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RISOptimal Vertical Discretization for Atmospheric Models
Publisher: American Meteorological Society
Abstract: The vertical levels used in atmospheric models are selected for a variety of reasons, but the selection process has not been systematized. The study presented herein represents an attempt to do so. An atmospheric model is ...
Three-Dimensional Scaling and Consistent Truncation of Global Atmospheric Models
Publisher: American Meteorological Society
Abstract: A three-dimensional scale index based on spherical domain and quasigeostrophic scale analysis indicates a truncation limit of global atmospheric models that includes both horizontal and vertical dimensions. Applying such ...
Impact of Data Assimilation on Ocean Initialization and El Niño Prediction
Publisher: American Meteorological Society
Abstract: In this study, the authors compare skills of forecasts of tropical Pacific sea surface temperatures from the National Centers for Environmental Prediction (NCEP) coupled general circulation model that were initiated using ...
An Evaluation of the National Meteorological Center Weekly Hindcast of Upper-Ocean Temperature along the Eastern Pacific Equator in January 1992
Publisher: American Meteorological Society
Abstract: The upper-ocean temperature distribution along the Pacific equator from 139° to 103°W was observed in January 1992 with temperature profiles recorded from a ship and inferred from an ocean general circulation model calculation ...
Efficient Theoretical and Numerical Methods for Solving Free Vibrations and Transient Responses of a Circular Plate Coupled With Fluid Subjected to Impact Loadings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an easy-to-use theoretical method and an efficient numerical method for solving free vibrations and transient responses of a circular plate coupled with fluid subjected to impact loadings and provides ...
Theoretical Analysis of Free Vibration and Transient Response of Rectangular Plate–Cavity System Under Impact Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a theoretical method to solve the free vibration and transient responses of a rectangular plate–cavity system. The spectral collocation method was used to solve the resonant frequencies and corresponding ...
A Multiseason Climate Forecast System at the National Meteorological Center
Publisher: American Meteorological Society
Abstract: The Coupled Model Project was established at the National Meteorological Center(NMC)in January l991 to develop a multiseason forecast system based on coupled ocean atmosphere general circulation models. This provided a ...
ENSO Prediction with Markov Models: The Impact of Sea Level
Publisher: American Meteorological Society
Abstract: A series of seasonally varying linear Markov models are constructed in a reduced multivariate empirical orthogonal function (MEOF) space of observed sea surface temperature, surface wind stress, and sea level analysis. The ...
An Improved Coupled Model for ENSO Prediction and Implications for Ocean Initialization. Part II: The Coupled Model
Publisher: American Meteorological Society
Abstract: An improved forecast system has been developed and implemented for ENSO prediction at the National Centers for Environmental Prediction (NCEP). This system consists of a new ocean data assimilation system and an improved ...
An Improved Coupled Model for ENSO Prediction and Implications for Ocean Initialization. Part I: The Ocean Data Assimilation System
Publisher: American Meteorological Society
Abstract: An improved forecast system has been developed for El Niño?Southern Oscillation (ENSO) prediction at the National Centers for Environmental Prediction. Improvements have been made both to the ocean data assimilation system ...