Prognostic Modeling Studies of the Keweenaw Current in Lake Superior. Part II: Simulation

作者: Jianrong Zhu , Changsheng Chen , Elise Ralph , Sarah A. Green , Judith Wells Budd

DOI: 10.1175/1520-0485(2001)031<0396:PMSOTK>2.0.CO;2

关键词: Current (stream)Wind forcingHeat fluxBuoyPeninsulaGeologySubmarine pipelineHeat transferAtmospheric sciencesMeteorologyForcing (mathematics)

摘要: The Keweenaw Current, observed along the coast of Peninsula in Lake Superior during July 1973, was simulated using a 3D, nonorthogonal coordinate transformation, primitive equation coastal ocean model. model domain covered entire lake with high resolution 250‐600 m cross-shelf direction and 4‐6 km alongshelf peninsula. initialized monthly averaged temperature field June 1973 run prognostically synoptic wind forcing plus heat flux. Good agreement found between model-predicted currents at buoy stations near Eagle Harbor. Comparison results without inclusion flux suggested that combined fluxes played key role intensification Current summer months. relatively strong near-inertial oscillations occurred episodically under conditions clockwise-rotating wind. These intensified surface, were weak coast, increased significantly offshore.

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