2006
DOI: 10.3137/ao.440101
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Seasonal Water Mass Analysis for the Straits of Juan de Fuca and Georgia

Abstract: A quantitative analysis of water masses in the coastal waters of southern British Columbia is performed with the Optimum Multiparameter (OMP) analysis method that optimizes the use of a hydrographic dataset by solving an over-determined linear set of mixing equations. The method is applied to a seasonal dataset collected over five years in the Strait of Georgia, a large semi-enclosed coastal basin, as well as in Juan de Fuca Strait, its main connection to the Pacific Ocean. Abundant freshwater discharge into t… Show more

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Cited by 64 publications
(53 citation statements)
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“…Although more similar to one another than to any other sample (Figure 3 top), Pacific cod collected in 2012 in U.S. waters may be different from those collected in 2013 in the northern Georgia Basin in Canada. Consistent with the north–south break, another shallow sill is located north of the San Juan Islands at Boundary Pass (Masson, 2006), and the Fraser River freshwater plume and deltaic plain extends from Vancouver, BC, Canada, across the Basin toward Vancouver Island. One or both of these physical features may help isolate Pacific cod in the deeper northern Georgia Basin from those to the south.…”
Section: Discussionmentioning
confidence: 75%
“…Although more similar to one another than to any other sample (Figure 3 top), Pacific cod collected in 2012 in U.S. waters may be different from those collected in 2013 in the northern Georgia Basin in Canada. Consistent with the north–south break, another shallow sill is located north of the San Juan Islands at Boundary Pass (Masson, 2006), and the Fraser River freshwater plume and deltaic plain extends from Vancouver, BC, Canada, across the Basin toward Vancouver Island. One or both of these physical features may help isolate Pacific cod in the deeper northern Georgia Basin from those to the south.…”
Section: Discussionmentioning
confidence: 75%
“…We use profiles of temperature, salinity, fluorescence, chlorophyll a, nitrate, and dissolved silica (1999 through 2012) measured near the model site (Pawlowicz et al, 2007;Masson, 2006;Masson and Peña, 2009;Peña et al, 2016) (Diane Masson, personal communication, 2014) to initialize the model (see Moore-Maley et al, 2016). Model runs are initialized in fall and run through a full year and then beyond until the end of the following December.…”
Section: Initialization and Forcingmentioning
confidence: 99%
“…Virtually none of the light that enters the SoG passes all the way through the surface estuarine outflow layer. The depth of separation between the outflowing and inflowing layers has been modelled at 50 m (Pawlowicz et al 2007) and 30 m (Riche and Pawlowicz 2014), and the depth of the Fraser River plume at 15 m (Johannessen et al 2006;Masson 2006). The more highly depth-resolved profiles shown here (Figs.…”
Section: Scalar Irradiance and The Average Cosinementioning
confidence: 85%