Aerospace & aviation technology
The Atmospheric Effects of Stratospheric Aircraft Project
An Interim Review of Science and Progress
by Panel on Atmospheric Effects of Aviation, National Research Council
Description
Scientists and policy-makers alike are concerned that operation of a fleet of high-speed civil transport (HSCT) aircraft could significantly affect the global atmosphere. HSCT emissions may have a direct effect on the chemistry of the atmosphere, leading to changes in the distribution of ozone; they may also have indirect effects on ozone and on global climate through coupling with radiative and dynamical processes in the atmosphere. An assessment of the atmospheric impact of a fleet of HSCTs thus requires not only an understanding of the chemistry of the natural stratosphere and its possible perturbations by HSCT emissions, but also an understanding of the pathways for transport of HSCT emissions within the atmosphere, and the resulting temporal and spatial distribution of HSCT emissions.
The results of NASA's Atmospheric Effects of Stratospheric Aircraft (AESA) project were summarized in a 1995 NASA assessment. The present report looks at that summary and at more recent work to evaluate the state of the science. AESA has made good progress in the past few years. Satellite and aircraft observations have elucidated important aspects of large-scale transport processes. Field campaigns have provided a much better picture of the relative importance, below 20 km altitude, of the major catalytic cycles for ozone destruction. Careful intercomparisons of assessment models have led to reduction of some of the differences among the models. However, a number of uncertainties and inconsistencies still remain.
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WW ex JP, CN, KR ; L
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http://www.nap.edu/6255
National Academies Press
The National Academies Press (NAP) publish the reports of the National Academies of Sciences, Engineering and Medicine. They published more than 200 books a year on a wide range of topics.
View all titlesBibliographic Information
- Publisher National Academies Press
- Publication Date August 1998
- Orginal LanguageEnglish
- ISBN/Identifier 9780309060950
- Publication Country or regionUnited States
- FormatPaperback
- Primary Price 21 USD
- Pages68
- ReadershipProfessional and scholarly
- Publish StatusPublished
- Dimensions9 x 6 inches
- Biblio Notes1998
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