CEDAR email: Graham Bailey Obituary

[Heelis, Roderick]

Please post the following announcement


Graham Bailey

With great sadness we report the death of our friend and colleague Graham Bailey. Graham had been retired from the University of Sheffield since 2007, but his legacy and influence have continued in the well-recognized and often used Sheffield University Plasmasphere-Ionosphere Model (SUPIM). This model was the forerunner to most ionospheric models that are used today, including those that are coupled to the neutral atmosphere and the magnetosphere. Back in the days when FORTRAN ruled and a successful overnight run on the computer was a major success, Graham and the group at Sheffield developed codes to follow convecting flux tubes of plasma at low and middle latitudes, which included interhemispheric coupling in the topside. Among the first to include continuity, momentum and energy equations, this modeling capability was used extensively and led to long-term and productive collaborations with groups in Arecibo, INPE, the University of Texas at Dallas and others around the world. Graham’s modeling efforts supported many graduate research projects around the world and his work describing the distribution of He+ at middle latitudes and the effects of adiabatic heating and cooling in the topside ionosphere are still cited today as the foundations for future study. Graham was a traditional and straightforward Yorkshireman; not afraid to share his opinion and always willing to share his work. He will be missed, but his legacy will remain in the computational methodologies that he started more than 50 years ago and are still in use today.

Rod Heelis,  University of Texas at Dallas
Mick Denton,  Space Science Institute
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