Sentences with phrase «modeling tidal current»
Makinson, K., Modeling tidal current profiles and vertical mixing beneath Filchner - Ronne Ice Shelf, Antarctica, Journal of Physical Oceanography, in press.
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The models were not sophisticated enough to cope with the combination of «relatively coarse tidal and current data» and a general inability to predict the movement of oil on the surface in a complex inshore location.
The kite and cable model is designed to facilitate placing tidal turbines in deep water, where the stronger current has the potential for providing greater power but also makes it extremely difficult to plant a turbine in the seabed.
Global models of the tide height and depth - averaged tidal currents are based on the well - understood physics of gravitational forcing by the Moon and the Sun, and the equations of motion for the ocean.
These cause interesting, potentially stabilizing, feedbacks in models: if an ice shelf thins or retreats as the ocean or atmosphere warms, tidal currents can weaken as water depth increases, leading to lower melt rates.
Tidal variability in more complex regional models that include sea ice, ice shelves, and ocean currents that vary with depth, is obtained by using global models to set tides at the regional model's open boundaries.
Features of the model described here include the following: (1) tripolar grid to resolve the Arctic Ocean without polar filtering, (2) partial bottom step representation of topography to better represent topographically influenced advective and wave processes, (3) more accurate equation of state, (4) three - dimensional flux limited tracer advection to reduce overshoots and undershoots, (5) incorporation of regional climatological variability in shortwave penetration, (6) neutral physics parameterization for representation of the pathways of tracer transport, (7) staggered time stepping for tracer conservation and numerical efficiency, (8) anisotropic horizontal viscosities for representation of equatorial currents, (9) parameterization of exchange with marginal seas, (10) incorporation of a free surface that accommodates a dynamic ice model and wave propagation, (11) transport of water across the ocean free surface to eliminate unphysical «virtual tracer flux» methods, (12) parameterization of tidal mixing on continental shelves.