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Investigation of ionospheric storm characteristics over Europe

Investigation of ionospheric storm characteristics over Europe. C. Borries German Aerospace Center (DLR), Neustrelitz , Germany. Space Weather. Tasks: Detection and characterization ionospheric storms Correlation with storm related parameters (geomagnetic indices, solar wind, FAC, …)

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Investigation of ionospheric storm characteristics over Europe

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  1. Investigation of ionospheric storm characteristics over Europe C. Borries German Aerospace Center (DLR), Neustrelitz, Germany

  2. >DFG-SPP Dynamic Earth > Borries • Investigation of ionospheric storm characteristics over Europe > 04-07-2014 Space Weather Tasks: • Detection and characterization ionospheric storms • Correlation with storm related parameters (geomagnetic indices, solar wind, FAC, …) • Investigation of dynamics leading to ionospheric storm pattern

  3. >DFG-SPP Dynamic Earth > Borries • Investigation of ionospheric storm characteristics over Europe > 04-07-2014 Mechanisms contributing to positive ionospheric storms (Prölss, 2006)

  4. >DFG-SPP Dynamic Earth > Borries • Investigation of ionospheric storm characteristics over Europe > 04-07-2014 Example positive stormand TID observation TEC enhancement 20th Nov 2003 Night Day time Positive stormproducedbyeitherequatorwardwindsoreastwardelectricfield 8:00 Storm onset

  5. >DFG-SPP Dynamic Earth > Borries • Investigation of ionospheric storm characteristics over Europe > 04-07-2014 Ideasforthe DFG-SPP „Dynamic Earth“ Investigation ofsourcemechnanismsof positive ionosphericstorms Observation • DetectionandCharacterizationof positive Storms • Detectionof TIDs • Investigation ofthecorrelationbetween TIDs and positive ionosphericstorms • Investigation ofcorrelationtoionosphericcurrents(FAC) Modelling • Electricfields • Convection • Global Wind fields • Electrondensities • Benefitofjoinedwork • Comparisonbetweenmodelledandobservedionosphericvariations • Establish a matrixofthermosphericandionosphericconditions

  6. Source: NASA >DFG-SPP Dynamic Earth > Borries • Investigation of ionospheric storm characteristics over Europe > 04-07-2014 Objectivesof a „Dynamic Earth“-Project • Betterunderstandionosphericandthermosphericstormconditionsduringspaceweatherevents • Roleof TIDs/TADs in thedevelopmentof positive stormconditions • Ionosphere-Neutral coupling

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