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RISReal-Time Screening Techniques for Doppler Current Profiler Data
Publisher: American Meteorological Society
Abstract: Computationally simple criteria for the identification of spurious Doppler profiler velocity estimates are described and evaluated. Their effectiveness is determined by changes in the confidence intervals and mean values ...
The Prediction of Wind-Forced Currents and Sea Level on the Southeast Australian Continental Shelf
Publisher: American Meteorological Society
Abstract: The Australian Coastal Experiment (ACE) in 1983?84 demonstrated the feasibility of using wind-forced coastal-trapped wave (CTW) theory to predict low-frequency alongshore currents and sea levels on the east Australian ...
Pitfalls with the Numerical Representation of Isopycnal Diapycnal Mixing
Publisher: American Meteorological Society
Abstract: Current numerical models of ocean circulation parameterize diffusion using a diagonal diffusivity tensor in a horizontal/vertical coordinate system rather than in the isopycnal/diapycnal directions. It is pointed out that ...
The Energy Source for the Coastal-Trapped Waves in the Australian Coastal Experiment Region
Publisher: American Meteorological Society
Abstract: The sea level on the southern Australian coast is examined for the source of the coastal-trapped wave energy observed during the Australian Coastal Experiment. Sea level, adjusted for atmospheric pressure, and atmospheric ...
Surface Eddy Momentum Flux and Velocity Variances in the Southern Ocean from Geosat Altimetry
Publisher: American Meteorological Society
Abstract: Satellite altimetry has previously been used to map the magnitude of the surface eddy variability of the global oceans, but the direction of the time-variable velocities have been more difficult to determine. Here, a ...
Coastal-Trapped Waves on the East Australian Continental Shelf Part I: Propagation of Modes
Publisher: American Meteorological Society
Abstract: The currents observed over the shelf and slope during the Australian Coastal Experiment (ACE) are used to determine the amplitudes (as functions of time) of the first three coastal-trapped wave (CTW) modes at three locations ...
Current and Density Observations across the Wake of Hurricane Gay
Publisher: American Meteorological Society
Abstract: CTD and acoustic Doppler current profiler data are analyzed for the response of the upper ocean to rapidly moving Hurricane Gay. Currents were observed within about two days of the hurricane passage and were dominated by ...
A Mass and Energy Conservation Analysis of Drift in the CMIP6 Ensemble
Publisher: American Meteorological Society
Abstract: Coupled climate models are prone to ‘drift’ (long-term unforced trends in state variables) due to incomplete spin-up and non-closure of the global mass and energy budgets. Here we assess model drift and the associated ...
ENSO-Related Global Ocean Heat Content Variations
Publisher: American Meteorological Society
Abstract: The modulation of the full-depth global integrated ocean heat content (GOHC) by El Niño?Southern Oscillation (ENSO) has been estimated in various studies. However, the quantitative results and the mechanisms at work remain ...
Freshwater and Heat Changes in the North and South Pacific Oceans between the 1960s and 1985–94
Publisher: American Meteorological Society
Abstract: Comparisons of hydrographic conditions in the North and South Pacific Oceans in the 1960s and 1985?94 have been made along five World Ocean Circulation Experiment sections. Below the seasonal mixed layer, statistically ...