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Predictability of SST in an Idealized, One-Dimensional, Coupled Atmosphere–Ocean Climate Model with Stochastic Forcing and Advection
Publisher: American Meteorological Society
Abstract: The predictability of sea surface temperature (SST) is examined through analysis of an idealized, one-dimensional, stochastically forced climate model. The influence on SST predictability of including advection by a constant ...
Predictability of SST in a Stochastic Climate Model and Its Application to the Kuroshio Extension Region
Publisher: American Meteorological Society
Abstract: The influence of deterministic forcing on SST predictability is investigated in a zero-dimensional, stochastic, coupled atmosphere?ocean climate model. The SST anomaly predictability time is found to be very sensitive to ...
Direct Evidence of an Oceanic Inverse Kinetic Energy Cascade from Satellite Altimetry
Publisher: American Meteorological Society
Abstract: Sea surface height measurements from satellites reveal the turbulent properties of the South Pacific Ocean surface geostrophic circulation, both supporting and challenging different aspects of geostrophic turbulence theory. ...
Length Scales of Eddy Generation and Nonlinear Evolution of the Seasonally Modulated South Pacific Subtropical Countercurrent
Publisher: American Meteorological Society
Abstract: The dynamical processes behind the seasonal modulation of the two-dimensional eddy kinetic energy (EKE) wavenumber spectrum in the Subtropical Countercurrent region of the South Pacific are investigated with 14 yr of ...
Spectral Energy Fluxes in Geostrophic Turbulence: Implications for Ocean Energetics
Publisher: American Meteorological Society
Abstract: The energy pathways in geostrophic turbulence are explored using a two-layer, flat-bottom, f-plane, quasigeostrophic model forced by an imposed, horizontally homogenous, baroclinically unstable mean flow and damped by ...
On Quadratic Bottom Drag, Geostrophic Turbulence, and Oceanic Mesoscale Eddies
Publisher: American Meteorological Society
Abstract: Many investigators have idealized the oceanic mesoscale eddy field with numerical simulations of geostrophic turbulence forced by a horizontally homogeneous, baroclinically unstable mean flow. To date such studies have ...
Assessment of Traditional and New Eigenfunction Bases Applied to Extrapolation of Surface Geostrophic Current Time Series to Below the Surface in an Idealized Primitive Equation Simulation
Publisher: American Meteorological Society
Abstract: hree strategies were compared for extrapolating surface geostrophic velocities to below the surface: S1, using only the barotropic or first baroclinic mode; S2, using a fixed or ?phase locked? linear combination of the ...
Multidecadal Trends in Instrumental SST and Coral Proxy Sr/Ca Records
Publisher: American Meteorological Society
Abstract: Historical ship observations of sea surface temperature (SST) from 1850 to present were used to compute linear 40-yr trends for all 5° latitude by 5° longitude grid cells with sufficient data. Trends from throughout the ...
Cascade Inequalities for Forced–Dissipated Geostrophic Turbulence
Publisher: American Meteorological Society
Abstract: Analysis of spectral kinetic energy fluxes in satellite altimetry data has demonstrated that an inverse cascade of kinetic energy is ubiquitous in the ocean. In geostrophic turbulence models, a fully developed inverse ...
On Eddy Viscosity, Energy Cascades, and the Horizontal Resolution of Gridded Satellite Altimeter Products
Publisher: American Meteorological Society
Abstract: otivated by the recent interest in ocean energetics, the widespread use of horizontal eddy viscosity in models, and the promise of high horizontal resolution data from the planned wide-swath satellite altimeter, this paper ...