Meteor trail advection and dispersion; preliminary lidar observations

Brent W. Grime, Timothy Joseph Kane, Stephen C. Collins, Michael C. Kelley, Craig A. Kruschwitz, Jonathan S. Friedman, Craig A. Tepley

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Sodium resonance lidar observations of meteor ablation trails at the Arecibo Observatory (18.30° N, 66.75° W) are presented. Of particular interest is the event of 23 March 1998, during the Coqui II sounding rocket campaign. On this date, the lidar was operating with two beams probing different volumes of the sodium layer separated zonally by 15.7 ± 0.8 km. A single meteor trail was observed near 89 km altitude in both lidar field-of-views with a 310 ± 50 s temporal displacement. This observational separation suggested a westward zonal wind of 50 ± 10 m/s, while trail dispersion yielded an upper bound for the total diffusion coefficient of 2.6 ± 0.5 m2/s which is consistent with dispersion seen in other trails. The data supports the need for future observation with systems specialized for meteor detection.

Original languageEnglish (US)
Pages (from-to)675-678
Number of pages4
JournalGeophysical Research Letters
Volume26
Issue number6
DOIs
StatePublished - Mar 15 1999

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meteor trails
meteor
advection
optical radar
lidar
meteoroids
sodium
sounding rockets
zonal wind
field of view
ablation
observatories
diffusion coefficient
observatory

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Grime, B. W., Kane, T. J., Collins, S. C., Kelley, M. C., Kruschwitz, C. A., Friedman, J. S., & Tepley, C. A. (1999). Meteor trail advection and dispersion; preliminary lidar observations. Geophysical Research Letters, 26(6), 675-678. https://doi.org/10.1029/1999GL900053
Grime, Brent W. ; Kane, Timothy Joseph ; Collins, Stephen C. ; Kelley, Michael C. ; Kruschwitz, Craig A. ; Friedman, Jonathan S. ; Tepley, Craig A. / Meteor trail advection and dispersion; preliminary lidar observations. In: Geophysical Research Letters. 1999 ; Vol. 26, No. 6. pp. 675-678.
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Grime, BW, Kane, TJ, Collins, SC, Kelley, MC, Kruschwitz, CA, Friedman, JS & Tepley, CA 1999, 'Meteor trail advection and dispersion; preliminary lidar observations', Geophysical Research Letters, vol. 26, no. 6, pp. 675-678. https://doi.org/10.1029/1999GL900053

Meteor trail advection and dispersion; preliminary lidar observations. / Grime, Brent W.; Kane, Timothy Joseph; Collins, Stephen C.; Kelley, Michael C.; Kruschwitz, Craig A.; Friedman, Jonathan S.; Tepley, Craig A.

In: Geophysical Research Letters, Vol. 26, No. 6, 15.03.1999, p. 675-678.

Research output: Contribution to journalArticle

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N2 - Sodium resonance lidar observations of meteor ablation trails at the Arecibo Observatory (18.30° N, 66.75° W) are presented. Of particular interest is the event of 23 March 1998, during the Coqui II sounding rocket campaign. On this date, the lidar was operating with two beams probing different volumes of the sodium layer separated zonally by 15.7 ± 0.8 km. A single meteor trail was observed near 89 km altitude in both lidar field-of-views with a 310 ± 50 s temporal displacement. This observational separation suggested a westward zonal wind of 50 ± 10 m/s, while trail dispersion yielded an upper bound for the total diffusion coefficient of 2.6 ± 0.5 m2/s which is consistent with dispersion seen in other trails. The data supports the need for future observation with systems specialized for meteor detection.

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Grime BW, Kane TJ, Collins SC, Kelley MC, Kruschwitz CA, Friedman JS et al. Meteor trail advection and dispersion; preliminary lidar observations. Geophysical Research Letters. 1999 Mar 15;26(6):675-678. https://doi.org/10.1029/1999GL900053