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RISObservations of Frontal Instabilities on an Upwelling Filament
Publisher: American Meteorological Society
Abstract: Frontal instabilities were observed along a density front on the cyclonic boundary of an upwelling filament that formed north of Pt. Arguello, California in October 1983. Observations of the instabilities were conducted ...
Uncertainty Estimates for SeaSonde HF Radar Ocean Current Observations
Publisher: American Meteorological Society
Abstract: HF radars typically produce maps of surface current velocities without estimates of the measurement uncertainties. Many users of HF radar data, including spill response and search and rescue operations, incorporate these ...
A Simple System for Mapping Conductivity Microstructure
Publisher: American Meteorological Society
Abstract: A system for spatial mapping of the temperature variance dissipation rate ? based on conductivity micro-structure measurements from a towyo platform is described. The spatial response of the microconductivity probe is ...
Double Diffusion and the Distribution of the Density Ratio in the Mediterranean Waterfront Southeast of the Azores
Publisher: American Meteorological Society
Abstract: Temperture and salinity (T?S) finestructure on vertical scales of 10 db and larger is examined in a 500 by 500 km grid located southeast of the Azores in the North Atlantic. The convergence of several water masses dominated ...
Direction Finding and Likelihood Ratio Detection for Oceanographic HF Radars
Publisher: American Meteorological Society
Evaluating Radial Current Measurements from CODAR High-Frequency Radars with Moored Current Meters
Publisher: American Meteorological Society
Abstract: The performance of a network of five CODAR (Coastal Ocean Dynamics Application Radar) SeaSonde high-frequency (HF) radars, broadcasting near 13 MHz and using the Multiple Signal Classification (MUSIC) algorithm for direction ...
A Gas-Capture Buoy for Measuring Bubbling Gas Flux in Oceans and Lakes
Publisher: American Meteorological Society
Abstract: The design, calibration, and deployment of a buoy and gas-capture assembly for measuring bubbling gas flux in oceans and lakes are described. The assembly collects gas in a chamber while continuously measuring the position ...
Interpreting Conductivity Microstructure: Estimating the Temperature Variance Dissipation Rate
Publisher: American Meteorological Society
Abstract: A simple model of the conductivity gradient spectrum is developed and used to interpret oceanic conductivity microstructure observations. A principal goal is to estimate the correction factor E for inferring the temperature ...
Measurement of Antenna Patterns for Oceanographic Radars Using Aerial Drones
Publisher: American Meteorological Society
Abstract: new method is described employing small drone aircraft for antenna pattern measurements (APMs) of high-frequency (HF) oceanographic radars used for observing ocean surface currents. Previous studies have shown that accurate ...
A Vector Geometry–Based Eddy Detection Algorithm and Its Application to a High-Resolution Numerical Model Product and High-Frequency Radar Surface Velocities in the Southern California Bight
Publisher: American Meteorological Society
Abstract: Automated eddy detection methods are fundamental tools to analyze eddy activity from the large datasets derived from satellite measurements and numerical model simulations. Existing methods are either based on the distribution ...