Surface currents in the Bransfield and Gerlache Straits, Antarctica

Zhou, Meng; Niiler, Pearn P.; Hu, Jiang

doi:10.1016/s0967-0637(01)00062-0

Cited by 139 publications

(139 citation statements)

References 14 publications

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“…A similar Chl-a gradient between the northern and southern sectors of the BS was also detected during the AMLR (Antarctic Marine Living Resources) sampling program from late February to March 2004 (Hewes et al, 2008). Lower Chl-a in the southern BS has been attributed to the surface flow of oligotrophic Weddell Sea waters toward the AP (Holm-Hansen and Zhou et al, 2002). In the present study, three types of vertical density profiles were observed (see Fig.…”

Section: Phytoplankton and Environmental Factors: Spatial Variabilitysupporting

confidence: 82%

Influence of oceanographic features on spatial and interannual variability of phytoplankton in the Bransfield Strait, Antarctica

Gonçalves-Araujo

Souza

Tavano

et al. 2015

Journal of Marine Systems

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Section: Phytoplankton and Environmental Factors: Spatial Variabilitysupporting

confidence: 82%

Influence of oceanographic features on spatial and interannual variability of phytoplankton in the Bransfield Strait, Antarctica

Gonçalves-Araujo

Souza

Tavano

et al. 2015

Journal of Marine Systems

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“…The formation of sea ice within Bransfield Strait during the period when the ADELIE drifters were close to the continent limited their movement. However, the ADELIE drifters did occupy similar locations to the drifters deployed by Zhou et al (2002), which were entrained into and transported eastward by the western boundary current.…”

mentioning

confidence: 89%

“…The historical drifters typically survived for longer periods because they were released earlier in austral summer and therefore did not encounter sea ice. The zonal orientation of f/h contours within Bransfield Strait coupled with the western boundary current (Zhou et al 2002) produces a large zonal mean displacement. Mean displacement in the along-f/h direction is smaller than both zonal and meridional displacements.…”

Section: Fig 9 Expanded View Of the Mean Circulation In The Boxed Rmentioning

confidence: 99%

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Surface Circulation at the Tip of the Antarctic Peninsula from Drifters

Thompson

Heywood

Thorpe

et al. 2009

Journal of Physical Oceanography

113

126

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An array of 40 surface drifters, drogued at 15-m depth, was deployed in February 2007 to the east of the tip of the Antarctic Peninsula as part of the Antarctic Drifter Experiment: Links to Isobaths and Ecosystems (ADELIE) project. Data obtained from these drifters and from a select number of local historical drifters provide the most detailed observations to date of the surface circulation in the northwestern Weddell Sea. The Antarctic Slope Front (ASF), characterized by a ∼20 cm s−1 current following the 1000-m isobath, is the dominant feature east of the peninsula. The slope front bifurcates when it encounters the South Scotia Ridge with the drifters following one of three paths. Drifters (i) are carried westward into Bransfield Strait; (ii) follow the 1000-m isobath to the east along the southern edge of the South Scotia Ridge; or (iii) become entrained in a large-standing eddy over the South Scotia Ridge. Drifters are strongly steered by contours of f /h (Coriolis frequency/depth) as shown by calculations of the first two moments of displacement in both geographic coordinates and coordinates locally aligned with contours of f /h. An eddy-mean decomposition of the drifter velocities indicates that shear in the mean flow makes the dominant contribution to dispersion in the along-f /h direction, but eddy processes are more important in dispersing particles across contours of f /h. The results of the ADELIE study suggest that the circulation near the tip of the Antarctic Peninsula may influence ecosystem dynamics in the Southern Ocean through Antarctic krill transport and the export of nutrients.

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“…These observations would be invaluable for measuring mixed layer heat content variability, which can be poorly correlated with SST changes (Kelly, 2004) Atlantic (Largier and Boyd, 2001), tropical Pacific (Grodsky and Carton, 2001b;Johnson, 2001;Yaremchuk and Qu, 2004), central subtropical Pacific Flament et al, 2001), western Pacific , North Pacific (Rabinovich and Thomson, 2001), tropical Indian (Grodsky and Carton, 2001a) and Southern (Zhou et al, 2002) oceans. Several recent studies have also focused on marginal seas including the Japan/East (Lee et al, 2000), South China (Centurioni et al, 2004) and Black Zhurbas et al, 2004) seas.…”

Section: Salinitymentioning

confidence: 99%