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DOI | 10.1029/2018GL080258 |
Normal Faults on Ceres: Insights Into the Mechanical Properties and Thermal History of Nar Sulcus | |
Hughson, Kynan H. G.1; Russell, C. T.1; Schmidt, B. E.2; Travis, B.3; Preusker, F.4; Neesemann, A.5; Sizemore, H. G.3; Schenk, P. M.6; Buczkowski, D. L.7; Castillo-Rogez, J. C.8; Raymond, C. A.8 | |
2019-01-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:1页码:80-88 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Germany |
英文摘要 | We characterized two sets of extensional faults that comprise the Nar Sulcus region of Ceres by applying a cantilever model for fault related flexure and derived flexural rigidity values for Nar Sulcus between 2.0 Plain Language Summary In March 2015, the National Aeronautics and Space Administration's Dawn spacecraft began orbiting the dwarf planet Ceres, the largest object in the main asteroid belt between Mars and Jupiter. Research has shown that a major volume fraction of the subsurface of Ceres may be composed of water ice. Knowing how water ice is distributed in the upper layer of Ceres is essential to understanding how the surface and interior have evolved over time. The Nar Sulcus region consists of two sets of extensional faults that we characterized in this study. We modeled the topography of these extensional faults in order to determine the elastic properties of the region. The properties we derived for Ceres' uppermost mechanical layer are similar to those of many of the icy moons of Jupiter and Saturn. Furthermore, they were used to help constrain three key parameters of this upper layer at Nar Sulcus: its mechanical thickness, its heat flow during the formation of the faults, and its water ice volume fraction. |
英文关键词 | Dawn Ceres extension faulting elastic thickness heat flux |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000456938600010 |
WOS关键词 | GEOMORPHOLOGICAL EVIDENCE ; LITHOSPHERIC FLEXURE ; GROUND ICE ; WATER ICE ; HEAT-FLOW ; CONSTRAINTS ; EVOLUTION ; RIGIDITY ; FRICTION ; GRAVITY |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/28938 |
专题 | 气候变化 |
作者单位 | 1.Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA 90095 USA; 2.Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA; 3.Planetary Sci Inst, Tucson, AZ USA; 4.German Aerosp Ctr DLR, Berlin, Germany; 5.Free Univ Berlin, Inst Geol Sci Planetary Sci & Remote Sensing, Berlin, Germany; 6.Lunar & Planetary Inst, Houston, TX USA; 7.Johns Hopkins Appl Phys Lab, Laurel, MD USA; 8.Jet Prop Lab, Pasadena, CA USA |
推荐引用方式 GB/T 7714 | Hughson, Kynan H. G.,Russell, C. T.,Schmidt, B. E.,et al. Normal Faults on Ceres: Insights Into the Mechanical Properties and Thermal History of Nar Sulcus[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(1):80-88. |
APA | Hughson, Kynan H. G..,Russell, C. T..,Schmidt, B. E..,Travis, B..,Preusker, F..,...&Raymond, C. A..(2019).Normal Faults on Ceres: Insights Into the Mechanical Properties and Thermal History of Nar Sulcus.GEOPHYSICAL RESEARCH LETTERS,46(1),80-88. |
MLA | Hughson, Kynan H. G.,et al."Normal Faults on Ceres: Insights Into the Mechanical Properties and Thermal History of Nar Sulcus".GEOPHYSICAL RESEARCH LETTERS 46.1(2019):80-88. |
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