Articles | Volume 16, issue 13
Atmos. Chem. Phys., 16, 8205–8225, 2016
https://doi.org/10.5194/acp-16-8205-2016
Atmos. Chem. Phys., 16, 8205–8225, 2016
https://doi.org/10.5194/acp-16-8205-2016

Research article 08 Jul 2016

Research article | 08 Jul 2016

Abundance of fluorescent biological aerosol particles at temperatures conducive to the formation of mixed-phase and cirrus clouds

Cynthia H. Twohy et al.

Data sets

MPL data ARM data Archive Cente http://www.archive.arm.gov

MFRSR data ARM data Archive Cente http://www.archive.arm.gov

SONDE data ARM data Archive Cente http://www.archive.arm.gov

Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data UCAR/NCAR - Earth Observing Laboratory http://data.eol.ucar.edu/codiac/dss/id=378.010

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Short summary
Fluorescent biological aerosol particles were measured in autumn over the continental United States at a variety of altitudes and temperatures, spanning the atmospheric boundary layer to the upper troposphere. Number concentrations of these particles generally decreased with height but were most variable at middle altitudes, above the boundary layer. This corresponds to the temperature range where biological particles may be more important than mineral dust at nucleating ice in clouds.
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