of scavenging factor...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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1998
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Online Access: | http://dx.doi.org/10.1139/f98-026 http://www.nrcresearchpress.com/doi/pdf/10.1139/f98-026 |
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crcansciencepubl:10.1139/f98-026 2023-12-17T10:24:43+01:00 Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes Rognerud, Sigurd Skotvold, Trond Fjeld, Eirik Norton, Stephen A Hobæk, Anders 1998 http://dx.doi.org/10.1139/f98-026 http://www.nrcresearchpress.com/doi/pdf/10.1139/f98-026 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 55, issue 6, page 1512-1523 ISSN 0706-652X 1205-7533 Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 1998 crcansciencepubl https://doi.org/10.1139/f98-026 2023-11-19T13:39:06Z Cu, Hg, Ni, Pb, Se, and Zn concentrations in surface and preindustrial freshwater sediments from 66 lakes in the Norwegian and Russian Arctic were used for studying modern atmospheric deposition of these elements. Statistical analysis showed that, after adjusting for the effects of scavenging factors in sediments (organic matter, Al, and Fe), there were, in general, significantly higher concentrations of Hg and Pb in surface sediments than preindustrial sediments. The differences decreased with increasing latitude and increasing longitude to the east, and in the lakes from arctic islands of Svalbard and along the the arctic coastline of Russia, only Hg concentrations were elevated in surface sediments. We attribute this pattern to modern anthropogenic atmospheric deposition. There were no such differences or regional gradients for the other trace metals. A multivariate analysis of the sediment data showed that Hg and Se were associated with organic matter, whereas Cu, Ni, and Zn were associated with inorganic matter (Al, Fe). There was a shift in Pb association from inorganic matter in the reference sediment to organic matter in the surface sediment, which we interpret as an historic change in importance of sources (from bedrock-derived to atmospheric deposition). Article in Journal/Newspaper Arctic Svalbard Canadian Science Publishing (via Crossref) Arctic Svalbard Canadian Journal of Fisheries and Aquatic Sciences 55 6 1512 1523 |
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Open Polar |
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Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Aquatic Science Ecology, Evolution, Behavior and Systematics Rognerud, Sigurd Skotvold, Trond Fjeld, Eirik Norton, Stephen A Hobæk, Anders Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
topic_facet |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Cu, Hg, Ni, Pb, Se, and Zn concentrations in surface and preindustrial freshwater sediments from 66 lakes in the Norwegian and Russian Arctic were used for studying modern atmospheric deposition of these elements. Statistical analysis showed that, after adjusting for the effects of scavenging factors in sediments (organic matter, Al, and Fe), there were, in general, significantly higher concentrations of Hg and Pb in surface sediments than preindustrial sediments. The differences decreased with increasing latitude and increasing longitude to the east, and in the lakes from arctic islands of Svalbard and along the the arctic coastline of Russia, only Hg concentrations were elevated in surface sediments. We attribute this pattern to modern anthropogenic atmospheric deposition. There were no such differences or regional gradients for the other trace metals. A multivariate analysis of the sediment data showed that Hg and Se were associated with organic matter, whereas Cu, Ni, and Zn were associated with inorganic matter (Al, Fe). There was a shift in Pb association from inorganic matter in the reference sediment to organic matter in the surface sediment, which we interpret as an historic change in importance of sources (from bedrock-derived to atmospheric deposition). |
format |
Article in Journal/Newspaper |
author |
Rognerud, Sigurd Skotvold, Trond Fjeld, Eirik Norton, Stephen A Hobæk, Anders |
author_facet |
Rognerud, Sigurd Skotvold, Trond Fjeld, Eirik Norton, Stephen A Hobæk, Anders |
author_sort |
Rognerud, Sigurd |
title |
Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
title_short |
Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
title_full |
Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
title_fullStr |
Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
title_full_unstemmed |
Concentrations of trace elements in recent and preindustrial sediments from Norwegian and Russian Arctic lakes |
title_sort |
concentrations of trace elements in recent and preindustrial sediments from norwegian and russian arctic lakes |
publisher |
Canadian Science Publishing |
publishDate |
1998 |
url |
http://dx.doi.org/10.1139/f98-026 http://www.nrcresearchpress.com/doi/pdf/10.1139/f98-026 |
geographic |
Arctic Svalbard |
geographic_facet |
Arctic Svalbard |
genre |
Arctic Svalbard |
genre_facet |
Arctic Svalbard |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 55, issue 6, page 1512-1523 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f98-026 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
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55 |
container_issue |
6 |
container_start_page |
1512 |
op_container_end_page |
1523 |
_version_ |
1785569401575047168 |