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RISMean Velocity Decomposition and Vertical Eddy Diffusivity of the Pacific Ocean from Surface GDP Drifters and 1000-m Argo Floats
Publisher: American Meteorological Society
Abstract: ith the relatively recent development of Global Drifter Program (GDP) drifters that measure the near-surface ocean velocity and Argo floats that can be used to derive both the intermediate-ocean (1000 m) velocity and the ...
Lagrangian Time Scales and Eddy Diffusivity at 1000 m Compared to the Surface in the South Pacific and Indian Oceans
Publisher: American Meteorological Society
Abstract: rgo floats cannot be regarded as true Lagrangian drifters because they periodically rise to the surface. Hence, previous estimates of eddy diffusivity at depth using single-particle statistics have been limited to one ...
Using an Army of Inverted Echo Sounders to Measure Dynamic Height and Geostrophic Current in the North Pacific Subtropical Gyre
Publisher: American Meteorological Society
Abstract: In 1991, an array of five inverted echo sounders (IESs) was deployed about 100 km north of the island of Oahu, Hawaii, as part of the World Ocean Circulation Experiment deep-water station. IESs record the round-trip acoustic ...
Energy Levels, Phase, and Amplitude Modulation of the Baroclinic Tide off Hawaii
Publisher: American Meteorological Society
Abstract: Inverted echo sounder data from Station Aloha north of Oahu, Hawaii, are used to determine the absolute energy levels and time-varying nature of the first-mode baroclinic tide north of Hawaii. The semidiurnal tide amplitude ...
Energy Levels, Phase, and Amplitude Modulation of the Baroclinic Tide off Hawaii
Publisher: American Meteorological Society
Abstract: Inverted echo sounder data from Station Aloha north of Oahu, Hawaii, are used to determine the absolute energy levels and time-varying nature of the first-mode baroclinic tide north of Hawaii. The semidiurnal tide amplitude ...
Tidal Energetics over the Chatham Rise, New Zealand
Publisher: American Meteorological Society
Abstract: Separate one-month current meter deployments in 1996 and 1997 over the Chatham Rise, east of New Zealand, show that tidal phases are both stable in time and close to those derived from a barotropic tidal model, while ...
Altimeter and Current Meter Observations of Internal Tides: Do They Agree?
Publisher: American Meteorological Society
Abstract: Baroclinic tides can be observed both remotely from the Ocean Topography Experiment (TOPEX)/Poseidon (T/P) altimeter and in situ using current meters. However, it is rare that current meter moorings have high vertical ...
The Low-Frequency Drift of Paroscientific Pressure Transducers
Publisher: American Meteorological Society
Abstract: Sea Data pressure gauges were used in 1985 and 1986 in the central equatorial Pacific Ocean to record subsurface pressure. These gauges were equipped with Paroscientific Digiquartz pressure transducers which suffered ...
Internal Tides near the Kermadec Ridge
Publisher: American Meteorological Society
Abstract: Current meter data from the WOCE PCM-9 array, extending 1000 km eastward from the Kermadec Ridge northeast of New Zealand, are used to investigate the internal tide. A high degree of spatial and temporal variability in the ...
A Deep Eddy in the Antarctic Intermediate Water North of the Chatham Rise
Publisher: American Meteorological Society
Abstract: In mid-1996, a hydrographic survey was made over the Chatham Rise, near New Zealand. A deep isolated eddy of Antarctic Intermediate Water was found north of the rise between 1200 and 1800 dbar. It was widest on a potential ...