globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2020.116117
论文题名:
In situ spectral measurements of space weathering by Chang'e-4 rover
作者: Gou S.; Yue Z.; Di K.; Wan W.; Liu Z.; Liu B.; Peng M.; Wang Y.; He Z.; Xu R.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 535
语种: 英语
中文关键词: Chang'e-4 rover ; Hapke model ; in situ measurements ; SMFe abundance ; space weathering
英文关键词: Infrared devices ; Reflection ; Chang'e-4 rover ; Hapke model ; In-situ measurement ; SMFe abundance ; Space weathering ; Weathering ; Chang'e ; chemical weathering ; in situ measurement ; iron ; Moon ; regolith ; spectral reflectance
英文摘要: Space weathering introduces confounding effects on visible and near infrared reflectance spectra of airless bodies, which considerably darkens the reflectance, reddens the continuum slope and suppresses absorption features. It's mainly attributed to the gradual formation and accumulation of submicroscopic metallic iron (SMFe) on regolith grains. In situ spectral measurements from Chang'e-4 rover provide a unique opportunity to investigate the space weathering effects on the intact lunar farside regolith. SMFe abundance at the landing site, which is 0.32±0.06 wt.%, is retrieved from in situ measured reflectance spectra by using Hapke model. The derived Is/FeO maturity index (82±15) indicates the Finsen crater ejecta-sourced regolith is mature, which is consistent with the geologic background that it had experienced about 3.7 Ga space weathering. © 2020 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164992
Appears in Collections:气候变化与战略

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作者单位: State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100101, China; State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macau, China; CAS Center for Excellence in Comparative Planetology, Hefei, 230026, China; Key Laboratory of Space Active Opto-Electronics Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, 200083, China

Recommended Citation:
Gou S.,Yue Z.,Di K.,et al. In situ spectral measurements of space weathering by Chang'e-4 rover[J]. Earth and Planetary Science Letters,2020-01-01,535
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