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Apr 26, 2012
A High-Resolution Coastal Circulation Model for Lunenburg Bay, Nova Scotia
Authors: Jinyu Sheng and Liang WangAuthor Affiliations
Publication: Estuarine and Coastal Modeling (2003)
Abstract
A high-resolution coastal circulation model is used to study the three-dimensional barotropic circulation in Lunenburg Bay and adjacent Upper and Lower South Coves, Nova Scotia. The model is driven by tidal forcing and shelf waves specified at the model open boundaries and wind stress applied at the sea surface. The tidal forcing at the model open boundaries is inferred from the tidal sea level prediction at Lunenburg Harbour. The remotely generated sub-inertial shelf waves that propagate into the model domain through the model open boundaries are calculated by a coarse-resolution storm surge model for the eastern Canadian seaboard. The high-resolution coastal circulation model is used to investigate the nonlinear tidal dynamics in the study region. The model results demonstrate that tidal circulation in the bay and the two coves is highly nonlinear with strong tidal asymmetry between flooding and ebbing, with an intense narrow jet flowing outward from Upper South Cove to Lunenburg Bay during the ebb. The coastal circulation model is also used to simulate the barotropic circulation in Lunenburg Bay during Hurricane Gustav in the second week of September, 2002. The model results demonstrate strong interactions between the local wind stress, tidal forcing, and remotely generated shelf waves during this period.
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© 2004 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Jinyu Sheng
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J1
Liang Wang
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J1
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.