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The salinity: δ18O water relationship in Kongsfjorden, western Spitsbergen

MacLachlan, S.E.; Cottier, F.R.; Austin, W.E.N.; Howe, J.A.. 2007 The salinity: δ18O water relationship in Kongsfjorden, western Spitsbergen. Polar Research, 26 (2). 160-167. 10.1111/j.1751-8369.2007.00016.x

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Abstract/Summary

We present the first oxygen isotope measurements from Kongsfjorden in north-west Spitsbergen, and use the isotopic composition and hydrographic data to provide a detailed assessment of the mixing between freshwater and oceanic waters. Temperature, salinity(s) and oxygen isotope profiles are used to describe the seasonal evolution of hydrography in the inner part of the fjord, and to infer the dominant mixing and exchange processes. Data from atmospheric, glacial and marine sources throughout Kongsfjorden are used to construct a salinity: δ18O mixing line in a region that receives inputs of freshwater and marine Atlantic water. The dominant source of freshwater is glacial melt from a tidewater glacier complex at the head of the fjord, resulting in a seawater salinity: δ18O relationship where δ18O = 0.43S − 14.65. The Kongsfjorden data provides a northern latitudinal limit for mixing lines in the north-western European coastal system.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1111/j.1751-8369.2007.00016.x
ISSN: 0800-0395
Date made live: 28 Feb 2008 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/150552

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