Results 21 to 30 of about 8,159 (227)

Aerosol and Cloud Microphysical Characteristics of Rifts and Gradients in Maritime Stratocumulus Clouds [PDF]

open access: yes, 2006
A cloud rift is characterized as a large-scale, persistent area of broken, low-reflectivity stratocumulus clouds usually surrounded by a solid deck of stratocumulus.
Albrecht, Bruce A.   +7 more
core   +2 more sources

Modeling microphysical effects of entrainment in clouds observed during EUCAARI-IMPACT field campaign [PDF]

open access: yesAtmospheric Chemistry and Physics, 2013
This paper discusses aircraft observations and large-eddy simulation (LES) modeling of 15 May 2008, North Sea boundary-layer clouds from the EUCAARI-IMPACT field campaign.
D. Jarecka   +3 more
doaj   +1 more source

Mid-level clouds are frequent above the southeast Atlantic stratocumulus clouds [PDF]

open access: yesAtmospheric Chemistry and Physics, 2020
Shortwave-absorbing aerosols seasonally overlay extensive low-level stratocumulus clouds over the southeast Atlantic. While much attention has focused on the interactions between the low-level clouds and the overlying aerosols, few studies have focused ...
A. A. Adebiyi   +4 more
doaj   +1 more source

Turbulent dispersion in cloud-topped boundary layers [PDF]

open access: yes, 2009
Compared to dry boundary layers, dispersion in cloud-topped boundary layers has received less attention. In this LES based numerical study we investigate the dispersion of a passive tracer in the form of Lagrangian particles for four kinds of atmospheric
Heus, T.   +3 more
core   +4 more sources

Unified Parameterization of Convective Boundary Layer Transport and Clouds With the Thermal Plume Model

open access: yesJournal of Advances in Modeling Earth Systems, 2019
The representation of stratocumulus clouds, and of the stratocumulus to cumulus transitions which are ubiquitous features of marine boundary layer clouds, remains a challenge for climate models.
Frédéric Hourdin   +7 more
doaj   +1 more source

A new approach to estimate supersaturation fluctuations in stratocumulus cloud using ground-based remote-sensing measurements [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
Supersaturation, crucial for cloud droplet activation and condensational growth, varies in clouds at different spatial and temporal scales. In-cloud supersaturation is poorly known and rarely measured directly.
F. Yang   +6 more
doaj   +1 more source

Factors Controlling Rapid Stratocumulus Cloud Thinning

open access: yesJournal of the Atmospheric Sciences, 2014
Abstract The relationship between the inversion stability and the liquid water path (LWP) tendency of a vertically well-mixed, adiabatic stratocumulus cloud layer is investigated in this study through the analysis of the budget equation for the LWP.
J. J. van der Dussen   +2 more
openaire   +4 more sources

Multiple‐scale simulations of stratocumulus clouds [PDF]

open access: yesJournal of Geophysical Research: Atmospheres, 2010
This study introduces a flexible multiple nested modeling framework developed from the Weather Research and Forecasting (WRF) model for boundary layer cloud research. It features a nested large‐eddy simulation in a hindcasting mode that allows a direct comparison between simulations and observations.
Ping Zhu   +3 more
openaire   +1 more source

Scaling of Drizzle Virga Depth With Cloud Thickness for Marine Stratocumulus Clouds

open access: yesGeophysical Research Letters, 2018
Drizzle is frequently observed in marine stratocumulus clouds and plays a crucial role in cloud lifetime and the radiation budget. Most drizzling stratocumulus clouds form drizzle virga below cloud base, where subcloud scavenging and evaporative cooling ...
Fan Yang   +4 more
doaj   +1 more source

Cloud and boundary layer interactions over the Arctic sea ice in late summer [PDF]

open access: yes, 2013
Observations from the Arctic Summer Cloud Ocean Study (ASCOS), in the central Arctic sea-ice pack in late summer 2008, provide a detailed view of cloud- atmosphere-surface interactions and vertical mixing processes over the sea-ice environment ...
Brooks, IM   +7 more
core   +2 more sources

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