منابع مشابه
Phone - a - thon exceeds goal
An Tostal, Notre D am e’s annual spring festival sponsored by the Hall P res iden t’s Council, ended yesterday , concluding the weeklong celebration. John Rooney, An Tostal chairm an, te rm ed the event “ a g rea t success .” Frivolous F riday’s events in cluded the Jello Toss, which was won by Dillon residen ts J .P . Madigan and Lou B ridges. Fifteen people m anaged to erect a hum an pyram i...
متن کاملAircraft Contrails Factsheet
1EPA 2Printed on paper that contains at least 30 percent postconsumer fiber. 1 This fact sheet focuses on contrails produced by aircraft engine exhaust. However, the term " contrail " is also used to refer to the short trails sometimes briefly appearing over aircraft wings or engine propellers, especially under mild, humid conditions. These contrails consist entirely of atmospheric water that c...
متن کاملContrails and Induced Cirrus
C loud radiative forcing, the difference between the top-of-atmosphere radiative fluxes for all sky and clear skies, is a straightforward metric to gauge the climate impacts of contrails and contrail cirrus, which constitute a potentially serious long-term environmental issue associated with aviation (Minnis et al. 2004; Wuebbles et al. 2010). The Intergovernmental Panel on Climate Change (IPCC...
متن کاملDo supersonic aircraft avoid contrails?
The impact of a potential future fleet of supersonic aircraft on contrail coverage and contrail radiative forcing is investigated by means of simulations with the general circulation model ECHAM4.L39(DLR) including a contrail parameterization. The model simulations consider air traffic inventories of a subsonic fleet and of a combined fleet of suband supersonic aircraft for the years 2025 and 2...
متن کاملContrails reduce daily temperature range.
The potential of condensation trails (contrails) from jet aircraft to affect regional-scale surface temperatures has been debated for years, but was difficult to verify until an opportunity arose as a result of the three-day grounding of all commercial aircraft in the United States in the aftermath of the terrorist attacks on 11 September 2001. Here we show that there was an anomalous increase ...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2005
ISSN: 0096-3941
DOI: 10.1029/2005eo410004