The Velocity Distribution of Meteoroids at the Earth as Measured by the Canadian Meteor Orbit Radar (CMOR) |
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| Authors: | P Brown J Jones R J Weryk M D Campbell-Brown |
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| Institution: | (1) Department of Physics and Astronomy, University of Western Ontario, London, Ontario, N6A 3K7, Canada |
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| Abstract: | The velocity distribution of meteoroids at the Earth is measured using a time-of-flight measurement technique applied to data
collected by the CMOR radar (29.85 MHz). Comparison to earlier velocity measurements from the Harvard Radio Meteor Project
suggests that HRMP suffered from biases which underestimated the number of fragmenting meteoroids. This bias results in a
systematic underestimation of the numbers of higher velocity meteoroids. Other works (cf. Taylor and Elford, 1998) have also
found additional biases in the HRMP which suggest the original HRMP meteoroid velocity analysis may have underestimated the
fraction of high velocity meteors by factors up to 104. |
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| Keywords: | meteoroid radar velocity distribution |
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