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Observational and Numerical Evidence for Wind-Forced Coastal Trapped Long Waves
Wind-Forced Coastal Trapped Long Waves Numerical Evidence
2009/3/7
Recent work has shown that the linear, wind-forced quasi-geostrophic motion of stratified water over shelf topography can be described by a sum of modes, the amplitude of each of these modes satisfyin...
Non-Tidal Variability in the Chesapeake Bay and Potomac River：Evidence for Non-Local Forcing
Non-Tidal Variability Chesapeake Bay Potomac River Non-Local Forcing
2009/2/23
Non-tidal variability in the Chesapeake Bay and Potomac River, and its relation to atmospheric forcing, is examined from two-month sea level and bottom current measurements. The dominant sea level flu...
Form of the Temperature-Salinity Relationship in the Central Water：Evidence for Double-Diffusive Mixing
Temperature-Salinity Double-Diffusive Mixing Central Water
2009/2/10
Ingham (1966) reported that the temperature-salinity relationships in the Central Waters were much better described by a curve of constant density ratio (Rρ = αΔT/βΔS) than by a straight line. His res...
Evidence of a 4–6 Day Barotropic, Planetary Oscillation of the Pacific Ocean
Planetary Oscillation Pacific Ocean 4–6 Day Barotropic
2009/2/7
Spectral analysis of scattered island and coastal tide-gage records from the Pacific Ocean reveals the presence of a coherent sea level fluctuation at 4–6 days period. The oscillation is distinct from...
Evidence of Remote Forcing in the Equatorial Atlantic Ocean
sea-surface temperature Equatorial Atlantic Ocean
2009/2/7
An analysis of sea-surface temperature (SST) and surface winds in selected areas of the tropical Atlantic indicates that the nonseasonal variability of SST in the eastern equatorial Atlantic (Gulf of ...
Measurements of Gulf Stream Meandering and Evidence of Seasonal Thermocline Development Using Long-Range Acoustic Transmissions
Gulf Stream Meandering Seasonal Thermocline Development Long-Range Acoustic Transmissions
2009/2/6
Phase-coded signals with 60 rms resolution were transmitted twice weekly for several months from acoustic sources at 2000 m depth in the Sargasso Sea to three bottom-mounted receives designed as West,...
Further Evidence for Coastal Trapped Waves along the Peru Coast
Coastal Trapped Waves Peru Coast coastal sea level empirical orthogonal functions
2009/2/6
Time series of coastal sea level during 1976–77, from 2°12′S to 17°S along the west coast of South America, show that low-frequency, ω < 0.25 cycles per day (cpd), fluctuations propagate poleward with...
Evidence of a Several-Day Propagating Wave
Several-Day Propagating Wave bottom slope acts wave-guide
2009/1/15
A large 8-day oscillation was recorded during several months by current meters moored at several depths and places on the continental slope, off the Gulf of Lions in the northwestern Mediterranean Sea...
Evidence of Cross-Frontal Exchange Processes in the Gulf Stream Based on c
Gulf Stream Cross-Frontal Exchange Processes Cross-Frontal Exchange Processes
2009/1/4
A unique set of Lagrangian observations has recently been collected in the Gulf Stream using the newly developed isopycnal RAFOS float. Between January, 1984 and October, 1985, thirty-seven of these d...
Evidence for Barotropic Wave Radiation from the Gulf Stream
eddy kinetic energy Barotropic Wave Radiation Gulf Stream
2008/12/22
Highly energetic velocity fluctuations associated with topographic Rossby waves are frequently observed over the continental slope and rise off the United States and Canadian east coast. It has been s...
Evidence for Hydraulically Controlled Outflow of Brackish Water from Holandsfjord, Norway
Brackish Water Norway Holandsfjord
2008/12/3
A large number of historical vertical salinity profiles from the deep Holandsfjord are analyzed to investigate properties of the brackish surface layer. It is found that the mean salinity and mean thi...
The Southern Ocean Momentum Balance：Evidence for Topographic Effects from Numerical Model Output and Altimeter Data
Antarctic Circumpolar Current Fine Resolution Antarctic Model
2008/12/3
The momentum balance of the Antarctic Circumpolar Current is investigated using both output from a high-resolution primitive equation model and sea surface height measurements from the Geosat alti...
The Southern Ocean Momentum Balance：Evidence for Topographic Effects from Numerical Model Output and Altimeter Data
Antarctic Circumpolar Current Fine Resolution Antarctic Model
2008/11/26
The momentum balance of the Antarctic Circumpolar Current is investigated using both output from a high-resolution primitive equation model and sea surface height measurements from the Geosat altimete...
Evidence for the Existence of a North Hawaiian Ridge Current
North Hawaiian Ridge Current
2008/10/29
Two different datasets are examined for information about the existence and characteristics of the North Hawaiian Ridge Current (NHRC). The pan-Pacific drifter dataset shows a mean NHRC to be confined...
Abrupt Cooling of the Mediterranean Levantine Intermediate Water at the Beginning of the 1980s: Observational Evidence and Model Simulation
Mediterranean Levantine Intermediate Water Evidence Model Simulation
2008/8/12
The Levantine Intermediate Water (LIW) is an important water mass for the overall hydrology of the Mediterranean Sea and there are open questions connected with the possible long-term variability of i...