Results 61 to 70 of about 7,293 (255)

Global Modeling of the Contrail and Contrail Cirrus Climate Impact [PDF]

Bulletin of the American Meteorological Society, 2010
Despite considerable technological advances, aviation impacts on global climate are significant and may constitute a future constraint on the continued growth of air travel. The most important but least understood component in aviation climate impact assessments are contrails, which form as line-shaped ice clouds (linear contrails) and transform into ...
Burkhardt, Ulrike, Kärcher, Bernd, Schumann, Ulrich   +2 more
openaire   +2 more sources

Far field wake vortex evolution of two aircraft formation flight and implications on young contrails

Aeronautical Journal, 2020
Large-eddy simulations (LES) have been employed to investigate the far-field four-vortex wake vortex evolution over 10min behind an aircraft formation.
S. Unterstrasser, A. Stephan
semanticscholar   +1 more source

Atmospheric Adjustments to In Situ Cirrus Formation in Ice Supersaturated Regions

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 8, 28 April 2026.
Abstract High‐level ice clouds exert a net warming on the climate system because their greenhouse effect outweighs their albedo effect. Focusing on in‐situ cirrus, their formation involves the conversion of upper‐tropospheric water vapor into ice crystals.
Jérémie Juvin‐Quarroz, Audran Borella, Patryk Kiepas, Thomas Dubos, Olivier Boucher, Nicolas Bellouin   +5 more
wiley   +1 more source

Evolution of the water cluster in pore condensation

Droplet, Volume 5, Issue 2, April 2026.
In pore condensation, lower contact angles reduce molecular displacement (60%) and potential energy (10%), enhancing vapor capture tenfold. Pores restrict water molecule mobility, promoting condensation. On hydrophobic surfaces (124∘$^\circ$), pores stabilize embryos, ensuring uniform condensation within pores, boosting nucleation efficiency.
Boxuan Cui, Longfei Chen, Zheng Xu, Kang Pan, Shenghui Zhong   +4 more
wiley   +1 more source

Global Impact of Aviation Contrails

Aerospace
Avoiding contrails is one of the recent trends in ATM. Aviation contrails are considered a significant non-CO2 environmental factor worth avoiding even with a CO2 increase (lower-level cruise or horizontal avoidance, both burning more fuel).
Octavian Thor Pleter, Cristian Emil Constantinescu   +1 more
doaj   +1 more source

Reducing global warming by airline contrail avoidance: A case study of annual benefits for the contiguous United States

Transportation Research Interdisciplinary Perspectives, 2019
High thin clouds are generated by airliners when hot exhaust gases and water vapor from the jet engines mix with cold, humid air to form high thin clouds.
Denis Avila, Lance Sherry, Terry Thompson   +2 more
doaj   +1 more source

Private Governance Responses to Climate Change: The Case of Global Civil Aviation [PDF]

, 2018
This Article explores how private governance can reduce the climate effects of global civil aviation. The civil aviation sector is a major contributor to climate change, accounting for emissions comparable to a top ten emitting country.
Metzger, Daniel J., Vandenbergh, Michael P.   +1 more
core   +2 more sources

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, Volume 7, Issue 3, March 2026.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source

Mitigating the Climate Forcing of Aircraft Contrails by Small-Scale Diversions and Technology Adoption.

Environmental Science and Technology, 2019
The climate forcing of contrails and induced-cirrus cloudiness is thought to be comparable to the cumulative impacts of aviation CO2 emissions. This paper estimates the impact of aviation contrails on climate forcing for flight track data in Japanese ...
Roger Teoh, U. Schumann, A. Majumdar, M. Stettler   +3 more
semanticscholar   +1 more source

Modeling the Impact of Alternative Fuels and Hydrogen Propulsion on Contrail‐Cirrus: A Parameter Study

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 2, 28 January 2026.
Abstract Line‐shaped contrails formed behind aircraft can evolve into broadly spread and long‐living cirrus clouds under favorable conditions. These contrail‐cirrus contribute significantly to the aviation‐induced radiative forcing. While past modeling studies have examined contrail‐cirrus across various atmospheric and aircraft‐type dependent ...
Annemarie Lottermoser, Simon Unterstrasser   +1 more
wiley   +1 more source