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Separation of dynamic and isostatic components of the Venusian gravity and topography and determination of the crustal thickness of Venus
Yang, An1,2; Huang, Jinshui1; Wei, Daiyun1,3
2016-09-15
发表期刊PLANETARY AND SPACE SCIENCE
卷号129页码:24-31
文章类型Article
摘要Assuming that the long-wavelength geoid and topography of Venus are supported by both mantle convection and Airy isostasy, we propose a method to separate the dynamic and isostatic components of the Venusian gravity and topography with the aid of the dynamic admittance from numerical models of mantle convection and the isostatic admittance from an Airy isostatic model. The global crustal thickness is then calculated based on the isostatic component of the gravity and topography. The results show that some highland plateaus such as Ishtar Terra and Ovda Regio have thick crust, which are largely supported by isostatic compensation. Other highland plateaus such as Thetis and Phoebe Regiones appear to have superimposed contributions from crustal thickening and dynamic support. Volcanic rises such as Atla and Beta Regiones have thin crust, which is consistent with the postulation that these volcanic rises are mainly the products of dynamic uplift caused by mantle plumes. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Venus Gravity Dynamic Topography Inversion Crustal Thickness
DOI10.1016/j.pss.2016.06.001
收录类别SCI
语种英语
WOS记录号WOS:000381323800003
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/135718
专题海洋地质与环境重点实验室
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, Lab Seismol & Phys Earths Interior, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
3.BGP, Geophys Res Inst, Chang Qing Branch, Xian, Peoples R China
第一作者单位中国科学院海洋研究所
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Yang, An,Huang, Jinshui,Wei, Daiyun. Separation of dynamic and isostatic components of the Venusian gravity and topography and determination of the crustal thickness of Venus[J]. PLANETARY AND SPACE SCIENCE,2016,129:24-31.
APA Yang, An,Huang, Jinshui,&Wei, Daiyun.(2016).Separation of dynamic and isostatic components of the Venusian gravity and topography and determination of the crustal thickness of Venus.PLANETARY AND SPACE SCIENCE,129,24-31.
MLA Yang, An,et al."Separation of dynamic and isostatic components of the Venusian gravity and topography and determination of the crustal thickness of Venus".PLANETARY AND SPACE SCIENCE 129(2016):24-31.
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