Further Use of Natural Infrasound as a Continuous Monitor of the Upper Atmosphere
- 1 September 1975
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 32 (9) , 1694-1704
- https://doi.org/10.1175/1520-0469(1975)032<1694:fuonia>2.0.co;2
Abstract
This is a further study of the use of natural infrasound in the atmosphere to monitor tidal circulation in the lower thermosphere. The height of this circulation is determined with the use of a reference atmospheric model, which is then used to calibrate infrasound/microseism ratios in terms of height. Also, we show from continuous observation over six years at 41°N, 74°W that the winter semidiurnal tide is present at least 62% of the time and the diurnal, at least 42% of the time.Keywords
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