منابع مشابه
A a Quantification of the Effects of Data Denial and Limitation in Mm5 Initialization on Forecast Accuracy Thesis
Using the 3-Dimensional Variational Analysis data assimilation scheme and the Pennsylvania State University (PSU)/National Center for Atmospheric Research (NCAR) Mesoscale Model 5 (MM5) as configured and run operationally by the Air Force Weather Agency (AFWA) in the European theater, input observations were denied in three different categories: total, upper air, and surface observation denial....
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We present a type system for checking object immutability, read-only references, and class immutability in an open or closed world. To allow object initialization outside object constructors (which is often needed in practice), im mutable objects are initialized in lexically scoped regions. The system is simple and direct; its only type qualifiers specify immutability properties. No auxiliary...
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Recent work has sparked new interest in type-supervised part-of-speech tagging, a data setting in which no labeled sentences are available, but the set of allowed tags is known for each word type. This paper describes observational initialization, a novel technique for initializing EM when training a type-supervised HMM tagger. Our initializer allocates probability mass to unambiguous transitio...
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Ocean general circulation models (OGCMs) are important tools for climatological research. These models approximate the solution to the governing equations to predict horizontal velocity components, temperature, salinity, and other chosen parameters. The GFDL OGCM, or Modular Ocean Model (MOM), is an example of such a code. This code was originally developed at the Geophysical Fluids Dynamics La...
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With the March 1998 release of the Penn State University/NCAR Mesoscale Model (MM5), the official version of the model (MM5v2 Release 8) now runs on distributed memory (DM) message-passing platforms. Under an IBM-funded effort, source translation and runtime library support minimize the impact of parallelization on the original model source code with the result that the majority of code is line...
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ژورنال
عنوان ژورنال: Monthly Weather Review
سال: 2002
ISSN: 0027-0644,1520-0493
DOI: 10.1175/1520-0493(2002)130<2966:gttiim>2.0.co;2