Arctic tidal current atlas


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Abstract

Tidal and wind-driven near-inertial currents play a vital role in the changing Arctic climate and the marine ecosystems. We compiled 429 available moored current observations taken over the last two decades throughout the Arctic to assemble a pan-Arctic atlas of tidal band currents. The atlas contains different tidal current products designed for the analysis of tidal parameters from monthly to inter-annual time scales. On shorter time scales, wind-driven inertial currents cannot be analytically separated from semidiurnal tidal constituents. Thus, we include 10–30 h band-pass filtered currents, which include all semidiurnal and diurnal tidal constituents as well as wind-driven inertial currents for the analysis of high-frequency variability of ocean dynamics. This allows for a wide range of possible uses, including local case studies of baroclinic tidal currents, assessment of long-term trends in tidal band kinetic energy and Arctic-wide validation of ocean circulation models. This atlas may also be a valuable tool for resource management and industrial applications such as fisheries, navigation and offshore construction.



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Published
Eprint ID
59941
DOI 10.1038/s41597-020-00578-z

Cite as
Baumann, T. M. , Polyakov, I. V. , Padman, L. , Danielson, S. , Fer, I. , Janout, M. , Williams, W. and Pnyushkov, A. V. (2020): Arctic tidal current atlas , Scientific Data, 7 (1), p. 275 . doi: 10.1038/s41597-020-00578-z


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