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Vortex Generation by Topography in Locally Unstable Baroclinic Flows
Publisher: American Meteorological Society
Abstract: The dynamics of a quasigeostrophic flow confined in a two-layer channel over variable topography on the beta plane is numerically investigated. The topography slopes uniformly upward in the north?south direction (in the ...
The Seasonality of Convective Events in the Labrador Sea
Publisher: American Meteorological Society
Abstract: odeling deep convection is a key challenge for climate science. Here two simulations of the Labrador Sea circulation obtained with the Regional Ocean Modeling System (ROMS) run at a horizontal resolution of 7.5 km are used ...
Eddy Formation near the West Coast of Greenland
Publisher: American Meteorological Society
Abstract: This paper extends A. Bracco and J. Pedlosky?s investigation of the eddy-formation mechanism in the eastern Labrador Sea by including a more realistic depiction of the boundary current. The quasigeostrophic model consists ...
Material Transport in Oceanic Gyres. Part I: Phenomenology
Publisher: American Meteorological Society
Abstract: Material spreading and mixing by oceanic mesoscale eddies are analyzed in an idealized, numerical model of the wind-driven, midlatitude oceanic circulation. The main focus is on the regime with large Reynolds number, Re, ...
Velocity Probability Density Functions for Oceanic Floats
Publisher: American Meteorological Society
Abstract: Probability density functions (PDFs) of daily velocities from subsurface floats deployed in the North Atlantic and equatorial Atlantic Oceans are examined. In general, the PDFs are approximately Gaussian for small velocities, ...
Lagrangian Velocity Distributions in a High-Resolution Numerical Simulation of the North Atlantic
Publisher: American Meteorological Society
Abstract: The statistical properties of Lagrangian velocities in a high-resolution numerical simulation of the North Atlantic Ocean are analyzed and discussed in the framework of particle dispersion parameterizations. Consistent ...
Paleoclimate Reconstructions of Tropical Sea Surface Temperatures from Precipitation Proxies: Methods, Uncertainties, and Nonstationarity
Publisher: American Meteorological Society
Abstract: Proxy-based paleoclimate reconstructions of tropical sea surface temperature (SST) fields may lead to better constraints of tropical climate variability in climate model projections. In this study, the authors quantify ...
Submesoscale Dynamics in the Northern Gulf of Mexico. Part III: Lagrangian Implications
Publisher: American Meteorological Society
Abstract: AbstractFour numerical simulations are used to characterize the impact of submesoscale circulations on surface Lagrangian statistics in the northern Gulf of Mexico over 2 months, February and August, representative of ...
Impacts of Convergence on Structure Functions from Surface Drifters in the Gulf of Mexico
Publisher: American Meteorological Society
Abstract: There are limitations in approximating Eulerian statistics from surface drifters, due to biases from surface convergences. By contrasting second- and third-order Eulerian and surface drifter structure functions obtained ...
NCAR’s Summer Colloquium: Capacity Building in Cross-Disciplinary Research of Earth System Carbon–Climate Connections
Publisher: American Meteorological Society