Results 11 to 20 of about 5,933 (229)

On the Lifetimes of Persistent Contrails and Contrail Cirrus

open access: yesJournal of Geophysical Research: Atmospheres
Abstract Prediction of contrail cirrus persistence is highly problematic for models, in part due to a poor representation of intertwined microphysical and dynamical processes controlling contrail evolution in large‐scale ice‐supersaturated areas.
Bernd Kärcher, Milena Corcos
openaire   +3 more sources

Contrail Microphysics [PDF]

open access: yesBulletin of the American Meteorological Society, 2010
This article reviews the current state of understanding of the science of contrails: 1) how they are formed, 2) their microphysical properties as they evolve into contrail cirrus and whether their microphysical properties can be distinguished from natural cirrus, and 3) the ice-nucleating properties of soot aerosols and whether these aerosols can ...
Heymsfield, A   +5 more
openaire   +4 more sources

Statistical analysis of contrail to cirrus evolution during the Contrail and Cirrus Experiment (CONCERT) [PDF]

open access: yesAtmospheric Chemistry and Physics, 2018
Air traffic affects cloudiness, and thus climate, by emitting exhaust gases and particles. The study of the evolution of contrail properties is very challenging due to the complex interplay of vortex dynamics and the atmospheric environment (e.g ...
A. Chauvigné   +16 more
doaj   +1 more source

Regional and Seasonal Dependence of the Potential Contrail Cover and the Potential Contrail Cirrus Cover over Europe

open access: yesAerospace, 2022
Ambient weather conditions strongly impact contrail formation and persistence. The implementation of contrail avoidance and mitigation strategies, therefore, requires regional and altitude-dependent information on the frequency of contrail occurrence. To
Rebecca Dischl   +2 more
doaj   +1 more source

A contrail cirrus prediction model [PDF]

open access: yesGeoscientific Model Development, 2012
A new model to simulate and predict the properties of a large ensemble of contrails as a function of given air traffic and meteorology is described.
U. Schumann
doaj   +1 more source

Simulations of Contrail Optical Properties and Radiative Forcing for Various Crystal Shapes [PDF]

open access: yes, 2011
The aim of this study is to investigate the sensitivity of radiative-forcing computations to various contrail crystal shape models. Contrail optical properties in the shortwave and longwave ranges are derived using a ray-tracing geometric method and ...
Markowicz, Krzysztof M.   +1 more
core   +1 more source

Contrail microphysics in the near wake of a realistic wing through RANS simulations [PDF]

open access: yes, 2012
This paper focuses on Steady Reynolds Average Navier Stokes simulations (RANS) of ice particles growth in the near field of a wing-injector configuration.
Guignery, Florent   +3 more
core   +3 more sources

Modelling contrail cirrus using a double-moment cloud microphysics scheme in the UK Met Office Unified Model [PDF]

open access: yesAtmospheric Chemistry and Physics
Contrail cirrus is the largest contributor to aviation effective radiative forcing (ERF), but remains highly uncertain (∼ 70 %). Recent research has highlighted the critical role of cloud microphysical schemes in contrail cirrus climate modelling.
W. Zhang   +8 more
doaj   +1 more source

The evolution of microphysical and optical properties of an A380 contrail in the vortex phase [PDF]

open access: yesAtmospheric Chemistry and Physics, 2012
A contrail from a large-body A380 aircraft at cruise in the humid upper troposphere has been probed with in-situ instruments onboard the DLR research aircraft Falcon.
J.-F. Gayet   +10 more
doaj   +1 more source

Observations of microphysical properties and radiative effects of a contrail cirrus outbreak over the North Atlantic [PDF]

open access: yesAtmospheric Chemistry and Physics, 2023
Contrail cirrus constitute the largest radiative forcing (RF) component to the total aviation effect on climate. However, the microphysical properties and radiative effects of contrail cirrus and natural cirrus clouds in the same meteorological ...
Z. Wang   +14 more
doaj   +1 more source

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