globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070138
论文题名:
SHARAD detection and characterization of subsurface water ice deposits in Utopia Planitia, Mars
作者: Stuurman C.M.; Osinski G.R.; Holt J.W.; Levy J.S.; Brothers T.C.; Kerrigan M.; Campbell B.A.
刊名: Geophysical Research Letters
ISSN: 0094-8590
EISSN: 1944-8321
出版年: 2016
卷: 43, 期:18
起始页码: 9484
结束页码: 9491
语种: 英语
英文关键词: excess ice ; Mars ; radar ; remote sensing ; SHARAD ; Utopia Planitia
Scopus关键词: Geological surveys ; Ground penetrating radar systems ; Radar ; Reflection ; Remote sensing ; Ground Penetrating Radar ; Mars ; Morphological analysis ; Near surfaces ; Reflective region ; SHARAD ; Subsurface waters ; Utopia Planitia ; Ice
英文摘要: Morphological analyses of Utopia Planitia, Mars, have led to the hypothesis that the region contains a substantial amount of near-surface ice. This paper tests this hypothesis using ground-penetrating radar techniques. We have identified an expansive radar reflective region spanning approximately 375,000 km2 in SHAllow RADar (SHARAD) data over western Utopia Planitia. The SHARAD reflective regions coincides with high densities of scalloped depressions and polygonal terrain. The reflectors are associated with layered mesas ∼80–170 m thick. We find a value of 2.8 ± 0.8 for the dielectric constant of the material overlying the reflectors. This work finds that the dielectric constant is consistent with a mixture of ice, air, and dust, containing a water ice volume up to 14,300 km3 in this unit. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84992382837&doi=10.1002%2f2016GL070138&partnerID=40&md5=6b1a024fcf32bcf039215241dac503af
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9553
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute for Geophysics, University of Texas at Austin, Austin, TX, United States

Recommended Citation:
Stuurman C.M.,Osinski G.R.,Holt J.W.,et al. SHARAD detection and characterization of subsurface water ice deposits in Utopia Planitia, Mars[J]. Geophysical Research Letters,2016-01-01,43(18).
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