solar energetic events
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2016 ◽  
Vol 12 (S325) ◽  
pp. 201-204 ◽  
Author(s):  
Graham Barnes ◽  
Nicole Schanche ◽  
K. D. Leka ◽  
Ashna Aggarwal ◽  
Kathy Reeves

AbstractWe compare the results of using a Random Forest Classifier with the results of using Nonparametric Discriminant Analysis to classify whether a filament channel (in the case of a filament eruption) or an active region (in the case of a flare) is about to produce an event. A large number of descriptors are considered in each case, but it is found that only a small number are needed in order to get most of the improvement in performance over always predicting the majority class. There is little difference in performance between the two classifiers, and neither results in substantial improvements over simply predicting the majority class.


Solar Physics ◽  
2015 ◽  
Vol 290 (10) ◽  
pp. 2943-2950 ◽  
Author(s):  
Carolus J. Schrijver ◽  
Paul A. Higgins

2015 ◽  
Vol 5 ◽  
pp. A5 ◽  
Author(s):  
Jorge Amaya ◽  
Sophie Musset ◽  
Viktor Andersson ◽  
Andrea Diercke ◽  
Christian Höller ◽  
...  

2008 ◽  
Vol 4 (S257) ◽  
pp. 61-63
Author(s):  
Marina Laskari ◽  
Panagiota Preka-Papadema ◽  
Constantine Caroubalos ◽  
George Pothitakis ◽  
Xenophon Moussas ◽  
...  

AbstractWe study the geoeffectiveness of a sample of complex events; each includes a coronal type II burst, accompanied by a GOES SXR flare and LASCO CME. The radio bursts were recorded by the ARTEMIS-IV radio spectrograph, in the 100-650 MHz range; the GOES SXR flares and SOHO/LASCO CMEs, were obtained from the Solar Geophysical Data (SGD) and the LASCO catalogue respectively. These are compared with changes of solar wind parameters and geomagnetic indices in order to establish a relationship between solar energetic events and their effects on geomagnetic activity.


2007 ◽  
Vol 51 (3) ◽  
pp. 439-447 ◽  
Author(s):  
J. Bochníček ◽  
P. Hejda ◽  
F. Valach

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