Open AccessOn the variability of the quiet-day diurnal magnetic variation. Part II
Author(s) -
Sydney Chapman,
J. M. Stagg
Publication year - 1931
Publication title -
proceedings of the royal society of london series a containing papers of a mathematical and physical character
Language(s) - English
Resource type - Journals
eISSN - 2053-9150
pISSN - 0950-1207
DOI - 10.1098/rspa.1931.0032
Subject(s) - magnetic declination , quiet , latitude , declination , geodesy , variation (astronomy) , earth's magnetic field , greenwich , magnetic dip , range (aeronautics) , geology , diurnal temperature variation , physics , magnetic field , geophysics , atmospheric sciences , astrophysics , astronomy , engineering , quantum mechanics , soil science , aerospace engineering
This paper is a sequel to our former one relating to the daily magnetic variation, on really quiet days, at Eskdalemuir and Greenwich. Here we extend the investigation to four more magnetic observations; the principal relevant particulars for the whole six observatories are as follows:— The last three columns give approximate mean values of the three magnetic elements, H (horizontal force), Z (downward vertical force) and declination. The stations range over 75° of geographical latitude, and 85° of magnetic latitude (i. e ., latitude with respect to the earth's magnetic axis).
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