COSPAR Panel on Space Weather
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COSPAR-18-PSW.3: From Ionospheric Indices towards Standardised Activity Scales for Space Weather Services

Ionospheric perturbations covering a broad spectrum of spatial and temporal scales may have a severe impact on the performance of radio systems such as Global Navigation Satellite Systems (GNSS) and remote sensing radars. Currently, characterization of the onset, strength and duration of ionospheric disturbances is achieved primarily through the use of geomagnetic indices such as Kp, Ap or Dst. However, increasing challenges on accuracy, continuity, availability and reliability of radio systems requires specific ionospheric information on the degree of ionospheric perturbation, at least in near real time and, if possible, in advance. Since an ionospheric activity or perturbation index can provide quick proximate information on complex space weather relationships, such an index would be of great practical value for customers of radio systems. To review and discuss candidate indices with the potential to be standardized as ionospheric disturbance indices on an international level, we welcome studies that systematically address this topic keeping in mind the concrete application background. Benefits of the suggested index approach should be demonstrated and evaluated with respect to a selected application. We welcome also presentations which consider ionospheric perturbations and their impact in the context of the COSPAR 2015-2025 space weather roadmap.

2 half-day sessions

Main Scientific Organizer

Norbert Jakowski
Deutsches Zentrum fuer Luft-und Raumfahrt (DLR)
Kalkhorstweg 53
17235 Neustrelitz

Deputy Organizer
Michael Terkildsen
IPS Radio and Space Services

Scientific Organizing Committee
Alexi Glover (ESOC, Germany), Timothy Fuller-Rowell (NOAA Affiliate, United States of America)

CCMC logo National Aeronautics and Space Administration Air Force Materiel Command Air Force Office of Scientific Research Air Force Research Laboratory Air Force Weather Agency NOAA Space Environment Center National Science Foundation Office of Naval Research

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