D. N. Baker, S. J. Bame, R. D. Belian, W. C. Feldman, J. T. Gosling, P. R. Higbie, E. W. Hones, D. J. McComas, R. D. Zwickl

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


During October 1982 and January-March 1983, ISEE 3 made its first traversals of the distant (r equals 60-220 R//E) geomagnetic tail. Throughout this period the Los Alamos ISEE 3 plasma electron instrument detected the tailward magnetosheath, magnetopause, plasma sheet, and tail lobes. For the entire tail traversal period, nearly continuous concurrent data were available from Los Alamos charged-particle analyzer instruments on board the geostationary satellites (6. 6 R//E). Using these geostationary orbit data in the local midnight sector, numerous substorm particle injection events were detected, allowing substorm onset determinations to accuracies of a few minutes. Remarkably high degrees of correlation between near-earth substorm events and ISEE 3 transitions from one magnetotail plasma regime to another were often found throughout the tail crossing. Similarly, substorm expansion onsets seen at 6. 6 R//E were followed by rapid apparent contractions of the translunar tail which took ISEE 3 into magnetosheath and/or boundary layer plasmas. At ISEE 3 distances beyond approximately 200 R//E it is commonly observed that substorm particle injection events at 6. 6 R//E precede the occurrence of strong tailward plasma flow by approximately 25 plus or minus 5 min. These results suggest a close relationship between processes in the near-earth plasma sheet and the distant tail during substorms.

Original languageEnglish (US)
Pages (from-to)3855-3864
Number of pages10
JournalJournal of Geophysical Research
Issue numberA6
StatePublished - 1984

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Oceanography
  • Forestry
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences (miscellaneous)
  • Palaeontology


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