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Unstable Waves on Oceanic Fronts: Large Amplitude Behavior and Mean Flow Generation
Publisher: American Meteorological Society
Abstract: A primitive equation numerical model is used to study the large amplitude behavior of unstable waves on an oceanic density front, concentrating on a single wave mode corresponding to the fastest growing linear solution. ...
Time Step Sensitivity and Accelerated Spinup of an Ocean GCM with a Complex Mixing Scheme
Publisher: American Meteorological Society
Abstract: The distorted physics (DP) technique of Bryan and Lewis is applied to an ocean GCM to allow longer time steps to be taken. The model includes a hybrid vertical mixing scheme for tracers, consisting of a Kraus?Turner mixed ...
Where to Look for Anthropogenic Climate Change in the Ocean
Publisher: American Meteorological Society
Abstract: A coupled climate model has been used to provide preliminary guidance on which ocean observations will be most useful for early detection of anthropogenic climate change. Given the sparsity of historical ocean measurements, ...
A General Theorem on Angular-Momentum Changes due to Potential Vorticity Mixing and on Potential-Energy Changes due to Buoyancy Mixing
Publisher: American Meteorological Society
Abstract: An initial zonally symmetric quasigeostrophic potential vorticity (PV) distribution qi(y) is subjected to complete or partial mixing within some finite zone |y| < L, where y is latitude. The change in M, the total absolute ...
Changes to Indian Ocean Subantarctic Mode Water in a Coupled Climate Model as CO2 Forcing Increases
Publisher: American Meteorological Society
Abstract: Subantarctic mode water (SAMW) has been shown to be a good indicator of anthropogenic climate change in coupled climate models. SAMW in a coupled climate model and the response of modeled SAMW to increasing CO2 are examined ...
THE INVERSION “BRIGHT BAND”
Publisher: American Meteorological Society
Abstract: Previous discussions of the ?bright band,? a radar phenomenon associated with the freezing level, have treated it as related to a ?normal? lapse rate?a progressive decrease of temperature with height, with surface temperatures ...
Processes Governing the Recovery of a Perturbed Thermohaline Circulation in HadCM3
Publisher: American Meteorological Society
Abstract: In an experiment with the latest version of the Hadley Centre climate model the model response has been analyzed after the thermohaline circulation (THC) in the Atlantic Ocean has been suppressed. The suppression is induced ...
Reevaluating the Causes of Observed Changes in Indian Ocean Water Masses
Publisher: American Meteorological Society
Abstract: The consistency between observed changes in Subantarctic Mode Water (SAMW) properties at 32°S in the Indian Ocean and model simulations is explored using the Third Hadley Centre Coupled Ocean?Atmosphere GCM (HadCM3). ...
Closure to “Ground Vibration Measurements near Impact Pile Driving” by Athina Grizi, Adda Athanasopoulos-Zekkos, and Richard D. Woods
Publisher: American Society of Civil Engineers
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