Estimating the Energy Flux of Acoustic-Gravity Waves in the Solar Atmosphere from SDO/HMI Data

Details Estimating the Energy Flux of Acoustic-Gravity Waves in the Solar Atmosphere from SDO/HMI Data Estimating the Energy Flux of Acoustic-Gravity Waves in the Solar Atmosphere from SDO/HMI Data

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh11a1602f&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SH11A-1602

Astronomy and Astrophysics

Astrophysics

[7507] Solar Physics, Astrophysics, And Astronomy / Chromosphere, [7529] Solar Physics, Astrophysics, And Astronomy / Photosphere

Scientific paper

Straus et al. (2008, 2009) demonstrated the existence of internal gravity waves in the solar atmosphere and showed that they are a key mediator of mechanical energy in the middle/upper photosphere, transporting even more energy than high-frequency acoustic waves. Here we repeat this analysis with data from SDO/HMI, which offers several distinct advantages, which are particularly relevant for the study of internal gravity waves (which have long periods and small spatial scales): excellent image stability over long time intervals, high spatial resolution, large field-of-view, and good temporal cadence.

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