Polar wind: Difference between revisions

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History: origin story
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==History==
In 1966 Bauer<ref>{{Cite book |last=Bauer |first=S.J. |title=Electron Density Profiles in Ionosphere and Exosphere |date=1966 |publisher=North-Holland |editor-last=Frihagen |editor-first=J. |chapter=The structure of the topside ionosphere}}</ref> and, separately, Dessler ahd Michel<ref>{{Cite journal |last=Dessler |first=A. J. |last2=Michel |first2=F. C. |date=1966-03-01 |title=Plasma in the geomagnetic tail |url=http://doi.wiley.com/10.1029/JZ071i005p01421 |journal=Journal of Geophysical Research |language=en |volume=71 |issue=5 |pages=1421–1426 |doi=10.1029/JZ071i005p01421}}</ref> noted that since the Earth's geomagnetic field above the poles forms a long tail away from the Sun out beyond the Moon's orbit, ions should flow from the higher pressure region in the ionosphere out into space.<ref>{{Cite journal |last=Schunk |first=R. W. |last2=Sojka |first2=J. J. |date=June 1997-06 |title=Global ionosphere‐polar wind system during changing magnetic activity |url=https://agupubs.onlinelibrary.wiley.com/doi/10.1029/97JA00292 |journal=Journal of Geophysical Research: Space Physics |language=en |volume=102 |issue=A6 |pages=11625–11651 |doi=10.1029/97JA00292 |issn=0148-0227}}</ref>
The term "polar wind" was coined in 1968 in a pair of articles by Banks and Holzer<ref name="BanksHolzer1968">{{cite journal |doi=10.1029/JA073i021p06846 |last1=Banks |first1=Peter M. |last2=Holzer |first2=Thomas E. |year=1968 |title=The Polar Wind |journal=Journal of Geophysical Research |volume=73 |pages=6846–6854 |url=http://europa.agu.org/?view=article&uri=/journals/ja/JA073i021p06846.xml&t=polar%20wind |bibcode=1968JGR....73.6846B |issue=21}}</ref> and by [[Ian Axford]].<ref name="Axford1968">{{cite journal |doi=10.1029/JA073i021p06855 |last=Axford |first=W. Ian |year=1968 |title=The Polar Wind and the Terrestrial Helium Budget |journal=Journal of Geophysical Research |volume=73 |pages=6855–6859 |bibcode=1968JGR....73.6855A |issue=21}}</ref> Since the process by which the ionospheric plasma flows away from the Earth along magnetic field lines is similar to the flow of solar plasma away from the Sun's corona (the [[solar wind]]), Axford suggested the term "polar wind."