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Deep Signatures of Southern Tropical Indian Ocean Annual Rossby Waves
Publisher: American Meteorological Society
Abstract: he southern tropical Indian Ocean contains a striking forced annual Rossby wave studied previously using satellite altimeter sea surface height data, surface wind fields, expendable bathythermograph ocean temperature data, ...
Generation and Initial Evolution of a Mode Water θ–S Anomaly
Publisher: American Meteorological Society
Abstract: Generation and evolution of an isopycnal potential temperature?salinity (??S), or spiciness, anomaly is studied around 20°?23°S, 110°W in the austral winter of 2004. Two profiling CTD floats deployed in the region in January ...
Subantarctic and Polar Fronts of the Antarctic Circumpolar Current and Southern Ocean Heat and Freshwater Content Variability: A View from Argo
Publisher: American Meteorological Society
Abstract: rgo profiling floats initiated a revolution in observational physical oceanography by providing numerous, high-quality, global, year-round, in situ (0?2000 dbar) temperature and salinity observations. This study uses Argo?s ...
Multidecadal Warming and Shoaling of Antarctic Intermediate Water
Publisher: American Meteorological Society
Abstract: ntarctic Intermediate Water (AAIW) is a dominant Southern Hemisphere water mass that spreads from its formation regions just north of the Antarctic Circumpolar Current (ACC) to at least 20°S in all oceans. This study uses ...
Structure of the Atlantic Ocean Equatorial Deep Jets
Publisher: American Meteorological Society
Abstract: The equatorial deep jets in the Atlantic Ocean are described using vertical strain, ?z, estimated from all available deep CTD stations in the region. Wavelet analysis reveals a distinct energy peak around 661-sdbar vertical ...
Estimating Annual Global Upper-Ocean Heat Content Anomalies despite Irregular In Situ Ocean Sampling
Publisher: American Meteorological Society
Abstract: The effects of irregular in situ ocean sampling on estimates of annual globally integrated upper ocean heat content anomalies (OHCA) are investigated for sampling patterns from 1955 to 2006. An analytical method is presented ...
Secondary Circulation in the Faroe Bank Channel Outflow
Publisher: American Meteorological Society
Abstract: Data from a CTD station and three expendable current profiler drops at the center of the sill of the Faroe Bank Channel are used to examine the structure of the northwestward outflow of cold, relatively fresh, dense water ...
Warming of Global Abyssal and Deep Southern Ocean Waters between the 1990s and 2000s: Contributions to Global Heat and Sea Level Rise Budgets
Publisher: American Meteorological Society
Abstract: Abyssal global and deep Southern Ocean temperature trends are quantified between the 1990s and 2000s to assess the role of recent warming of these regions in global heat and sea level budgets. The authors 1) compute warming ...
Frictionally Modified Rotating Hydraulic Channel Exchange and Ocean Outflows
Publisher: American Meteorological Society
Abstract: Laboratory experiments of two-layer exchange through channels of circular and half-circular cross section are described. Simple theoretical limits on exchange for the circular channels are obtained from models involving ...