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Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 60 |
Release | : 1999-10-05 |
Genre | : Technology & Engineering |
ISBN | : 030917290X |
Download A Review of NASA's 'Atmospheric Effects of Stratospheric Aircraft' Project Book in PDF, ePub and Kindle
The NRC Panel on the Atmospheric Effects of Aviation (PAEAN) was established to provide guidance to NASA's Atmospheric Effects of Aviation Program (AEAP) by evaluating the appropriateness of the program's research plan, appraising the project-sponsored results relative to the current state of scientific knowledge, identifying key scientific uncertainties, and suggesting research activities likely to reduce those uncertainties. Over the last few years, the panel has written periodic reviews of both the subsonic aviation (Subsonic Assessment-SASS) and the supersonic aviation (Atmospheric Effects of Stratospheric Aircraft-AESA) components of AEAP, including: An Interim Review of the Subsonic Assessment Project (1997); An Interim Assessment of AEAP's Emissions Characterization and Near-Field Interactions Elements (1997); An Interim Review of the AESA Project: Science and Progress (1998); Atmospheric Effects of Aviation: A Review of NASA's Subsonic Assessment Project (1998). This report constitutes the final review of AESA and will be the last report written by this panel. The primary audience for these reports is the program managers and scientists affiliated with AEAP, although in some cases the topics discussed are of interest to a wider audience.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 68 |
Release | : 1998-08-21 |
Genre | : Technology & Engineering |
ISBN | : 0309173760 |
Download The Atmospheric Effects of Stratospheric Aircraft Project Book in PDF, ePub and Kindle
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.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 55 |
Release | : 1999-02-19 |
Genre | : Technology & Engineering |
ISBN | : 0309076609 |
Download Atmospheric Effects of Aviation Book in PDF, ePub and Kindle
Aviation is an integral part of the global transportation network, and the number of flights worldwide is expected to grow rapidly in the coming decades. Yet, the effects that subsonic aircraft emissions may be having upon atmospheric composition and climate are not fully understood. To study such issues, NASA sponsors the Atmospheric Effects of Aviation Program (AEAP). The NRC Panel on Atmospheric Effects of Aviation is charged to evaluate AEAP, and in this report, the panel is focusing on the subsonic assessment (SASS) component of the program. This evaluation of SASS/AEAP was based on the report Atmospheric Effects of Subsonic Aircraft: Interim Assessment Report of the Advanced Sub-sonic Technology Program, on a strategic plan developed by SASS managers, and on other relevant documents.
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 256 |
Release | : 2018-08-04 |
Genre | : |
ISBN | : 9781724681935 |
Download The Atmospheric Effects of Stratospheric Aircraft Book in PDF, ePub and Kindle
This document presents the fourth report from the Atmospheric Effects of Stratospheric Aircraft (AESA) component of NASA's High-Speed Research Program (HSRP). Market and technology considerations continue to provide an impetus for high-speed civil transport research. A recent AESA interim assessment report and a review of that report have shown that considerable uncertainty still exists about the possible impact of aircraft on the atmosphere. The AESA has been designed to develop the body of scientific knowledge necessary for the evaluation of the impact of stratospheric aircraft on the atmosphere. The first Program report presented the basic objectives and plans for AESA. This fourth report comes after the interim assessment and sets forth directions for the 1995 assessment at the end of AESA Phase 1. It also sets forth the goals and directions for AESA Phase 2, as reported at the 1994 Atmospheric Effects of Aviation Project (AEAP) annual meeting held in June. The focus of the Phase 2 effort is to obtain the best possible closure on the outstanding problems identified in the interim assessment and NASA/NRC review. Topics discussed in this report include how high-speed civil transports (HSCT) might affect stratospheric ozone, emissions scenarios and databases to assess potential atmospheric effects from HSCT's, calculated results from 2-D zonal mean models using emissions data, engine trace constituent measurements. Stolarski, Richard S. (Editor) and Wesoky, Howard L. (Editor) and Wofsy, Steven C. and Ravishankara, A. R. and Rodriguez, Jose M. and Grose, William L. Goddard Space Flight Center; Langley Research Center NASA-RP-1359, NAS 1.61:1359 ...
Author | : H. S. Johnston |
Publisher | : |
Total Pages | : |
Release | : 1991 |
Genre | : |
ISBN | : |
Download The Atmospheric Effects of Stratospheric Aircraft Book in PDF, ePub and Kindle
Author | : Richard S. Stolarski |
Publisher | : |
Total Pages | : 258 |
Release | : 1995 |
Genre | : Air |
ISBN | : |
Download The Atmospheric Effects of Stratospheric Aircraft Book in PDF, ePub and Kindle
Author | : Michael J. Prather |
Publisher | : |
Total Pages | : 246 |
Release | : 1992 |
Genre | : Aeronautics, Commercial |
ISBN | : |
Download The Atmospheric Effects of Stratospheric Aircraft: A First Program Report Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 0 |
Release | : 1998 |
Genre | : Air |
ISBN | : |
Download The Atmospheric Effects of Stratospheric Aircraft Project Book in PDF, ePub and Kindle
Author | : Harold S. Johnston |
Publisher | : |
Total Pages | : 44 |
Release | : 1991 |
Genre | : Air |
ISBN | : |
Download The Atmospheric Effects of Stratospheric Aircraft Book in PDF, ePub and Kindle
Author | : Richard S. Stolarski |
Publisher | : |
Total Pages | : 140 |
Release | : 1995 |
Genre | : Aeronautics, Commercial |
ISBN | : |
Download 1995 Scientific Assessment of the Atmospheric Effects of Stratospheric Aircraft Book in PDF, ePub and Kindle