Atmosphere - Ionosphere - Magnetosphere Working Group Paul Kintner Nicky Fox Mary Hudson Janet Kozyra Michelle Thompson George Siscoe Dave Byers Howard Singer Jan Sojka Tim Fuller-Rowell Dan Baker Ray Greenwald Maura Hagan Roger Smith

Key discussion points Building on existing infra-structure - GEM, SHINE, CEDAR & encompass, leverage and expand - CAWSES, ILWS, eGY Building legacy Virtual conferences - video conferencing Cutting through boundaries - international cooperation Community-wide initiative Encouragement of young scientists

Unifying Theme The original IGY encompassed all of the geophysical domains from oceans to atmospheres. After the IGY the separate fields dispersed and evolved into large communities. Now it is the 50 th anniversary of the original IGY and this has caused all of these disciplines to re-aggregate and recreate the conditions which fostered the successful IGY. As our contribution to IHY, we propose to implement two major thrusts utilizing theory, observations and modeling: –End-to-end solar terrestrial system studies –Comparative A-I-M systems

Science Thrusts with Examples End-to-end Solar-Terrestrial System Studies: Modeling and Observations –A: Storm time response of the inner magnetosphere and ionosphere-thermosphere –B: Real-time global ionosphere –C: Sources of variability of the geomagnetically undisturbed atmosphere and ionosphere –D: Small-scale structures

Science Thrusts with Examples Comparative A-I-M Systems –A: Comparative studies of auroral dynamics on Earth, Jupiter and Saturn –B: Comparative studies of storms and substorms at different planets –C: Comparative studies of the radiation environment at different planets

Framework 1.Title 2.Campaign leader 3.Science question/goal 4.What’s unique for IHY a.Interdisciplinary b.International c.Global (big picture ideas) d.Discovery potential 5.Key instrumentation and data 6.Models 7.Key proposals for community 8.Collaborations 9.Workshops/collaborations 10.Educational opportunities 11.Legacy potential:

End-to-end Solar-Terrestrial System Studies: Modeling and Observations 1.Title: Real-time global ionosphere 2.Campaign leader: Tim Fuller-Rowell 3.Science question/goal: Characterizing the global ionospheric variability as a function of season and geomagnetic activity 4.What’s unique for IHY a.Interdisciplinary (coupling with lower atmosphere, solar radiation and solar electrodynamics) b.International (data contributions from many countries) c.Global (big picture ideas) - global characteristics with high-fidelity d.Discovery potential - longitudinal dependence in structures during varied external conditions 5.Key instrumentation and data: Global network of GPS, COSMIC 6.Models: Test existing numerical models including data assimilation 7.Key proposals -Providing GPS systems to developing countries in key gaps 8.Collaborations - CAWSES, VxOs, eGY, 9.Workshops/collaborations: Topical electronic workshops 10.Educational opportunities: Involving multi-national real-time effort with possible school programs

Comparative A-I-M Systems 1.Title: Comparative studies of auroral dynamics on Earth, Jupiter and Saturn 2.Campaign leader: Recommendations John Clarke/Fran Bagenal 3.Science question/goal: Understand the similarities and differences of physical processes creating aurora on different planetary systems 4.What’s unique for IHY a.Interdisciplinary b.International c.Global (big picture ideas) d.Discovery potential 5.Key instrumentation and data: Cassini, JMEX, … 6.Models: Test existing numerical models 7.Key proposals - HST time 8.Collaborations - Planetary data system, … 9.Workshops/collaborations: Topical electronic workshops 10.Educational opportunities: Similarities and difference between our planet and others in the solar system

Legacy Potential Examples –Elevation of the role of modeling into a complementary research tool (maturing of modeling techniques including data assimilation) –Furthering the establishment of comparative A-I-M systems as a discipline –Utilizing eGY efforts to provide enhanced capabilities during the IHY and for future science endeavors –Creating new connectivity in science cooperation –Producing a comprehensive database which can be mined for future scientific discoveries