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Synoptic distribution of dayside aurora: Multiple-wavelength all-sky observation at Yellow River Station in Ny-Alesund, Svalbard
Abstract Observations acquired from three-wavelength (427.8, 557.7 and 630.0 nm) all-sky imagers (ASIs) at Yellow River Station (YRS) in Ny-Alesund, Svalbard, are used to examine the synopticExpand
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Phase structure of Pc3 waves observed by Cluster and ground stations near the cusp
[1] Ground observations of Pc3 ULF waves at high latitude show enhanced pulsation activity near the cusp. To investigate this, typical Pc3 pulsation events from 0920 to 1010 UT on 1 April 2004 haveExpand
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Synoptic observations of auroras along the postnoon oval: a survey with all-sky TV observations at Zhongshan, Antarctica
Abstract All-sky TV data obtained at Zhongshan, Antarctica, have been used to survey auroral displays along the postnoon auroral oval. The auroral occurrence peak around 15 MLT, which was previouslyExpand
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Ionospheric foF2 Reconstruction and its Application to the Short-Term Forecasting in China Region
The CRI based Kriging method has been proposed for reconstruction of the ionospheric foF2 in China region. In this method the regional-dependent variable is adopted as the relative difference betweenExpand
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Transverse‐scale size of Pc3 ULF waves near the exterior cusp
[1] The concept of a geomagnetic field line has been widely used in the study of magnetospheric physical phenomena. For example, the mode in which ULF waves propagate relates to the direction of theExpand
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Conjugate phase studies of ULF waves in the Pc5 band near the cusp
[1] Conjugation of geomagnetic field lines at magnetic high latitude is variable, depending on solar wind and interplanetary magnetic field conditions. In this paper the geomagnetic conjugate pointExpand
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Application of autocorrelation method on ionospheric short-term forecasting in China
Adopting the autocorrelation method in the ionospheric short-term forecasting, we put forward a simple and practical forecasting method—the sectional autocorrelation method, that is, for predictionsExpand
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The 4-emission-core structure of dayside aurora oval observed by all-sky imager at 557.7 nm in Ny-Ålesund, Svalbard
A survey of dayside aurora excitation at 557.7 nm, which was acquired from an all-sky imager at Yellow River Station in Ny- ˚ Alesund, Svalbard, shows that there are 4 intense emission maxima in theExpand
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Earth's ion upflow associated with polar cap patches: Global and in situ observations
We report simultaneous global monitoring of a patch of ionization and in situ observation of ion upflow at the center of the polar cap region during a geomagnetic storm. Our observations indicateExpand
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Polar cap patch transportation beyond the classic scenario
We report the continuous monitoring of a polar cap patch, encompassing its creation and a subsequent evolution that differs from the classic behviour. The patch was formed from the storm enhancedExpand
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