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Space weather driven changes in lower atmosphere phenomena
- Source :
- Journal of Atmospheric and Solar-Terrestrial Physics. 98:22-30
- Publication Year :
- 2013
- Publisher :
- Elsevier BV, 2013.
-
Abstract
- During a period of heliospheric disturbance in 2007–9 associated with a co-rotating interaction region (CIR), a characteristic periodic variation becomes apparent in neutron monitor data. This variation is phase-locked to periodic heliospheric current sheet crossings. Phase-locked electrical variations are also seen in the terrestrial lower atmosphere in the southern UK, including an increase in the vertical conduction current density of fair weather atmospheric electricity during increases in galactic cosmic ray-induced neutron monitor count rate at the surface and energetic proton count rates measured by geosynchronous spacecraft. At the same time as the conduction current increases, changes in the cloud microphysical properties lead to an increase in the detected height of the cloud base at Lerwick Observatory, Shetland, with associated changes in surface meteorological quantities. As electrification is expected at the base of layer clouds, which can influence droplet properties, these observations of phase-locked thermodynamic, cloud, atmospheric electricity and solar sector changes are not inconsistent with a heliospheric disturbance driving lower troposphere changes.
- Subjects :
- Physics
Atmospheric Science
COSMIC cancer database
Neutron monitor
010504 meteorology & atmospheric sciences
Meteorology
Geosynchronous orbit
Space weather
Atmospheric sciences
01 natural sciences
Atmosphere
Troposphere
Geophysics
13. Climate action
Space and Planetary Science
Physics::Space Physics
0103 physical sciences
Atmospheric electricity
Heliospheric current sheet
010303 astronomy & astrophysics
Physics::Atmospheric and Oceanic Physics
0105 earth and related environmental sciences
Subjects
Details
- ISSN :
- 13646826
- Volume :
- 98
- Database :
- OpenAIRE
- Journal :
- Journal of Atmospheric and Solar-Terrestrial Physics
- Accession number :
- edsair.doi...........77d4d59c4dcdd9b85b2067eefb314c26