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Apr 26, 2012
A New Two-Way Nested-Grid Ocean Modeling Technique Applied to the Scotian Shelf and Slope
Authors: Xiaoming Zhai, Jinyu Sheng, and Richard GreatbatchAuthor Affiliations
Publication: Estuarine and Coastal Modeling (2003)
Abstract
A nested-grid ocean circulation model is developed for the Scotian Shelf and adjacent slope. The nested model consists of a fine-resolution inner model embedded inside a coarse-resolution outer model. The inner model covers the Scotian Shelf and slope, with a resolution of approximate 7 km. The outer model is the northwest Atlantic Ocean model developed by Sheng et al., with a horizontal resolution of approximate 25 km. The unique feature of the nested-grid model is its use of the semi-prognostic method to exchange information between the two different grids. The nested-grid ocean model is forced by the monthly mean COADS (Comprehensive Ocean-Atmosphere Data Set) wind stress and surface heat flux. The model sea surface salinity is restored to the monthly mean climatology. The nested-grid model is integrated for two years and the model results in the second year are presented in this paper. The inner model produces not only large-scale circulation features which are consistent with observations and those produced by the outer model, but also more meso-scale features than those in the outer model.
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© 2004 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Xiaoming Zhai
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J1
Jinyu Sheng
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J1
Richard Greatbatch
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J1
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