multibeam bathymetry and ctd measurements in two fjord systems in southeastern greenland

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ID: 206618
2017
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Abstract

We present bathymetry and hydrological observations collected in the summer of 2014 from two fjord systems in southeastern Greenland with a multibeam sonar system. Our results provide a detailed bathymetric map of the fjord complex around the island of Skjoldungen in Skjoldungen Fjord and the outer part of Timmiarmiut Fjord and show far greater depths compared to the International Bathymetric Chart of the Arctic Ocean. The hydrography collected shows different properties in the fjords with the bottom water masses below 240 m in Timmiarmiut Fjord being 1–2 °C warmer than in the two fjords around Skjoldungen, but data also illustrate the influence of sills on the exchange of deeper water masses within fjords. Moreover, evidence of subglacial discharge in Timmiarmiut Fjord, which is consistent with satellite observations of ice mélange set into motion, adds to our increasing understanding of the distribution of subglacial meltwater. Data are available through the PANGAEA website at https://doi.pangaea.de/10.1594/PANGAEA.860627.

Reference Key
kjeldsen2017earthmultibeam Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;K. K. Kjeldsen;K. K. Kjeldsen;K. K. Kjeldsen;R. W. Weinrebe;J. Bendtsen;J. Bendtsen;A. A. Bjørk;A. A. Bjørk;A. A. Bjørk;K. H. Kjær
Journal usak university journal of engineering sciences
Year 2017
DOI
10.5194/essd-9-589-2017
URL
https://www.earth-syst-sci-data.net/9/589/2017/essd-9-589-2017.pdf
Keywords
environmental sciencesgeology

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