Articles | Volume 19, issue 1
https://doi.org/10.5194/acp-19-639-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-19-639-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Jan 2019
Research article |
| 17 Jan 2019
| 17 Jan 2019
Cloud-droplet growth due to supersaturation fluctuations in stratiform clouds
Department of Meteorology and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
Nordita, KTH Royal Institute of Technology and Stockholm University, 10691 Stockholm, Sweden
Swedish e-Science Research Centre, Stockholm, Sweden
Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
JILA, Box 440, University of Colorado, Boulder, CO 80303, USA
Gunilla Svensson
Department of Meteorology and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
Swedish e-Science Research Centre, Stockholm, Sweden
Global & Climate Dynamics, National Center for Atmospheric Research, Boulder, CO 80305, USA
Axel Brandenburg
Nordita, KTH Royal Institute of Technology and Stockholm University, 10691 Stockholm, Sweden
Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
JILA, Box 440, University of Colorado, Boulder, CO 80303, USA
Department of Astronomy, Stockholm University, 10691 Stockholm, Sweden
Nils E. L. Haugen
SINTEF Energy Research, 7465 Trondheim, Norway
Department of Energy and Process Engineering, NTNU, 7491 Trondheim, Norway
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Cited
13 citations as recorded by crossref.
- Hygroscopic Seeding Effects of Giant Aerosol Particles Simulated by the Lagrangian‐Particle‐Based Direct Numerical Simulation S. Chen et al. 10.1029/2021GL094621
- Radiation-Induced Condensational Growth and Cooling of Cloud-Sized Mist Droplets M. Brewster et al. 10.1175/JAS-D-19-0288.1
- Condensational and Collisional Growth of Cloud Droplets in a Turbulent Environment X. Li et al. 10.1175/JAS-D-19-0107.1
- Introduction A. Brandenburg et al. 10.1080/03091929.2019.1677015
- Impact of Cloud-Base Turbulence on CCN Activation: Single-Size CCN W. Grabowski et al. 10.1175/JAS-D-21-0184.1
- A new approach to estimate supersaturation fluctuations in stratocumulus cloud using ground-based remote-sensing measurements F. Yang et al. 10.5194/amt-12-5817-2019
- Diffusional growth of cloud droplets in homogeneous isotropic turbulence: DNS, scaled-up DNS, and stochastic model L. Thomas et al. 10.5194/acp-20-9087-2020
- CCN activation in homogeneous isotropic turbulence: Response to particle characteristics and environmental conditions L. Thomas et al. 10.1016/j.atmosres.2023.107095
- Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations W. Grabowski & L. Thomas 10.5194/acp-21-4059-2021
- Electric Fields Enhance Ice Formation from Water Vapor by Decreasing the Nucleation Energy Barrier L. Santos et al. 10.3390/colloids6010013
- Up and down: Bidirectional fluxes of fog droplets at two subtropical mountain forest sites B. Breuer et al. 10.1016/j.jhydrol.2021.126491
- Collision Fluctuations of Lucky Droplets with Superdroplets X. Li et al. 10.1175/JAS-D-20-0371.1
- Cloud-droplet growth due to supersaturation fluctuations in stratiform clouds X. Li et al. 10.5194/acp-19-639-2019
12 citations as recorded by crossref.
- Hygroscopic Seeding Effects of Giant Aerosol Particles Simulated by the Lagrangian‐Particle‐Based Direct Numerical Simulation S. Chen et al. 10.1029/2021GL094621
- Radiation-Induced Condensational Growth and Cooling of Cloud-Sized Mist Droplets M. Brewster et al. 10.1175/JAS-D-19-0288.1
- Condensational and Collisional Growth of Cloud Droplets in a Turbulent Environment X. Li et al. 10.1175/JAS-D-19-0107.1
- Introduction A. Brandenburg et al. 10.1080/03091929.2019.1677015
- Impact of Cloud-Base Turbulence on CCN Activation: Single-Size CCN W. Grabowski et al. 10.1175/JAS-D-21-0184.1
- A new approach to estimate supersaturation fluctuations in stratocumulus cloud using ground-based remote-sensing measurements F. Yang et al. 10.5194/amt-12-5817-2019
- Diffusional growth of cloud droplets in homogeneous isotropic turbulence: DNS, scaled-up DNS, and stochastic model L. Thomas et al. 10.5194/acp-20-9087-2020
- CCN activation in homogeneous isotropic turbulence: Response to particle characteristics and environmental conditions L. Thomas et al. 10.1016/j.atmosres.2023.107095
- Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations W. Grabowski & L. Thomas 10.5194/acp-21-4059-2021
- Electric Fields Enhance Ice Formation from Water Vapor by Decreasing the Nucleation Energy Barrier L. Santos et al. 10.3390/colloids6010013
- Up and down: Bidirectional fluxes of fog droplets at two subtropical mountain forest sites B. Breuer et al. 10.1016/j.jhydrol.2021.126491
- Collision Fluctuations of Lucky Droplets with Superdroplets X. Li et al. 10.1175/JAS-D-20-0371.1
1 citations as recorded by crossref.
Latest update: 19 Apr 2024
Short summary
The broadening of droplet size distributions in stratiform clouds, where the updraft velocity is almost zero, is puzzling. Without turbulence, the classical treatment of condensational growth of cloud droplets fails to explain this
broadening. We investigated the time evolution of droplet size distributions using direct numerical simulations, where turbulence is resolved into the smallest scales. We found that the broadening is due to the turbulence-facilitated supersaturation fluctuations.
The broadening of droplet size distributions in stratiform clouds, where the updraft velocity is...
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