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|Title:||High- and middle-latitude neutral mesospheric density response to geomagnetic storms|
|Citation:||Geophysical Research Letters, 2018; 45(1):436-444|
|Publisher:||American Geophysical Union|
|Wen Yi, Iain M. Reid, Xianghui Xue, Damian J. Murphy, Chris M. Hall, Masaki Tsutsumi, Baiqi Ning, Guozhu Li, Joel P. Younger, Tingdi Chen, and Xiankang Dou|
|Abstract:||We report the first observations of a high‐ and middle‐latitude neutral mesospheric density response to geomagnetic storms. Interhemisphere mesospheric densities are estimated using data from meteor radars at Davis Station (68.6°S, 77.9°E), Svalbard (78.3°N, 16°E) and Tromsø (69.6°N, 19.2°E), which are located under the auroral zone; the Mohe (53.5°N, 122.3°E), and Beijing (40.3°N, 116.2°E) meteor radars, located in northern midlatitudes, and the Microwave Limb Sounder (MLS) on the Aura satellite. Both case studies and a superposed epoch analysis indicate that geomagnetic storms can significantly influence mesospheric density, causing a greater than ~10% decrease in the auroral zones and a ~5% decrease at higher midlatitudes. With such large changes, it is reasonable to suspect that geomagnetic storms influence the dynamics of the high and middle latitudes mesosphere.|
|Description:||Published online 12 JAN 2018|
|Rights:||©2018. American Geophysical Union. All Rights Reserved.|
|Appears in Collections:||Physics publications|
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