Results 171 to 180 of about 2,173 (206)

Airborne measurements of the nitric acid partitioning inpersistent contrails [PDF]

, 2009
Bauer, R., Borrmann, S., de Reus, M., Krämer, M., Kärcher, B., Peter, Th., Schiller, C., Schlager, H., Schäuble, D., Spelten, N., Stock, P., Szakall, M., Voigt, C., Weers, U.   +13 more
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A note on how to avoid contrail cirrus

Transportation Research Part D: Transport and Environment, 2005
Aircraft induced cirrus clouds have a major effect on climate. Here we use operational radiosonde data with high vertical resolution to estimate the effect of a small change in flight altitudes on the contrail and cirrus formation. It is shown that a substantial fraction of contrails and contrail induced cirrus can be avoided by relatively small ...
Mannstein, H., Spichtinger, P., Gierens, K.   +2 more
openaire   +4 more sources

Climate impact of contrail cirrus

2023
Der Luftverkehr ist in den letzten Jahrzehnten exponentiell angewachsen und spielt deshalb eine wichtige Rolle in der Diskussion über zukünftige Strategien zur Reduzierung von Klimaänderungen. Basierend auf Strahlungsantrieben liefern Kondensstreifen-Zirren vermutlich den größten Beitrag zur Klimawirkung des Luftverkehrs und übertreffen damit die CO2 ...
openaire   +1 more source

Contrails and Induced Cirrus

Bulletin of the American Meteorological Society, 2010
This paper summarizes the assessment of the current state of knowledge, areas of uncertainties, and recommendations for future efforts, regarding the optical and radiative properties of contrails and contrail cirrus, which have been reported in two detailed subject-specific white papers for the Aviation Climate Change Research Initiative undertaken by ...
Yang, Ping, Hong, Gang, Dessler, Andrew E., Ou, Steve S. C., Liou, Kou N., Minnis, Patrick, Harshvardhan   +6 more
openaire   +2 more sources

Contrails, Cirrus Trends, and Climate

Journal of Climate, 2004
Rising global air traffic and its associated contrails have the potential for affecting climate via radiative forcing. Current estimates of contrail climate effects are based on coverage by linear contrails that do not account for spreading and, therefore, represent the minimum impact.
Patrick Minnis, J. Kirk Ayers, Rabindra Palikonda, Dung Phan   +3 more
openaire   +1 more source

Investigating contrails within cirrus clouds

2020
<p>Effects of aviation on the Earth’s radiation budget and climate related to CO<sub>2</sub> emissions and from the formation of linear contrails and contrail cirrus have been the focus of detailed studies. Aviation effects on existing cirrus clouds are much less investigated.
Peter Bräuer, Hanna Weikert, Matthias Tesche   +2 more
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Persistent Contrails and Contrail Cirrus. Part II: Full Lifetime Behavior

Journal of the Atmospheric Sciences, 2014
Abstract More than 200 large-eddy simulations of long-lived contrails from several-seconds age until their demise have been performed and their lifetime-integrated behavior has been analyzed. The simulations employ size-resolved microphysics and include variations of effective ice crystal number emission index, temperature, relative ...
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Cirrus and Contrails

Weather, 2023
openaire   +1 more source