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Intensity and spatio-temporal variability of chemical denudation in an arctic-oceanic periglacial drainage basin in northernmost Swedish Lapland
Responsible organisation
2005 (English)In: Nordic Hydrology, ISSN 0029-1277, E-ISSN 1996-9694, Vol. 36, no 1, 21-36 p.Article in journal (Refereed) Published
Abstract [en]

The intensity and spatio-temporal variability of chemical denudation was analyzed in the Latnjavagge drainage basin (9 km(2); 950-1440 m a.s.l.; 68 degrees 20’N, 18 degrees 30’E), an arctic-oceanic periglacial environment in northernmost Swedish Lapland. Data on daily runoff and solute concentrations at different test sites within the selected representative drainage basin were collected during the entire arctic summer seasons of 2000, 2001, 2002 and 2003. The mean annual chemical denudation net rate for the Latnjavagge drainage basin is 5.4 t/km(2) yr. Most of the annual runoff occurs when the ground is still frozen. The rate in Latnjavagge is much lower than chemical denudation rates reported for Karkevagge (Swedish Lapland) situated close to Latnjavagge, but at a similar level to a number of other subarctic, arctic and alpine environments. Chemical denudation shows a spatio-temporal variability within the drainage basin, which is mainly caused by a spatio-temporal variability of snow cover and ground frost and a spatial variability of regolith thicknesses within Latnjavagge.

Place, publisher, year, edition, pages
I W A PUBLISHING , 2005. Vol. 36, no 1, 21-36 p.
Keyword [en]
chemical denudation; ground frost; periglacial environment; regolith thickness; runoff; spatio-temporal variability
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:polar:diva-3643OAI: oai:DiVA.org:polar-3643DiVA: diva2:1103353
Available from: 2017-05-30 Created: 2017-05-30 Last updated: 2017-05-30

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  • apa
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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