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RISEddy–Zonal Flow Interactions Associated with the Southern Hemisphere Annular Mode: Results from NCEP–DOE Reanalysis and a Quasi-Linear Model
Publisher: American Meteorological Society
Abstract: Using a recent 22-yr (1979?2000) record of the NCEP?Department of Energy (DOE) reanalysis 2 dataset (hereafter, NCEP2 reanalysis) and a two-level spherical quasi-geostrophic, quasi-linear model, the eddy?zonal- mean flow ...
Southern Hemisphere Annular Mode Variability and the Role of Optimal Nonmodal Growth
Publisher: American Meteorological Society
Abstract: The southern annular mode is the leading mode of Southern Hemisphere circulation variability, the temporal evolution of which is characterized by large amplitudes and significant persistence. Previous investigators have ...
Impact of Multidecadal Fluctuations in the Atlantic Thermohaline Circulation on Indo-Pacific Climate Variability in a Coupled GCM
Publisher: American Meteorological Society
Abstract: Using a multicentury integration of the third climate configuration of the Met Office Unified Model (HadCM3), the authors show that naturally occurring fluctuations in the Atlantic?s thermohaline circulation (THC) drive ...