The Atmospheric Coupling and Dynamics Across the Mesopause (ACaDAMe) mission

D. Janches, A. W. Yu, M. A. Krainak, C. Gardner, B. Kaifler, S. Etemad, D. C. Fritts, S. D. Eckermann, R. L. Collins, E. C.M. Dawkins, R. S. Lieberman, D. R. Marsh, G. Liu, W. Jarvis

Research output: Contribution to journalArticlepeer-review

Abstract

The Atmospheric Coupling and Dynamics Across the Mesopause (ACaDAMe) is a mission designed to uniquely address critical questions involving multi-scale wave dynamics at key space weather (SWx) “gateway altitudes” of the mesosphere and lower thermosphere (MLT) at ~70–150 km. ACaDAMe observes with a nadir-pointing resonant lidar that utilizes the fluorescence of atomic Na present in the MLT. By tuning a laser to the Na absorption wavelength (589 nm), ACaDAMe would perform very high resolution measurements of temperature and Na densities across the mesopause during both day and night. In this manner, Na is used as tracer for observing and characterizing MLT waves generated by tropospheric weather that represent the dominant terrestrial source of energy and momentum affecting space weather and transport of mesospheric species.

Original languageEnglish (US)
Pages (from-to)1915-1925
Number of pages11
JournalAdvances in Space Research
Volume64
Issue number10
DOIs
StatePublished - Nov 15 2019

Keywords

  • Gravity waves
  • Lidar
  • MLT dynamics
  • Planetary waves tides

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences(all)

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