Mathematics – Logic
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992adspr..12..193l&link_type=abstract
Advances in Space Research, Volume 12, Issue 7, p. 193-200.
Mathematics
Logic
Scientific paper
Variational data assimilation using the adjoint method is being pursued in the Norman, Oklahoma, meteorological community by a concerted effort between meteorologists, computer scientists and mathematicians. A series of experiments are under way that use some of the simplest atmospheric models still useful operationally (barotropic model) and more complex models (dry nonhydrostatic model). The effort is aimed at determining the strengths and weaknesses of the adjoint method and its potential for operational use. Of particular interest to us is the potential use of this method for the operational track prediction of hurricanes using a barotropic model with a sophisticated data assimilation scheme. We also want to know if this approach will prove useful in the determination of the three component wind field in the field of view of a single Doppler radar, i.e., a radar that measures only the radial component of the wind field. We report on progress with these models and use a simple example to give the reader some idea of both the mechanics and assumptions inherent with this method.
Bao Jingdong
Lewis Jacob
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