NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Production of carbon monoxide by charged particle deposition.Recent studies of electron energy deposition in CO2 and CO based upon a large set of electron impact cross sections are utilized to estimate the telluric CO directly produced by various charged-particle deposition mechanisms. The mechanisms considered are (1) lightning, (2) cloud coronal discharges, (3) background radioactivity, (4) natural electrostatic discharges, (5) photoelectrons in the ionosphere, (6) auroral electrons, (7) auroral protons, (8) cosmic rays, and (9) solar wind. 'Ball park' estimates of the global CO production by each of these mechanisms are given. Apart from mechanisms 1, 2, and 5, all CO production mechanisms are estimated to be small compared to artificial sources. If, as appears to be the case, the hot oxygen atoms and ions and other atomic species immediately produced by these three charged-particle deposition mechanisms react rapidly with CO2 to produce CO, these mechanisms can readily lead to CO production levels in the multimegaton-per-year range.
Document ID
19730055277
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Green, A. E. S.
Sawada, T.
Edgar, B. C.
Uman, M. A.
(Florida, University Gainesville, Fla., United States)
Date Acquired
August 7, 2013
Publication Date
August 20, 1973
Publication Information
Publication: Journal of Geophysical Research
Volume: 78
Subject Category
Geophysics
Accession Number
73A40079
Funding Number(s)
CONTRACT_GRANT: F19628-72-C-0122
CONTRACT_GRANT: NGL-10-005-008
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available