High-Altitude Observations of the Polar Wind
Plasma outflows, escaping from Earth through the high-altitude polar caps into the tail of the magnetosphere, have been observed with a xenon plasma source instrument to reduce the floating potential of the POLAR spacecraft. The largest component of H$^+$ flow, along the local magnetic field (30 to...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 1997-07, Vol.277 (5324), p.349-351 |
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| creator | Moore, T. E. Chappell, C. R. Chandler, M. O. Craven, P. D. Giles, B. L. Pollock, C. J. Burch, J. L. Young, D. T. Waite, J. H. Nordholt, J. E. Thomsen, M. F. McComas, D. J. Berthelier, J. J. Williamson, W. S. Robson, R. Mozer, F. S. |
| description | Plasma outflows, escaping from Earth through the high-altitude polar caps into the tail of the magnetosphere, have been observed with a xenon plasma source instrument to reduce the floating potential of the POLAR spacecraft. The largest component of H$^+$ flow, along the local magnetic field (30 to 60 kilometers per second), is faster than predicted by theory. The flows contain more O$^+$ than predicted by theories of thermal polar wind but also have elevated ion temperatures. These plasma outflows contribute to the plasmas energized in the elongated nightside tail of the magnetosphere, creating auroras, substorms, and storms. They also constitute an appreciable loss of terrestrial water dissociation products into space. |
| doi_str_mv | 10.1126/science.277.5324.349 |
| format | Article |
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S.</creatorcontrib><title>High-Altitude Observations of the Polar Wind</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Plasma outflows, escaping from Earth through the high-altitude polar caps into the tail of the magnetosphere, have been observed with a xenon plasma source instrument to reduce the floating potential of the POLAR spacecraft. The largest component of H$^+$ flow, along the local magnetic field (30 to 60 kilometers per second), is faster than predicted by theory. The flows contain more O$^+$ than predicted by theories of thermal polar wind but also have elevated ion temperatures. These plasma outflows contribute to the plasmas energized in the elongated nightside tail of the magnetosphere, creating auroras, substorms, and storms. 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S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-Altitude Observations of the Polar Wind</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>1997-07-18</date><risdate>1997</risdate><volume>277</volume><issue>5324</issue><spage>349</spage><epage>351</epage><pages>349-351</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><coden>SCIEAS</coden><abstract>Plasma outflows, escaping from Earth through the high-altitude polar caps into the tail of the magnetosphere, have been observed with a xenon plasma source instrument to reduce the floating potential of the POLAR spacecraft. The largest component of H$^+$ flow, along the local magnetic field (30 to 60 kilometers per second), is faster than predicted by theory. The flows contain more O$^+$ than predicted by theories of thermal polar wind but also have elevated ion temperatures. These plasma outflows contribute to the plasmas energized in the elongated nightside tail of the magnetosphere, creating auroras, substorms, and storms. They also constitute an appreciable loss of terrestrial water dissociation products into space.</abstract><cop>Washington, DC</cop><pub>American Society for the Advancement of Science</pub><doi>10.1126/science.277.5324.349</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 1997-07, Vol.277 (5324), p.349-351 |
| issn | 0036-8075 1095-9203 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_insu_01676904v1 |
| source | Jstor Complete Legacy; Science Magazine |
| subjects | Atmosphere Atmospheric and Oceanic Physics Earth Earth, ocean, space Energy Exact sciences and technology External geophysics Interaction between ionosphere and magnetosphere Ionospherics Ions Kinetics Magnetic fields Magnetic flux Magnetospheres Motion Observations Ocean, Atmosphere Physics Physics of the ionosphere Polar caps Polar regions Polar vortex Sciences of the Universe Scientific Concepts Solar wind Space based observatories Space flight Spacecraft Tropospheric circulation |
| title | High-Altitude Observations of the Polar Wind |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-02T21%3A56%3A18IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_hal_p&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=High-Altitude%20Observations%20of%20the%20Polar%20Wind&rft.jtitle=Science%20(American%20Association%20for%20the%20Advancement%20of%20Science)&rft.au=Moore,%20T.%20E.&rft.date=1997-07-18&rft.volume=277&rft.issue=5324&rft.spage=349&rft.epage=351&rft.pages=349-351&rft.issn=0036-8075&rft.eissn=1095-9203&rft.coden=SCIEAS&rft_id=info:doi/10.1126/science.277.5324.349&rft_dat=%3Cgale_hal_p%3EA19649784%3C/gale_hal_p%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=213578921&rft_id=info:pmid/&rft_galeid=A19649784&rft_jstor_id=2892856&rfr_iscdi=true |