Volume 16 Issue 2
Apr.  1996
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Jiao Wei-xin.. THE RELATIONSHIP BETWEEN FIELD-ALIGNED CURRENT AND SUBSTORM PHASE[J]. Journal of Space Science, 1996, 16(2): 140-144. doi: 10.11728/cjss1996.02.140
Citation: Jiao Wei-xin.. THE RELATIONSHIP BETWEEN FIELD-ALIGNED CURRENT AND SUBSTORM PHASE[J]. Journal of Space Science, 1996, 16(2): 140-144. doi: 10.11728/cjss1996.02.140

THE RELATIONSHIP BETWEEN FIELD-ALIGNED CURRENT AND SUBSTORM PHASE

doi: 10.11728/cjss1996.02.140
  • Received Date: 1994-12-31
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1996-04-24
  • ISEE 1 and 2 measurements of magnetic changes across nightside fieldaligned currents (FACs) in the inner magnetosphere are examined to determine the average ionospheric extrapolated characteristics and properties of regin 1 and 2 currents as a function of substorm phase. The properties of these currents studied include current intensity, density and layer width. It is found that there is a close relation between FACs and substorm phase. Both region 1 and region 2 currents intensity reach their peak during the expansion phase. The average value of intensity in region 1 is about 1.4 times greater in region 2. The current densities in region 1 and 2 behave same with current intensity, i.e from the growth phase to expansion phase, the density increases and from the expansion phase to the recovery phase it decreases.

     

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