Theoretical and experimental comparison of selected time integration methods applied to four-dimensional assimilation

McPherson, Ronald D.; Kistler, Robert E.

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Theoretical and experimental comparison of selected time integration methods applied to four-dimensional assimilation

Supporting Files

1975
By McPherson, Ronald D. ; Kistler, Robert E.
Series: NOAA technical memorandum NWS NMC 56

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Personal Author:

McPherson, Ronald D. ; Kistler, Robert E.
Corporate Authors:

National Meteorological Center (U.S.)
NOAA Program & Office:

NWS (National Weather Service)
Description:

The characteristics of several damping time integration methods, which have been used in four-dimensional data assimilation, are examined theoretically and experimentally. Included are two explicit methods, two semi-implicit methods, and a viscous method. The results indicate that, although there are differences in capability to damp gravitational noise, all the methods performed equally well in an experimental assimilation of real data.
Keywords:

Mathematical Models Meteorology Numerical Weather Forecasting Mathematical Models Numerical Weather Forecasting
Series:

NOAA technical memorandum NWS NMC 56
Format:

PDF
Document Type:

Technical Memorandum
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

urn:sha256:c151fb34e20b29d5c6518f29ecde39a3a53d80816d135a01515ea88dea8c4c48
Download URL:

https://repository.library.noaa.gov/view/noaa/55693/noaa_55693_DS1.pdf
File Type:

[PDF - 15.70 MB ]

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