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  • 2015-2019  (2)
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  • 1
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    Time variability in the annual cycle of sea ice thickness in the Transpolar Drift (2015)
    Wiley-Blackwell
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    Publication Date: 2015-11-20
    Description: The annual cycle of modal and mean sea ice thickness was derived from upward looking sonar ice thickness observations (1990-2011) in Fram Strait. The average annual peak-to-trough amplitude of the mode of 0.54 m is superimposed on interannual variability with peak-to-trough amplitudes of 0.73 m on timescales of 6-8 years, which again is superimposed on a long-term trend of -0.55 m/decade over the observation period. The long-term trend is stronger for April than for August, the average months of maximum and minimum modal thickness. As a result, the annual peak-to-trough modal thickness amplitude was reduced by 30% between the 1990s and the 2000s. The average annual peak-to-trough amplitude of the mean ice thickness of 1.20 m is also superimposed on interannual variability, with as much as 0.97 m thickness change over only 3 years. These two modes of variability are superimposed on a long-term trend of -0.35 m/decade through the entire data set. In contrast to the modal thickness, the long-term trend is weaker for the average month of maximum mean thickness (June), than for the average month of minimum (September). Therefore, the annual peak-to-trough amplitude of the mean ice thickness increased by 14% between the 1990s and the 2000s. This article is protected by copyright. All rights reserved.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley-Blackwell on behalf of American Geophysical Union (AGU).
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  • 2
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    Adsorption of O_{2} on Ag(111): Evidence of Local Oxide Formation (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-07-30
    Description: Author(s): B. V. Andryushechkin, V. M. Shevlyuga, T. V. Pavlova, G. M. Zhidomirov, and K. N. Eltsov The atomic structure of the disordered phase formed by oxygen on Ag(111) at low coverage is determined by a combination of low-temperature scanning tunneling microscopy and density functional theory. We demonstrate that the previous assignment of the dark objects in STM to chemisorbed oxygen atoms i… [Phys. Rev. Lett. 117, 056101] Published Fri Jul 29, 2016
    Keywords: Condensed Matter: Structure, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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