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RISOn the Horizontal Extent of the Canada Basin Thermohaline Steps
Publisher: American Meteorological Society
Abstract: Microstructure profiles of temperatures through the diffusive thermohaline staircase above the Atlantic layer core in the Canada Basin of the Arctic Ocean are used to investigate the horizontal scales of layers. Daily ...
Assimilation of Ship-Mounted ADCP Data for Barotropic Tides: Application to the Ross Sea
Publisher: American Meteorological Society
Abstract: The application of a generalized inverse approach for assimilating vessel-mounted acoustic Doppler current profiler (VM-ADCP) data into numerical solutions of barotropic tides is described. The derived estimates of tidal ...
A Correction to the Baroclinic Pressure Gradient Term in the Princeton Ocean Model
Publisher: American Meteorological Society
Abstract: An error in the calculation of the baroclinic pressure gradient term in the Princeton Ocean Model (POM) was identified while modeling the M2 tidal current near its critical latitude in the southern Weddell Sea. The error ...
Richardson Number Statistics in the Seasonal Thermocline
Publisher: American Meteorological Society
Abstract: Statistics of Richardson number in the seasonal thermocline are determined for a simple model and from experiments over the continental shelf. The model consists of normally distributed and uncorrelated density gradient ...
The Application of Internal-Wave Dissipation Models to a Region of Strong Mixing
Publisher: American Meteorological Society
Abstract: Several models now exist for predicting the dissipation rate of turbulent kinetic energy, ?, in the oceanic thermocline as a function of the large-scale properties of the internal gravity wave field. These models are based ...
Winter Convection Transports Atlantic Water Heat to the Surface Layer in the Eastern Arctic Ocean
Publisher: American Meteorological Society
Abstract: 1-yr (2009/10) record of temperature and salinity profiles from Ice-Tethered Profiler (ITP) buoys in the Eurasian Basin (EB) of the Arctic Ocean is used to quantify the flux of heat from the upper pycnocline to the surface ...
Eastern Arctic Ocean Diapycnal Heat Fluxes through Large Double-Diffusive Steps
Publisher: American Meteorological Society
Abstract: The diffusive layering (DL) form of double-diffusive convection cools the Atlantic Water (AW) as it circulates around the Arctic Ocean. Large DL steps, with heights of homogeneous layers often greater than 10 m, have been ...
Mooring-Based Observations of Double-Diffusive Staircases over the Laptev Sea Slope
Publisher: American Meteorological Society
Abstract: yearlong time series from mooring-based high-resolution profiles of water temperature and salinity from the Laptev Sea slope (2003?04; 2686-m depth; 78°26?N, 125°37?E) shows six remarkably persistent staircase layers in ...
Weakening of Cold Halocline Layer Exposes Sea Ice to Oceanic Heat in the Eastern Arctic Ocean
Publisher: American Meteorological Society
Abstract: A 15-yr duration record of mooring observations from the eastern (>70°E) Eurasian Basin (EB) of the Arctic Ocean is used to show and quantify the recently increased oceanic heat flux from intermediate-depth (~150–900 ...