Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.

PANEL ON ATMOSPHERIC EFFECTS OF AVIATION


ALBERT J. KAEHN, Jr., retired (formerly Brigadier General, U.S. Air Force)


DONALD W. BAHR, retired (formerly with the General Electric Company)


* JACK G. CALVERT,

National Center for Atmospheric Research, Boulder, Colorado


* ANTONY D. CLARKE,

University of Hawaii, Honolulu


WILLIAM E. COOPER,

Michigan State University, East Lansing


* DIETER H. EHHALT,

Institut für Atmosphärische Chemie, Jülich, Germany


* CLAIRE GRANIER,

Université Paris, France; National Oceanic and Atmospheric Administration and Cooperative Institute for Research in Environmental Sciences, Boulder, Colorado


EDWARD GREITZER,

Massachusetts Institute of Technology, Cambridge


JAMES R. HOLTON,

University of Washington, Seattle


HAROLD S. JOHNSTON,

University of California, Berkeley


KONRAD MAUERSBERGER,

Max-Planck-Institut für Kernphysik, Heidelberg, Germany


MICHAEL OPPENHEIMER,

Environmental Defense Fund, New York, New York


* RUTH A. RECK,

Argonne National Laboratory, Illinois


* W. GEORGE N. SLINN,

Cascade Scientific Research Corporation, Richland, Washington


* KNUT H. STAMNES,

University of Alaska, Fairbanks


YUK L. YUNG,

California Institute of Technology, Pasadena

Staff


WILLIAM A. SPRIGG, Director


ELLEN F. RICE, Program Officer


DORIS BOUADJEMI, Administrative Assistant

*  

Members of the subsonic/tropospheric working group

Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.

The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Bruce M. Alberts is president of the National Academy of Sciences.

The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding engineers. It is autonomous in its administration and in the selection of its members, sharing with the National Academy of Sciences the responsibility for advising the federal government. The National Academy of Engineering also sponsors engineering programs aimed at meeting national needs, encourages education and research, and recognizes the superior achievements of engineers. Dr. William A. Wulf is president of the National Academy of Engineering.

The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the National Academy of Sciences by its congressional charter to be an adviser to the federal government and, upon its own initiative, to identify issues of medical care, research, and education. Dr. Kenneth Shine is president of the Institute of Medicine.

The National Research Council was organized by the National Academy of Sciences in 1916 to associate the broad community of science and technology with the Academy's purposes of furthering knowledge and advising the federal government. Functioning in accordance with general policies determined by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering communities. The Council is administered jointly by both Academies and the Institute of Medicine. Dr. Bruce M. Alberts and Dr. William A. Wulf are chairman and vice chairman, respectively, of the National Research Council.

Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.

Preface

The Subsonic Assessment (SASS) project is the half of NASA's Atmospheric Effects of Aviation Project (AEAP) that is oriented toward the current and future fleets of subsonic aircraft flying in the upper troposphere and lower stratosphere. A component of the Advanced Subsonic Technology Program, SASS has the overall objective of developing an assessment that can answer the questions of how aircraft emissions and their subsequent products affect ozone, radiative forcing, and, ultimately, climate. Begun in late 1993, SASS collected data and developed models in 1994 and 1995, and undertook its first field campaign in 1996. A first project report was also issued in 1996; this panel has drawn heavily on that report in evaluating the progress of SASS. NASA's first assessment report on SASS is due to be published in mid-1997.

The present review of SASS is the product of the NRC Panel on the Atmospheric Effects of Aviation (PAEAN). PAEAN consists of sixteen people selected to provide expertise in relevant fields that include field observations, laboratory chemistry, atmospheric dynamics and modeling, aircraft engines, climate, and public policy. The charge from its NASA sponsor, AEAP, is to provide assessment of and guidance to AEAP by evaluating the appropriateness of AEAP'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. The effects of the current subsonic fleet are of particular concern at the moment, and in this report (one of three in process) PAEAN has focused on how AEAP can most effectively increase understanding of the processes involved. Only issues relating to impacts on the upper troposphere have been addressed, however; possible

Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
Suggested Citation: "Front Matter." National Research Council. 1997. Interim Review of the Subsonic Assessment Project: Management, Science, and Goals. Washington, DC: The National Academies Press. doi: 10.17226/5884.
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Next Chapter: Executive Summary
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