Seasonal updraft speeds change cloud droplet number concentrations in low-level clouds over the western North Atlantic

To determine the impact of dynamic and aerosol processes on marine low clouds, we examine the seasonal impact of updraft speed w and cloud condensation nuclei concentration at 0.43 supersaturation n the cloud droplet number concentration (NC) of low level clouds over the western North Atlantic Ocean...

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Bibliographic Details
Published in:Atmospheric Chemistry and Physics
Main Authors: Kirschler, Simon, Voigt, Christiane, Anderson, Bruce, Campos Braga, Ramon, Chen, Gao, Corral, Andrea F., Crosbie, Ewan, Dadashazar, Hossein, Ferrare, Richard A., Hahn, Valerian, Hendricks, Johannes, Kaufmann, Stefan, Moore, Richard H., Pöhlker, Mira L., Robinson, Claire, Scarino, Amy J., Schollmayer, Dominik, Shook, Michael A., Thornhill, K. Lee, Winstead, Edward, Ziemba, Luke D., Sorooshian, Armin
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2022
Subjects:
Wolkenphysik
Erdsystem-Modellierung
North Atlantic
Online Access:https://elib.dlr.de/191103/
https://elib.dlr.de/191103/1/Kirschler_ACP_2022.pdf
https://doi.org/10.5194/acp-22-8299-2022
Description
Summary:To determine the impact of dynamic and aerosol processes on marine low clouds, we examine the seasonal impact of updraft speed w and cloud condensation nuclei concentration at 0.43 supersaturation n the cloud droplet number concentration (NC) of low level clouds over the western North Atlantic Ocean. Aerosol and cloud properties were measured with instruments on board the NASA LaRC Falcon HU25 during the ACTIVATE (Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment) mission in summer (August) and winter (February March) 2020.

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