Show simple item record Neil F. en_US Michael J. en_US 2011-09-09T11:39:36Z 2011-09-09T11:39:36Z 2011-09-09 en_US
dc.identifier en_US
dc.identifier.citation Glasser , N F & Hambrey , M J 2011 , ' delta D-delta O-18 relationships on a polythermal valley glacier: Midtre Lovenbreen, Svalbard ' Polar Research , vol 21 , no. 1 , pp. 123-131 . , 10.1111/j.1751-8369.2002.tb00071.x en_US
dc.identifier.other PURE: 170570 en_US
dc.identifier.other dspace: 2160/7568 en_US
dc.description.abstract This paper outlines the results of stable isotope (deltaD-delta(18)O) analysis of snow and glacier ice undertaken as part of a larger study concerning structural glaciology, debris entrainment and debris transport patterns at Midtre Lovenbreen, Svalbard. Samples of fresh snow were collected from the glacier surface in spring 1999 and samples of surface glacier ice and basal ice samples were collected in summer 1999. When plotted on bivariate co-isotopic diagrams (deltaD-delta(18)O), the slopes obtained for snow and unmodified glacier ice (6.4 and 6.9, respectively) are less steep than those for the basal ice layer and transverse ice layers on the ice surface (7.6 and 7.7, respectively). The difference in the slope of these lines is not statistically significant at the sample size (50) used in this study. The results indicate that although stable isotope analysis clearly has potential for studies of debris entrainment, transport and structural glaciology, difficulties remain with applying this technique. It is therefore not possible to apply these isotopic techniques to ice facies of unknown origins. In particular, large sample numbers are required to establish statistical differences and high-resolution sampling of specific ice facies may be necessary to establish isotopic differences. en_US
dc.format.extent 9 en_US
dc.relation.ispartof Polar Research en_US
dc.title delta D-delta O-18 relationships on a polythermal valley glacier: Midtre Lovenbreen, Svalbard en_US
dc.contributor.pbl Institute of Geography & Earth Sciences en_US
dc.contributor.pbl Centre for Glaciology en_US

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