Latitudinal Variations of Diurnal Meteor Rates |
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| Authors: | Csilla Szasz Johan Kero Asta Pellinen-Wannberg John D Mathews Nick J Mitchell Werner Singer |
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| Institution: | (1) Swedish Institute of Space Physics, Kiruna, Sweden;(2) Penn State University, University Park, , PA, USA;(3) University of Bath, Bath, UK;(4) Leibniz-Institute of Atmospheric Physics, Kühlungsborn, Germany |
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| Abstract: | The presence of a diurnal variation in meteor activity is well established. The sporadic meteor count rates are higher on
the local dawn side and lower on the local dusk side. This phenomenon is caused by the Earth’s orbital motion and rotation.
Meteor radar measurements have been compared from Esrange, Kiruna, Sweden, at 68° N, from Juliusruh, Germany, at 55° N, and
from Ascension Island, at 8° S, to investigate how the diurnal variation depends on season at different latitudes. Data have
been used from vernal and autumnal equinoxes and summer and winter solstices to locate the largest seasonal differences. |
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| Keywords: | Diurnal rate latitudinal variation meteor meteor radar NEP |
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