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RISGlobal Linear Stability of the Two-Dimensional Shallow-Water Equations: An Application of the Distributive Theorem of Roots for Polynomials on the Unit Circle
Publisher: American Meteorological Society
Abstract: This paper deals with the numerical stability of the linearized shallow-water dynamic and thermodynamic system using centered spatial differencing and leapfrog time differencing. The nonlinear version of the equations is ...
A Nowcast/Forecast System for Coastal Ocean Circulation Using Simple Nudging Data Assimilation
Publisher: American Meteorological Society
Abstract: This study describes the establishment of a Nowcast/Forecast System for Coastal Ocean Circulation (NFS-COC), which was run operationally on a daily basis to provide users ocean surface currents and sea levels that vary ...
Diagnosing Ocean Unstable Baroclinic Waves and Meanders Using the Quasigeostrophic Equations and Q-Vector Method
Publisher: American Meteorological Society
Abstract: A three-dimensional, primitive equation model is applied to the ocean mesoscale eddies and unstable baroclinic waves across a density front in a channel under a very low viscosity environment. Current meanders are well ...
Inertial Stability and Phase Error of Time Integration Schemes in Ocean General Circulation Models
Publisher: American Meteorological Society
Abstract: Numerical finite-difference schemes of time integration in widely used ocean general circulation models are systematically examined to ensure the correct and accurate discretization of the Coriolis terms. Two groups of ...
A Constrained Data Assimilation Algorithm Based on GSI Hybrid 3D-EnVar and Its Application
Publisher: American Meteorological Society
The Impact of Constrained Data Assimilation on the Forecasts of Three Convection Systems during the ARM MC3E Field Campaign
Publisher: American Meteorological Society
Seasonal Exchanges of the Kuroshio and Shelf Waters and Their Impacts on the Shelf Currents of the East China Sea
Publisher: American Meteorological Society
Abstract: revious in situ observations and modeling studies have indicated that, through mass and momentum exchanges across the shelf edge, the Kuroshio can significantly influence the shelf currents of the East China Sea (ECS). ...
Joint Boost to Super El Niño from the Indian and Atlantic Oceans
Publisher: American Meteorological Society
Possible Feedback of Winter Sea Ice in the Greenland and Barents Seas on the Local Atmosphere
Publisher: American Meteorological Society
Abstract: Using monthly Arctic sea ice concentration data (1953?95) and the National Centers for Environmental Prediction?National Center for Atmospheric Research (NCEP?NCAR) reanalysis dataset (1958?99), possible feedbacks of sea ...
Dipole Anomaly in the Winter Arctic Atmosphere and Its Association with Sea Ice Motion
Publisher: American Meteorological Society
Abstract: This paper identified an atmospheric circulation anomaly?dipole structure anomaly in the Arctic atmosphere and its relationship with winter sea ice motion, based on the International Arctic Buoy Program (IABP) dataset ...