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Título

Model simulations of the Bay of Fundy Gyre: 1. Climatological results

AutorAretxabaleta, Alfredo L. ; McGillicuddy Jr., Dennis J.; Smith, Keston W.; Lynch, Daniel R.
Palabras claveBay of Fundy
Model simulations
Gyre climatology
Fecha de publicación29-oct-2008
EditorAmerican Geophysical Union
CitaciónJournal of Geophysical Research: Oceans 113(C10): C10027 (2008)
ResumenThe characteristics of a persistent gyre in the mouth of the Bay of Fundy are studied using model simulations. A set of climatological runs are conducted to evaluate the relative importance of the different forcing mechanisms affecting the gyre. The main mechanisms are tidal rectification and density-driven circulation. Stronger circulation of the gyre occurs during the later part of the stratified season (July–August and September–October). The density-driven flow around the gyre is set up by weak tidal mixing in the deep basin in the central Bay of Fundy and strong tidal mixing on the shallow flanks around Grand Manan Island and western Nova Scotia. Spring river discharge has an important influence on near-surface circulation but only a small effect when averaged over the entire water column. Retention of particles in the gyre is controlled by the residual tidal circulation, increased frontal retention during stratified periods, wind stress, and interactions with the adjacent circulation of the Gulf of Maine. Residence times longer than 30 days are predicted for particles released in the proximity of the gyre.
Descripción16 pages, 13 figures, 2 tables, supporting information http://onlinelibrary.wiley.com/doi/10.1029/2007JC004480/suppinfo.-- Full-text version available Open Access at: http://www.icm.csic.es/files/oce/almacen/papers/AR-2008-27.pdf
Versión del editorhttp://dx.doi.org/10.1029/2007JC004480
URIhttp://hdl.handle.net/10261/15460
DOI10.1029/2007JC004480
E-ISSN2169-9291
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