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The Low-Level Jet as a Western Boundary Current
Publisher: American Meteorological Society
Abstract: The low-level jet which flows across the equator and up the Somali coast is considered as a western boundary current of the East African mountain chain. The jet is assumed to be forced by the low-level divergence in the ...
Scatterometer Data Interpretation: Measurement Space and Inversion
Publisher: American Meteorological Society
Abstract: The geophysical interpretation of the radar measurements from the ERS-1 scatterometer, called σ0, is considered. An important tool in the interpretation of the data is the visualization of the triplets of radar backscatter ...
Variational Assimilation of Altimeter Data in a Multilayer Model of the Tropical Pacific Ocean
Publisher: American Meteorological Society
Abstract: A four-dimensional variational method is used to examine the extent to which a time sequence of altimeter measurements can determine the subsurface flow in a linear multilayer model of the tropical Pacific Ocean. The ...
Assimilation of Altimeter Data in the ECMWF Ocean Analysis System 3
Publisher: American Meteorological Society
Abstract: The latest version of the ECMWF ocean analysis system was recently introduced into operational use. This not only provides initial conditions for the monthly and seasonal forecast systems but also creates a historical ...
Seasonal Forecasting of Tropical Cyclone Landfall over Mozambique
Publisher: American Meteorological Society
Abstract: The 2000 tropical cyclone season over the South Indian Ocean (SIO) was exceptional in terms of tropical cyclone landfall over Mozambique. Observed data suggest that SIO tropical cyclones have a track significantly more ...
Seasonal Transport Variations in the Florida Straits: A Model Study
Publisher: American Meteorological Society
Abstract: In a previous study Anderson and Corry used a wind-driven two-layer model to study the effects of topography and islands on the seasonal variation of western boundary currents. The work is continued here with topography, ...
Initialization of Equatorial Waves in Ocean Models
Publisher: American Meteorological Society
Abstract: The relative information content of mass and velocity measurements for initializing low-frequency equatorially trapped waves is considered using analytical arguments and a numerical model For the Kelvin wave, mass and ...
Variational Assimilation of XBT Data. Part II. Sensitivity Studies and Use of Smoothing Constraints
Publisher: American Meteorological Society
Abstract: A linear reduced-gravity model of the tropical pacific is used to assimilate XBT data. The model cannot fit the data in the eastern equatorial Pacific for the whole assimilation period. Several experiments with real and ...
Variational Assimilation of XBT Data. Part 1
Publisher: American Meteorological Society
Abstract: A variations method based on the adjoint equation technique is used to assimilate data in a relatively simple linear reduced gravity model of the tropical Pacific. Real XBT data are used by identifying the depth of the ...
Slowly Propagating Disturbances in a Coupled Ocean-Atmosphere Model
Publisher: American Meteorological Society
Abstract: Solutions to a coupled atmosphere model are discussed. The model ocean is a generalization of a reduced-gravity model that includes an equation for the temperature of the layer T. The model atmosphere is linear, baroclinic, ...