GSTDTAP  > 气候变化
DOI10.1029/2019GL084033
Crevasse Propagation on Brittle Ice: Application to Cycloids on Europa
Poinelli, Mattia1,2; Larour, Eric1; Castillo-Rogez, Julie1; Vermeersen, Bert2,3
2019-11-07
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2019
文章类型Article;Early Access
语种英语
国家USA; Netherlands
英文摘要

Existing lineaments on the surface of the Jovian moon Europa are thought to be the result of ongoing brittle crack formation in the elastic regime. Arcuate features are called cycloids and can be modeled using linear elastic fracture mechanics. Here, we build on existing terrestrial models of rift propagation and extend them to cycloids on the moon. We propose that these cracks tend to grow as a series of nearly instantaneous events, spaced by periods of inactivity. The behavior is similar to what is observed on Antarctic ice shelves, where rifts can remain dormant for years. We argue that dormant periods between growth events could explain the presence of cycloids on Europa even without invoking secular motion of the crust. Furthermore, being able to model propagation events and their timing should help future missions exploring the moon.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000494950000001
WOS关键词FRACTURE-MECHANICS APPROACH ; TIDALLY DRIVEN FRACTURES ; NONSYNCHRONOUS ROTATION ; SUBSURFACE OCEAN ; RIFT PROPAGATION ; INTERNAL STRUCTURE ; EAST ANTARCTICA ; SHELF ; PENETRATION ; STRESSES
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/188271
专题气候变化
作者单位1.CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA;
2.Delft Univ Technol, Dept Geosci & Remote Sensing, Delft, Netherlands;
3.Delft Univ Tecl, Fac Aerosp Engn, Delft, Netherlands
推荐引用方式
GB/T 7714
Poinelli, Mattia,Larour, Eric,Castillo-Rogez, Julie,et al. Crevasse Propagation on Brittle Ice: Application to Cycloids on Europa[J]. GEOPHYSICAL RESEARCH LETTERS,2019.
APA Poinelli, Mattia,Larour, Eric,Castillo-Rogez, Julie,&Vermeersen, Bert.(2019).Crevasse Propagation on Brittle Ice: Application to Cycloids on Europa.GEOPHYSICAL RESEARCH LETTERS.
MLA Poinelli, Mattia,et al."Crevasse Propagation on Brittle Ice: Application to Cycloids on Europa".GEOPHYSICAL RESEARCH LETTERS (2019).
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