High resolution analyses of recent sediments from a Norwegian mountain lake and comparison with instrumental records of climate
Cameron, N.G., Schnell,, Ø. A., Rautio, M. L., Lami, A., Livingstone, D.M., Appleby, P.G., Dearing, J. A. and Rose, N.L. (2002) High resolution analyses of recent sediments from a Norwegian mountain lake and comparison with instrumental records of climate. Journal of Paleolimnology, 28, (1), 79-93. (doi:10.1023/A:1020324019052).
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The purpose of the palaeolimnological research project carried out at Øvre Neådalsvatn was to apply a number of physical and biological proxy-climate analyses to recent sediments and to compare the results of these analyses with instrumental records of climate. Using a radiometric chronology to match the sediment core with the calendar ages of the reconstructed instrumental record, and by time-averaging the instrumental record, the statistical significance of the relationships between each of the sediment-climate proxies and the reconstructed instrumental-climate measurements were evaluated.
Acid deposition at Øvre Neådalsvatn has been low and its impact limited. Whilst there has been an overall rise in mean annual temperature of about 1 °C since 1900, the physical and biological sediment records studied appear to be insensitive to climate warming of this magnitude. On the one hand, this may be a result of the loss in temporal resolution caused by time-averaging the instrumental data; on the other hand, the lake may be insensitive to the impact of this climate change.
|Keywords:||mountain lake, Norwegian Mountains, diatoms, cladocerans, chironomids , chrysophytes, mineral magnetics, carbonaceous particles, pigments, climate, instrumental records|
|Subjects:||G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GB Physical geography
|Divisions:||University Structure - Pre August 2011 > School of Geography > Environmental Processes and Change
|Date Deposited:||04 Aug 2008|
|Last Modified:||01 Jun 2011 12:10|
|Contributors:||Cameron, N.G. (Author)
Schnell,, Ø. A. (Author)
Rautio, M. L. (Author)
Lami, A. (Author)
Livingstone, D.M. (Author)
Appleby, P.G. (Author)
Dearing, J. A. (Author)
Rose, N.L. (Author)
|Date:||1 June 2002|
|Contact Email Address:||J.Dearing@soton.ac.uk|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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