uu.seUppsala University Publications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
A synthetic ice core approach to estimate ion relocation in anice field site experiencing periodical melt: a case study onLomonosovfonna, Svalbard
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
Univ Lapland, Arctic Ctr, Rovaniemi 96101, Finland; Byrd Polar & Climate Res Ctr, 082A Scott Hall,1090 Carmack Rd, Columbus, OH 43210 USA.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
Show others and affiliations
2016 (English)In: The Cryosphere, ISSN 1994-0416, E-ISSN 1994-0424, Vol. 10, 961-976 p.Article in journal (Refereed) Published
Abstract [en]

Physical and chemical properties of four different ice cores (LF-97, LF-08, LF-09 and LF-11) drilled at Lomonosovfonna, Svalbard, were compared to investigate the effects of meltwater percolation on the chemical and physical stratigraphy of these records. A synthetic ice core approach was employed as reference record to estimate the ionic relocation and meltwater percolation length at this site during the period 2007-2010. Using this method, a partial ion elution sequence obtained for Lomonosovfonna was NO(3)(-)aEuro-> aEuro-SO42-, Mg2+, Cl-, K+, Na+ with nitrate being the most mobile within the snowpack. The relocation length of most of the ions was on the order of 1aEuro-m during this period. In addition, by using both a positive degree day (PDD) and a snow-energy model approaches to estimate the percentage of melt at Lomonosovfonna, we have calculated a melt percentage (MP) of the total annual accumulation within the range between 48 and 70aEuro-%, for the period between 2007 and 2010, which is above the MP range suggested by the ion relocation evidenced in the LF-syn core (i.e., MPaEuro-aEuro parts per thousand= aEuro-30aEuro-%). Using a firn-densification model to constrain the melt range, a MP of 30aEuro-% was found over the same period, which is consistent with the results of the synthetic ice core approach, and a 45aEuro-% of melt for the last 60 years. Considering the ionic relocation lengths and annual melt percentages, we estimate that the atmospheric ionic signal remains preserved in recently drilled Lomonosovfonna ice cores at an annual or bi-annual resolution when weather conditions were similar to those during the 2007-2010 period.

Place, publisher, year, edition, pages
2016. Vol. 10, 961-976 p.
National Category
Geosciences, Multidisciplinary
Research subject
Earth Science with specialization in Environmental Analysis
Identifiers
URN: urn:nbn:se:uu:diva-296180DOI: 10.5194/tc-10-961-2016ISI: 000379415500002OAI: oai:DiVA.org:uu-296180DiVA: diva2:936517
Funder
EU, European Research Council, 3.2.0801.12-0044
Available from: 2016-06-14 Created: 2016-06-14 Last updated: 2017-11-28Bibliographically approved

Open Access in DiVA

fulltext(5699 kB)132 downloads
File information
File name FULLTEXT01.pdfFile size 5699 kBChecksum SHA-512
de10039d99a9a70397468b70b95951cefea4f232f38b8c84557038c17f5d7d8097c3a2c78336db51a308d0f207d54ff12018fee806bd1ef4a816cda8d9ec6055
Type fulltextMimetype application/pdf

Other links

Publisher's full textFulltext

Authority records BETA

Vega, Carmen P.Pohjola, Veijo A.van Pelt, Ward J. J.Pettersson, Rickard

Search in DiVA

By author/editor
Vega, Carmen P.Pohjola, Veijo A.van Pelt, Ward J. J.Pettersson, Rickard
By organisation
Department of Earth SciencesLUVAL
In the same journal
The Cryosphere
Geosciences, Multidisciplinary

Search outside of DiVA

GoogleGoogle Scholar
Total: 132 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 422 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf