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Infrasound propagation through the atmosphere with mesoscale wind velocity and temperature fluctuationsстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Chunchuzov Igor P., Kulichkov Sergey N., Popov Oleg E., Perepelkin Vitaly G.
- Журнал: Waves in Random and Complex Media
- Год издания: 2022
- Издательство: Taylor & Francis
- Местоположение издательства: United Kingdom
- Первая страница: 1
- Последняя страница: 16
- DOI: 10.1080/17455030.2022.2056259
- Аннотация: Some results on modeling and observation of infrasound propaga-tion in the atmosphere in a presence of mesoscale and anisotropic wind velocity and temperature fluctuations are presented. The theo-retical model of infrasound scattering from anisotropic wind velocity and temperature inhomogeneities of the atmosphere is developed. With this model, the appearance of the stratospheric, mesospheric, and thermospheric arrivals of the infrasound signals in the acous-tic shadow zones is explained. The analytic relation between thewave field of the scattered infrasound signal and the vertical pro-file of the effective sound speed fluctuations is obtained. Using this relation, the vertical profiles of the fluctuations within the upper stratosphere (25–55 km) and the lower thermosphere (105–140 km) were retrieved from the waveforms and travel times of the signals recorded in the acoustic shadow zones. The theoretical frequency spectrum of the infrasound wavefield reflected from the fine-scale layered structure of the atmosphere is obtained and compared with the spectra of the observed stratospheric arrivals.
- Добавил в систему: Куличков Сергей Николаевич