Simulation studies of tidal analysis using meteor echo returns

Details Simulation studies of tidal analysis using meteor echo returns Simulation studies of tidal analysis using meteor echo returns

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986rasc...21..955t&link_type=abstract

Radio Science (ISSN 0048-6604), vol. 21, Nov.-Dec. 1986, p. 955-963.

Computer Science

Computerized Simulation, Doppler Radar, Mesosphere, Meteoroids, Radar Echoes, Tides, Gravity Waves, Least Squares Method, Planetary Waves, Power Spectra, Spectrum Analysis

Scientific paper

A computer simulation of the Urbana, Illinois, meteor radar is performed to estimate the accuracy of the data-analysis procedures in determining upper-mesospheric tides. Various wind models such as planetary waves, gravity waves, and turbulence are tested, and it is found that for reasonable values of atmospheric variance the two-dimensional standard deviation of the tidal estimator is at most 8 m/s. The observed variability of the tides at Urbana during March 1980 exceeds the variability of a modeled steady-state tide, and the nature of the observed variability suggests a nonlinear interaction of the tide with gravity waves and/or planetary waves. The semidiurnal tide also exhibit phase fluctuations indicating the possible presence of a transient S(2,3) mode.

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