GUVI Biblio


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Found 8 entries in the Bibliography.

Showing entries from 1 through 8


An Opposite Response of the Low-Latitude Ionosphere at Asian and American Sectors During Storm Recovery Phases: Drivers From Below or Above

n this study, we focus on the recovery phase of a geomagnetic storm that happened on 6\textendash11 September 2017. The ground-based total electron content data, as well as the F region in situ electron density, measured by the Swarm satellites show an interesting feature, revealing at low and equatorial latitudes on the dayside ionosphere prominent positive and negative responses at the Asian and American longitudinal sectors, respectively. The global distribution of thermospheric O/N2 ratio measured ...

Xiong, Chao; Lühr, Hermann; Yamazaki, Yosuke;

YEAR: 2019     DOI: 10.1029/2019JA026917


East-west differences in F -region electron density at midlatitude: Evidence from the Far East region

The global configuration of the geomagnetic field shows that the maximum east-west difference in geomagnetic declination of northern middle latitude lies in the US region (~32\textdegree), which produces the significant ionospheric east-west coast difference in terms of total electron content first revealed by Zhang et al. (2011). For verification, it is valuable to investigate this feature over the Far East area, which also shows significant geomagnetic declination east-west gradient but smaller (~15\textdegree) than tha ...

Zhao, Biqiang; Wang, Min; Wang, Yungang; Ren, Zhipeng; Yue, Xinan; Zhu, Jie; Wan, Weixing; Ning, Baiqi; Liu, Jing; Xiong, Bo;

YEAR: 2013     DOI: 10.1029/2012JA018235

geomagnetic declination; longitudinal variation; midlatitude ionosphere

Nonmigrating tidal signatures in the magnitude and the inter-hemispheric asymmetry of the equatorial ionization anomaly

Based on nine years of observations from the satellites CHAMP and GRACE the tidal signatures in the magnitude and the inter-hemisphere asymmetry of the equatorial ionization anomaly (EIA) have been investigated in this study. The EIA magnitude parameters show longitudinal wavenumber 4 and 3 (WN4/WN3) patterns during the months around August and December, respectively, while for different EIA parameters the contributions of the various tidal parameters are different. For the crest- to-trough ratio (CTR) the dominating nonm ...

Xiong, C.; Lühr, H.;

YEAR: 2013     DOI: 10.5194/angeo-31-1115-2013

Atmospheric dynamics; Equatorial ionosphere; Ionosphere; ionosphere\textendashatmosphere interactions. Meteorology


A simulation study for the couplings between DE3 tide and longitudinal WN4 structure in the thermosphere and ionosphere

Wan, W.; Ren, Z.; Ding, F.; Xiong, J.; Liu, L.; Ning, B.; Zhao, B.; Li, G.; Zhang, M.-L.;

YEAR: 2012     DOI: 10.1016/j.jastp.2012.04.011

A long-lived band of plasma density enhancement at mid-latitudes during the 2003 Halloween magnetic storm

Park, Jaeheung; Lühra, Hermann; Jakowski, Norbert; Gerzen, Tatjana; Kil, Hyosub; Jee, Geonhwa; Xiong, Chao; Min, Kyoung; Noja, Max;

YEAR: 2012     DOI: 10.1016/j.jastp.2012.03.009

High-speed stream impacts on the equatorial ionization anomaly region during the deep solar minimum year 2008

Liu, Jing; Liu, Libo; Zhao, Biqiang; Wei, Yong; Hu, Lianhuan; Xiong, B.;

YEAR: 2012     DOI: 10.1029/2012JA018015


Correlation between the ionospheric WN4 signature and the upper atmospheric DE3 tide

Wan, W.; Xiong, J.; Ren, Z.; Liu, L.; Zhang, M.-L.; Ding, F.; Ning, B.; Zhao, B.; Yue, X.;

YEAR: 2010     DOI: 10.1029/2010JA015527

Simulated wave number 4 structure in equatorial F -region vertical plasma drifts

Ren, Zhipeng; Wan, Weixing; Xiong, Jiangang; Liu, Libo;

YEAR: 2010     DOI: 10.1029/2009JA014746