On the use of Godhavn  H  component as an indicator of the interplanetary sector polarity | Zendy

Svalgaard Leif | Zendy

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On the use of Godhavn H component as an indicator of the interplanetary sector polarity

Author(s) -

Svalgaard Leif

Publication year - 1975

Publication title -

journal of geophysical research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.67

H-Index - 298

eISSN - 2156-2202

pISSN - 0148-0227

DOI - 10.1029/ja080i019p02717

Subject(s) - component (thermodynamics) , polarity (international relations) , interplanetary spaceflight , interplanetary magnetic field , astrobiology , geophysics , geology , environmental science , physics , solar wind , atmospheric sciences , nuclear physics , chemistry , plasma , biochemistry , cell , thermodynamics

An objective method of inferring the polarity of the interplanetary magnetic field using the H component at Godhavn is presented. The objectively inferred polarities are compared with a subjective index inferred earlier (Svalgaard, 1972 b ). It is concluded that no significant difference exists between the two methods. The inferred polarities derived from Godhavn H are biased by the S q p signature in the sense that during summer, prolonged intervals of geomagnetic calm will result in inferred away polarity regardless of the actual sector polarity. This bias does not significantly alter the large‐scale structure of the inferred sector structure.

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