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Deuterium enrichment in the primitive ices of the protosolar nebulaOn the basis of CH3D/CH4-ratio observations in the outer planets, the present effort to estimate the D/H ratio of the protosolar nebula's primitive ices arrives at two simple, yet effectively limiting models which constrain the degree of dilution undergone by deuterated volatiles through mixing with the initial hydrogen envelopes. These volatiles would have been contributed to planetary atmospheres by evaporated primordial ices. Ice D/H ratio model results of 0.0001 to 0.001 are compared with values for other potentially primitive material-containing bodies in the solar system, as well as with D/H ratio values from interstellar polyatomic molecules.
Document ID
19900057252
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lutz, Barry L.
(Lowell Observatory Flagstaff, AZ, United States)
Owen, Tobias
(New York, State University Stony Brook, United States)
De Bergh, Catherine
(Paris Observatoire, Meudon, France)
Date Acquired
August 14, 2013
Publication Date
August 1, 1990
Publication Information
Publication: Icarus
Volume: 86
ISSN: 0019-1035
Subject Category
Astrophysics
Accession Number
90A44307
Funding Number(s)
CONTRACT_GRANT: NAGW-1505
CONTRACT_GRANT: NGR-33-015-141
Distribution Limits
Public
Copyright
Other

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