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Cited by 510

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Ice in the lunar polar regions

Arnold, James R.·1979·Journal of Geophysical Research: Solid Earth

Abstract

The idea that ice and other trapped volatiles exist in permanently shadowed regions near the lunar poles was proposed by Watson, Murray, and Brown [1961]. It is reexamined in the present paper, in the light of the vast increase of our lunar knowledge. The stability of the traps and the trapping mechanism are verified. Four potential sources of lunar H 2 O, (1) solar wind reduction of Fe in the regolith, (2) H 2 O‐containing meteoroids, (3) cometary impact, and (4) (the least certain) degassing of the interior, can supply amounts of trapped H 2 O estimated in the range of 10 16–10 17 g. Two important destructive mechanisms have been identified: photodissociation of H 2 O molecules adsorbed on the sunlit surface and sputtering or decomposition of trapped H 2 O by solar wind particles. The effect of impact gardening is mainly protective. The question of the presence of H 2 O in the traps remains open; it can be settled by experiment.

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Metadata

Authors
Arnold, J. R.
Venue
Journal of Geophysical Research: Solid Earth
Published
1979-09-10
Volume
84
Issue
B10
Pages
5659-5668
ISSN
0148-0227 (ISSN-L)
OpenAlex
W1975640118
Cited by
510
References
1
FWCI
1.78
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Ice in the lunar polar regions. https://app.cochat.ai/papers/10.1029/jb084ib10p05659
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Arnold, J. R. (1979). Ice in the lunar polar regions. Journal of Geophysical Research: Solid Earth. https://doi.org/10.1029/jb084ib10p05659

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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