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Ann. Geophys., 15, 1198-1204, 1997
www.ann-geophys.net/15/1198/1997/
© European Geosciences Union 1997
Modeling the diurnal tide with dissipation derived from UARS/HRDI measurements
M. A. Geller1, V. A. Yudin1, B. V. Khattatov2, and M. E. Hagan2
1State University of New York at Stony Brook, Stony Brook, New York, USA
2National Center for Atmospheric Research, Boulder, Colorado, USA
Abstract. This paper uses dissipation values derived
from UARS/HRDI observations in a recently published diurnal-tide model. These
model structures compare quite well with the UARS/HRDI observations with respect
to the annual variation of the diurnal tidal amplitudes and the size of the
amplitudes themselves. It is suggested that the annual variation of atmospheric
dissipation in the mesosphere-lower thermosphere is a major controlling factor
in determining the annual variation of the diurnal tide.
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