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Submicroscopic metallic iron in lunar soils estimated from the in situ spectra of the Chang'E-3 mission
Wang, Zhenchao1; Wu, Yunzhao2; Blewett, David T.3; Cloutis, Edward A.4; Zheng, Yongchun5; Chen, Jun1
2017-04-28
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume44Issue:8Pages:3485-3492
Corresponding AuthorWu, Yunzhao(wu@pmo.ac.cn)
AbstractSubmicroscopic metallic iron (SMFe) created by space weathering has strong effects on the optical properties of the lunar surface. Spectra measured in situ by the visible-near-infrared spectrometer (VNIS) on board the Chang'E-3 Yutu rover were used to investigate optical maturity differences at the CE-3 landing site caused by lander exhaust. SMFe abundances were estimated using Hapke's radiative transfer model. Analysis of the spectrum for a minimally disturbed soil indicates that it contains 0.368 wt% SMFe, corresponding to an I-s/FeO maturity index of similar to 53 and indicating that the landing site is submature. The soil at a location that was more disturbed contains 0.217 wt% SMFe, suggesting that the material removed by the rocket blast is more weathered than the regolith that remained behind. We conclude that maturity differences related to removal of the finest, highly mature particles play a major role in the observed reflectance changes associated with rocket blast.
DOI10.1002/2017GL072652
WOS KeywordBIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; IMAGING SPECTROMETER ; OPTICAL-PROPERTIES ; FINEST FRACTION ; MARE IMBRIUM ; IMAGES ; MOON
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000401847500007
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23106
Collection中国科学院紫金山天文台
Corresponding AuthorWu, Yunzhao
Affiliation1.Nanjing Univ, Dept Earth Sci, Key Lab Surficial Geochem, Minist Educ, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Planetary Sci, Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
3.Johns Hopkins Appl Phys Lab, Planetary Explorat Grp, Laurel, MD USA
4.Univ Winnipeg, Dept Geog, Winnipeg, MB, Canada
5.Chinese Acad Sci, Key Lab Lunar & Deep Space Explorat, Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhenchao,Wu, Yunzhao,Blewett, David T.,et al. Submicroscopic metallic iron in lunar soils estimated from the in situ spectra of the Chang'E-3 mission[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(8):3485-3492.
APA Wang, Zhenchao,Wu, Yunzhao,Blewett, David T.,Cloutis, Edward A.,Zheng, Yongchun,&Chen, Jun.(2017).Submicroscopic metallic iron in lunar soils estimated from the in situ spectra of the Chang'E-3 mission.GEOPHYSICAL RESEARCH LETTERS,44(8),3485-3492.
MLA Wang, Zhenchao,et al."Submicroscopic metallic iron in lunar soils estimated from the in situ spectra of the Chang'E-3 mission".GEOPHYSICAL RESEARCH LETTERS 44.8(2017):3485-3492.
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