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RISExplorations of the Annual Mean Heat Budget of the Tropical Indian Ocean. Part II: Studies with a Simplified Ocean General Circulation Model
Publisher: American Meteorological Society
Abstract: Present-day OGCMs give low values of annual mean net heat flux (AMNHF) in the tropical Indian Ocean, compared to climatologies. AMNHF generation is examined in an open-boundary model of this region with realistic coastlines. ...
A Discussion of Flow Pathways in the Central and Eastern Equatorial Pacific
Publisher: American Meteorological Society
Abstract: An eddy-permitting global ocean model is used to interpret kinematics within the central and eastern equatorial Pacific Ocean, from 160°E to the coast of America. Because of high levels of variability in this region, ...
A 20-Yr Average of the Indonesian Throughflow: Regional Currents and the Interbasin Exchange
Publisher: American Meteorological Society
Abstract: Twenty years of monthly or more frequent repeat expendable bathythermograph data are used to estimate the mean geostrophic velocity and transport relative to 750 m of the Indonesian Throughflow (ITF) and its partitioning ...
A Zonal Momentum Balance on Density Layers for the Central and Eastern Equatorial Pacific
Publisher: American Meteorological Society
Abstract: Brown et al. analyzed the kinematics of flow in the equatorial Pacific Ocean, along time-varying isopycnals in a three-dimensional eddy-permitting model. Here the dynamics of these flows is explored in the same model via ...
Nonlinear Effects of Tropical Instability Waves on the Equatorial Pacific Circulation
Publisher: American Meteorological Society
Abstract: In a numerical model of the equatorial Pacific Ocean, the ?20-day period tropical instability waves, excited in the eastern half of the domain, are found to damp the strong zonal mean currents. The waves generate large, ...
Explorations of the Annual Mean Heat Budget of the Tropical Indian Ocean. Part I: Studies with an Idealized Model
Publisher: American Meteorological Society
Abstract: Annual mean net heat fluxes from ocean general circulation models (OGCMs) are systematically too low in the tropical Indian Ocean, compared to observations. In the models, only some of the geostrophic inflow replacing ...
The Leeuwin Current off Western Australia, 1986–1987
Publisher: American Meteorological Society
Abstract: The Leeuwin Current in the Indian Ocean off Western Australia differs from the other major eastern boundary currents, e.g., California Current, since it flows rapidly poleward against the prevailing equatorward wind. The ...
A Model of Sea Level Rise Caused by Ocean Thermal Expansion
Publisher: American Meteorological Society
Abstract: Warming of the atmosphere as a result of an increased concentration of greenhouse gases is expected to lead to a significant rise is global sea level. We present estimates of the component of this sea level rise caused by ...
The Mechanism for Antarctic Intermediate Water Renewal in a World Ocean Model
Publisher: American Meteorological Society
Abstract: Realistic representation of the low-salinity tongue of Antarctic Intermediate Water (AAIW) has been achieved in a coarse-resolution ocean general circulation model. The authors find that this water mass is not generated ...