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A 800 year record of nitrate from the Lomonosovfonna ice core, Svalbard
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Responsible organisation
2002 (English)In: ANNALS OF GLACIOLOGY, VOL 35, Univ Lapland, Arctic Ctr, FIN-96101 Rovaniemi, Finland. Univ Oulu, Dept Chem, FIN-90014 Oulu, Finland. British Antarctic Survey, Nat Environm Res Council, Cambridge CB3 0ET, England. Polar Environm Ctr, Norwegian Polar Res Inst, N-9296 Tromso, Norway. Uppsala Univ, Dept Earth Sci, S-75236 Uppsala, Sweden. Univ Utrecht, Inst Marine & Atmospher Res, NL-3508 TA Utrecht, Netherlands., 2002, 261-265 p.Conference paper, Published paper (Refereed)
Abstract [en]

Detailed chemical analysis of the 122 in, relatively high-altitude and low-melt Lomonosovfonna ice core provides the best-dated record of nitrate from Svalbard. A very significant non-linear trend present in the record shows: (a) a rise in concentrations from the 12th to the mid-16th century, (b) reasonably stable concentrations until the mid-19th century, (c) a rise in concentrations into the 20th century, with (d) a rapid rise in the 1950s and (e) a decrease after the mid-1980s. Nitrate is well correlated with ammonium before 1920 and after 1960 but not in the intervening period. The correlation between ammonium and nitrate concentrations indicates that ammonium nitrate (NH(4)NO(3)) has been common at Lomonosovfonna. There are also places in the core where nitrate is very closely associated with calcium.

Place, publisher, year, edition, pages
Univ Lapland, Arctic Ctr, FIN-96101 Rovaniemi, Finland. Univ Oulu, Dept Chem, FIN-90014 Oulu, Finland. British Antarctic Survey, Nat Environm Res Council, Cambridge CB3 0ET, England. Polar Environm Ctr, Norwegian Polar Res Inst, N-9296 Tromso, Norway. Uppsala Univ, Dept Earth Sci, S-75236 Uppsala, Sweden. Univ Utrecht, Inst Marine & Atmospher Res, NL-3508 TA Utrecht, Netherlands., 2002. 261-265 p.
Series
Annals of Glaciology-Series, ISSN 0260-3055 ; 35
Research subject
SWEDARCTIC
Identifiers
URN: urn:nbn:se:polar:diva-2439DOI: 10.3189/172756402781817121ISI: 000182023600043ISBN: 0-946417-30-X (print)OAI: oai:DiVA.org:polar-2439DiVA: diva2:883537
Conference
International Symposium on Ice Cores and Climate, AUG 19-23, 2001, KANGERLUSSUAQ, GREENLAND
Available from: 2015-12-17 Created: 2015-10-07 Last updated: 2015-12-17

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CiteExportLink to record
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Citation style
  • apa
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