Filtering of acoustic waves in the solar atmosphere

Details Filtering of acoustic waves in the solar atmosphere Filtering of acoustic waves in the solar atmosphere

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26a....46..159p&link_type=abstract

Astronomy and Astrophysics, vol. 46, no. 2, Jan. 1976, p. 159-161.

Astronomy and Astrophysics

Astrophysics

5

Linear Filters, Power Spectra, Solar Atmosphere, Wave Propagation, Atmospheric Temperature, Chromosphere, Perturbation Theory, Photosphere, Random Processes, Vertical Distribution

Scientific paper

The evolution with height of the power spectrum of the response of the solar atmosphere to an excitation in a wide range of frequencies is discussed. It is found that the layers under the photosphere enhance a range of periods around 300 s, while the photospheric and low chromospheric layers enhance 150-200 s periods. Linear filtering appears to be a process relevant for the understanding of major characteristics of solar atmospheric dynamics.

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