Physics
Scientific paper
Jun 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.2381a&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 12, p. 2381-2384
Physics
11
Atmospheric Composition And Structure: Ion Chemistry Of The Atmosphere, Global Change: Solar Variability, Meteorology And Atmospheric Dynamics: Climatology, Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics
Scientific paper
A number of observational studies have reported a connection between various lower atmospheric parameters and a range of geomagnetic and solar coronal indices. The bulk of the Sun's magnetized plasma energy is absorbed in the high-latitude upper atmosphere, far removed from the troposphere and the stratosphere, so a physical mechanism which accounts for these correlations has proved elusive. In this paper, a mechanistic three-dimensional model of the atmosphere between 10 and 130 km has been developed to demonstrate that high energy particles from the solar wind can perturb the winter stratosphere significantly. Planetary waves provide an effective means of coupling solar-induced changes in the thermosphere down to the stratosphere. A qualitatively similar response to forcing by increasing solar ultraviolet radiation was obtained even though there was no in situ forcing in the stratosphere.
Arnold Neil F.
Robinson Terry R.
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