Atmospheric gravity waves generated during a solar eclipse

Details Atmospheric gravity waves generated during a solar eclipse Atmospheric gravity waves generated during a solar eclipse

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.275..109g&link_type=abstract

Nature, vol. 275, Sept. 14, 1978, p. 109-111.

Computer Science

7

Atmospheric Pressure, Gravity Waves, Solar Eclipses, Wave Generation, Bow Waves, Cross Correlation, Curvature, Pressure Effects, Pressure Gradients, Pressure Measurement, Spectrum Analysis

Scientific paper

Four microbarographs were used to detect atmospheric pressure oscillations caused by a solar eclipse. The data indicate that the moon's cool shadow moving with supersonic speed through the earth's atmosphere is able to generate bow waves (which are accompanied by pressure oscillations). Four stations in Australia collected data during the total solar eclipse of October 23, 1976, and the detected internal gravity waves were found to have a peak-to-peak amplitude of 0.1 to 0.2 Pa, a period of 23 min, and a velocity of 310 m/s. The analysis of the data is described.

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