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A comparison of explicit and implicit integration schemes in four-dimensional data assimilation
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1973
[PDF-5.00 MB]
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Description:"One of the more attractive proposals for the four-dimensional assimilation of meteorological data yet to appear in the voluminous literature on this subject is due to Morel and Talagrand (1973). They suggest repeated insertion of observations into a dynamic model equipped with special artificial viscosity terms as the model is integrated forward and backward over the interval encompassing the data. Their experiments, although simulations of the "identical twin" variety, suggest that this approach will be successful. Unfortunately, given the very large models now existing and considering those planned for later in this decade, such an approach appears to be feasible only for large research-oriented institutions with ample megahours of computer time available. For operational use, a much more economical scheme must be designed"--Introduction.
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Content Notes:Ronald D. McPherson.
"June 1973."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references.
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Rights Information:Public Domain
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