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RISThe Origin of an Anomalous Ring in the Southeast Atlantic
Publisher: American Meteorological Society
Abstract: A warm core ring in the southeast Atlantic, previously thought to have come from the Brazil?Falklands (Malvinas) confluence, is traced back to the Agulhas retroflection. The path of this ring, sampled at 36°S, 4°E on 23 ...
Heat and Freshwater Fluxes through the Nordic Seas
Publisher: American Meteorological Society
Abstract: The major exchanges of volume, heat, and freshwater between the Arctic Ocean and the World Ocean occur through the Nordic seas. Here is presented the northernmost estimate for the oceanic transport of these properties that ...
Glacial Meltwater Identification in the Amundsen Sea
Publisher: American Meteorological Society
Abstract: ine Island Ice Shelf, in the Amundsen Sea, is losing mass because of warm ocean waters melting the ice from below. Tracing meltwater pathways from ice shelves is important for identifying the regions most affected by the ...
Nonlinear Climate Responses to Changes in Antarctic Intermediate Water
Publisher: American Meteorological Society
Abstract: he global impact of changes in Antarctic Intermediate Water (AAIW) properties is demonstrated using idealized perturbation experiments in a coupled climate model. Properties of AAIW were altered between 10° and 20°S in the ...
Water Mass Conversion, Fluxes, and Mixing in the Scotia Sea Diagnosed by an Inverse Model
Publisher: American Meteorological Society
Abstract: An inverse box model of the Scotia Sea is constructed using hydrographic, tracer, and velocity data collected along the rim of the basin during the Antarctic Large-Scale Box Analysis and the Role of the Scotia Sea (ALBATROSS) ...
Wind-Driven Transport Fluctuations through Drake Passage: A Southern Mode
Publisher: American Meteorological Society
Abstract: It is proposed that, for periods between about 10 and 220 days, the variability in Antarctic circumpolar transport is dominated by a barotropic mode that follows f/H contours almost everywhere. Theoretical arguments are ...
Variability of Subantarctic Mode Water and Antarctic Intermediate Water in the Drake Passage during the Late-Twentieth and Early-Twenty-First Centuries
Publisher: American Meteorological Society
Abstract: A time series of the physical and biogeochemical properties of Subantarctic Mode Water (SAMW) and Antarctic Intermediate Water (AAIW) in the Drake Passage between 1969 and 2005 is constructed using 24 transects of measurements ...
Collection of Water Samples from an Autonomous Underwater Vehicle for Tracer Analysis
Publisher: American Meteorological Society
Abstract: A compact water sampler rated to full ocean depth has been deployed from an autonomous underwater vehicle (AUV) to enable oceanographic tracer measurements. Techniques developed to allow the instrument to collect up to 49 ...
Surface Circulation at the Tip of the Antarctic Peninsula from Drifters
Publisher: American Meteorological Society
Abstract: 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) ...
Weddell Sea Export Pathways from Surface Drifters
Publisher: American Meteorological Society
Abstract: he complex export pathways that connect the surface waters of the Weddell Sea with the Antarctic Circumpolar Current influence water mass modification, nutrient fluxes, and ecosystem dynamics. To study this exchange, 40 ...