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Temporal Sampling: How Many Sections Are Needed to Quantify the Mean Transport and Structure of a Meandering Current?
Publisher: American Meteorological Society
Abstract: Two years of observations from an array of 16 inverted echo sounders deployed south of Australia near 51°S, 143.5°E are combined with hydrographic observations from the region to estimate the differences in baroclinic ...
Accuracy in Mooring Motion Temperature Corrections
Publisher: American Meteorological Society
Abstract: Moored temperature sensors, whether fixed or profiling, routinely need to be corrected to remove the signals associated with the vertical motion of the sensors when the moorings ?blow over? in strong flow events (for ...
Meridional Extent and Interannual Variability of the Pacific Ocean Tropical–Subtropical Warm Water Exchange
Publisher: American Meteorological Society
Abstract: Altimetric observations of sea surface height anomaly (SSHA) from the TOPEX/Poseidon and ERS satellites, hydrography, and the ECMWF and Florida State University wind products are used to track warm water (≥20°C) as it is ...
Interannual Variability in Warm Water Volume Transports in the Equatorial Pacific during 1993–99
Publisher: American Meteorological Society
Abstract: Previous studies have indicated that the volume of warm water (WWV) in the equatorial Pacific is intrinsically related to the dynamics of the El Niño?Southern Oscillation (ENSO) cycle. A gridded subsurface temperature ...
Accuracy of Florida Current Volume Transport Measurements at 27°N Using Multiple Observational Techniques
Publisher: American Meteorological Society
Abstract: or more than 30 years, the volume transport of the Florida Current at 27°N has been regularly estimated both via voltage measurements on a submarine cable and using ship-based measurements of horizontal velocity at nine ...
Estimating Mooring Motion when the Pressure Sensors Fail: A Method Employing Inverted Echo Sounders
Publisher: American Meteorological Society
Abstract: In the presence of a strong current, such as the Gulf Stream or the North Atlantic Current, current meter moorings are known to ?blow over? due to drag from the moving water. This dipping of the current meters, which has ...
Calibrating Inverted Echo Sounders Equipped with Pressure Sensors
Publisher: American Meteorological Society
Abstract: The addition of an accurate pressure sensor to the inverted echo sounder (IES) has allowed for the development of a new method for calibrating the IES?s acoustic travel-time record without the need for coincident ...
Observations of Warm Water Volume Changes in the Equatorial Pacific and Their Relationship to El Niño and La Niña
Publisher: American Meteorological Society
Abstract: This paper describes observed changes in surface winds, sea surface temperature (SST), and the volume of water warmer than 20°C (WWV) in the equatorial Pacific Ocean for the period 1980?99. The purpose is to test recent ...
Correction of Motional Electric Field Measurements for Galvanic Distortion
Publisher: American Meteorological Society
Abstract: Interactions between motional electric fields and lateral gradients in electrical conductivity (e.g., seafloor topography) produce boundary electric charges and galvanic (i.e., noninductive) secondary electric fields that ...
Vertical Velocities and Transports in the Equatorial Pacific during 1993–99
Publisher: American Meteorological Society
Abstract: Geostrophic and Ekman transports calculated from observations of subsurface thermal structure and surface winds are used to determine vertical velocities and transports as a function of time, depth, and longitude in the ...