Na Doppler/temperature lidar: initial mesopause region observations and comparison with the Urbana medium frequency radar

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Abstract

Meteoric ablation in the upper atmosphere is the source of a dense layer of atomic Na between about 80 and 105 km altitude. Peak densities are typically several thousand atoms/cm3, and the total abundance varies seasonally at mid-latitudes with the maximum in winter. The Na layer is a sensitive trace of the thermal and density structure of this region of the atmosphere and can be probed with exceptional accuracy and resolution using resonance fluorescence lidar techniques. We report the first observations of vertically resolved Na density, temperature, and wind profiles in the mesopause region using a new four-frequency Doppler/temperature lidar. -from Authors

Original languageEnglish (US)
Pages (from-to)22,701-22,707
JournalJournal of Geophysical Research
Volume96
Issue numberD12
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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