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Title: Small-scale structures in neutrals and charged aerosol particles as observed during the ECOMA/MASS rocket campaign
Authors: Strelnikov, B.Rapp, M.Strelnikova, I.Engler, N.Latteck, R.
Publishers Version: https://doi.org/10.5194/angeo-27-1449-2009
Issue Date: 2009
Published in: Annales Geophysicae, Volume 27, Issue 4, Page 1449-1456
Publisher: München : European Geopyhsical Union
Abstract: We present results of in situ measurements of neutral temperature during the ECOMA/MASS rocket campaign. We present and compare results of turbulence measurements conducted simultaneously by both in situ and doppler radar techniques. We show that the derived values of the turbulence energy dissipation rates are similar on average. We also find a region with a near adiabatic lapse rate with turbulence detected at the upper and lower edge. We note that it is consistent with expectation for a Kelvin-Helmholtz instability. We also present an estimate of the Schmidt numbers, Sc, for the charged aerosols that utilizes in situ measured small-scale density fluctuations of charged aerosols and both in situ and radar turbulence measurements. The derived Schmidt numbers fall within the range between 100 and 4500. This result agrees with previous estimates based on multi-frequency observations of PMSE (Rapp et al., 2008) and also with estimates of microphysical parameters presented in the companion paper by Rapp et al. (2009).
Keywords: Atmospheric composition and structure (aerosols and particles Meteorology and atmospheric dynamics (turbulence) Pressure; density; and temperature); aerosol composition; air temperature; atmospheric dynamics; atmospheric pressure; atmospheric structure; density; Doppler radar; energy dissipation; Kelvin-Helmholtz instability; turbulence
DDC: 530
License: CC BY 3.0 Unported
Link to License: https://creativecommons.org/licenses/by/3.0/
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