Barotropic and baroclinic tidal currents in the eastern basins of the North Atlantic
作者： Gerold Siedler , Uwe Paul
DOI: 10.1029/91JC02319
关键词: Mode (statistics) 、 Tidal current 、 Geology 、 Oceanography 、 Barotropic fluid 、 Baroclinity 、 Cape verde 、 Continental shelf 、 Continental margin 、 Structural basin 、 Climatology 、 Earth-Surface Processes 、 Ecology (disciplines) 、 Earth and Planetary Sciences (miscellaneous) 、 Space and Planetary Science 、 Palaeontology 、 Forestry 、 Aquatic science 、 Atmospheric Science 、 Soil science 、 Geochemistry and Petrology 、 Geophysics 、 Water Science and Technology
摘要: Data from a large-scale moored array in the Iberian and Canary basins are used to determine energies of barotropic baroclinic M2 S2 tides. An analysis time-varying dynamical modes is performed. The results for confirm global surface tide model Schwiderski (1980) this region. dominate deep basins, but increased contributions usually found over rough topography. At three locations near continental slope southern Basin mode. Results an moorings at northern part Cape Verde Rise show inverse behavior energies, such that energy steadily enhanced while reduced towards margin. increase consistent with generation internal tides close shelf by tidal forcing Further evidence process provided 2-week periodicity first-order mode slope, corresponding spring-neap cycle tide.
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