globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1819600116
论文题名:
Untangling the formation and liberation of water in the lunar regolith
作者: Zhu C.; Crandall P.B.; Gillis-Davis J.J.; Ishii H.A.; Bradley J.P.; Corley L.M.; Kaiser R.I.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2019
卷: 166, 期:23
起始页码: 11165
结束页码: 11170
语种: 英语
英文关键词: Moon ; Solar wind ; Water
Scopus关键词: mineral ; proton ; silicate ; water ; Article ; astronomy ; chemical composition ; chemical interaction ; controlled study ; heating ; imaging ; lunar regolith ; priority journal ; rock ; simulation ; synthesis ; temperature
英文摘要: The source of water (H2O) and hydroxyl radicals (OH), identified on the lunar surface, represents a fundamental, unsolved puzzle. The interaction of solar-wind protons with silicates and oxides has been proposed as a key mechanism, but laboratory experiments yield conflicting results that suggest that proton implantation alone is insufficient to generate and liberate water. Here, we demonstrate in laboratory simulation experiments combined with imaging studies that water can be efficiently generated and released through rapid energetic heating like micrometeorite impacts into anhydrous silicates implanted with solar-wind protons. These synergistic effects of solar-wind protons and micrometeorites liberate water at mineral temperatures from 10 to 300 K via vesicles, thus providing evidence of a key mechanism to synthesize water in silicates and advancing our understanding on the origin of water as detected on the Moon and other airless bodies in our solar system such as Mercury and asteroids. © 2019 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163553
Appears in Collections:气候变化与战略

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作者单位: Zhu, C., Department of Chemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States, W. M. Keck Laboratory in Astrochemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Crandall, P.B., Department of Chemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States, W. M. Keck Laboratory in Astrochemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Gillis-Davis, J.J., Hawai‘i Institute of Geophysics and Planetology, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Ishii, H.A., Hawai‘i Institute of Geophysics and Planetology, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Bradley, J.P., Hawai‘i Institute of Geophysics and Planetology, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Corley, L.M., Hawai‘i Institute of Geophysics and Planetology, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States; Kaiser, R.I., Department of Chemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States, W. M. Keck Laboratory in Astrochemistry, University of Hawai‘i at Manoa, Honolulu, HI 96822, United States

Recommended Citation:
Zhu C.,Crandall P.B.,Gillis-Davis J.J.,et al. Untangling the formation and liberation of water in the lunar regolith[J]. Proceedings of the National Academy of Sciences of the United States of America,2019-01-01,166(23)
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