Currents tidal download11/28/2023 ![]() Furthermore, information about tidal currents is used for many practical applications, such as navigation, fisheries and marine structures and operations.īarotropic tidal models 1, 4 based on the depth-integrated momentum and continuity equations provide ocean surface height and depth-averaged currents for major tidal constituents throughout the Arctic. Tidal currents are also a key element shaping the marine ecosystem with impacts ranging from creating the habitat of the intertidal zone to mixing of nutrients. Tidal currents are often the dominant source of current variability and play an important role in shaping the Arctic Ocean hydrography and sea ice cover 1, 2, 3. ![]() This atlas may also be a valuable tool for resource management and industrial applications such as fisheries, navigation and offshore construction. 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. 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. On shorter time scales, wind-driven inertial currents cannot be analytically separated from semidiurnal tidal constituents. The atlas contains different tidal current products designed for the analysis of tidal parameters from monthly to inter-annual time scales. 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. Tidal and wind-driven near-inertial currents play a vital role in the changing Arctic climate and the marine ecosystems.
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