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Small Martian valleys - Pristine and degraded morphologyThis study is concerned with a more detailed investigation of the small valley networks on Mars. The dual nature of many valley systems is pointed out, taking into account a relatively fresh-appearing network portion versus an apparent larger, less distinct network system. These separate network characteristics are referred to as pristine and degraded. The valley networks included in this study are all located in the equatorial zone of heavily cratered uplands, between latitudes 30 deg N and 40 deg S. Aspects of network morphology are examined, taking into account drainage density, network dissection ratio, and valley length parameters. Age relationships are also discussed, giving attention to crater age, counting problems, a conservative method, and a crater-fraction method.
Document ID
19860047242
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Baker, V. R.
(Arizona Univ. Tucson, AZ, United States)
Partridge, J. B.
(Arizona, University Tucson, United States)
Date Acquired
August 12, 2013
Publication Date
March 10, 1986
Publication Information
Publication: Journal of Geophysical Research
Volume: 91
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
86A31980
Funding Number(s)
CONTRACT_GRANT: NASW-285
Distribution Limits
Public
Copyright
Other

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