Redistribution of lunar polar water to mid-latitudes and its role in forming an OH veneer

被引：16

作者：

Farrell, W. M. ^{[1
,5
]}

Hurley, D. M. ^{[2
,5
]}

Hodges, R. R. ^{[3
,5
]}

Killen, R. M. ^{[1
,5
]}

Halekas, J. S. ^{[4
,5
]}

Zimmerman, M. I. ^{[1
,5
,6
]}

Delory, G. T. ^{[4
,5
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[2] Johns Hopkins Applied Phys Lab, Laurel, MD USA

[3] Univ Colorado, Boulder, CO 80309 USA

[4] Univ Calif Berkeley, Berkeley, CA 94720 USA

[5] NASA, Lunar Sci Inst, Moffett Field, CA USA

[6] Oak Ridge Associated Univ, Oak Ridge, TN USA

来源：

PLANETARY AND SPACE SCIENCE | 2013年 / 89卷

关键词：

Moon; Lunar poles; Sputtering; Impact vaporization; Desorption; Transport; ICE;

D O I：

10.1016/j.pss.2013.05.009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We suggest that energization processes like ion sputtering and impact vaporization can eject/release polar water molecules residing within cold trapped regions with sufficient velocity to allow their redistribution to mid-latitudes. We consider the possibility that these polar-ejected molecules can contribution to the water/OH veneer observed as a 3 mu m IR absorption feature at mid-latitudes by Chandrayaan-1, Cassini, and EPDXI. We find this source cannot fully account for the observed IR feature, but could be a low intensity additional source. Published by Elsevier Ltd.

引用

页码：15 / 20

页数：6

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