GSTDTAP  > 气候变化
DOI10.1029/2020GL087234
Monitoring of Dust Devil Tracks Around the InSight Landing Site, Mars, and Comparison with in‐situ Atmospheric Data
C. Perrin; S. Rodriguez; A. Jacob; A. Lucas; A. Spiga; N. Murdoch; R. Lorenz; I. J. Daubar; L. Pan; T. Kawamura; P. Lognonné; D. Banfield; M. E. Banks; R. F. Garcia; C. E. Newman; L. Ohja; R. Widmer‐; Schnidrig; A. S. McEwen; W. B. Banerdt
2020-04-23
发表期刊Geophysical Research Letters
出版年2020
英文摘要

The NASA InSight mission on Mars is a unique opportunity to study atmospheric processes both from orbit and in situ observations. We use post‐landing high‐resolution satellite images to monitor dust devil activity during the first eight months of the mission. We perform mapping and semi‐automatic detection of newly formed dust devil tracks and analyze their characteristics (sizes, azimuths, distances, and directions of motion). We find a large number of tracks appearing shortly after landing, followed by a significant decrease of activity during late winter, then a progressive increase during early spring. New tracks are characterized by dark linear, to slightly curvilinear, traces ranging from a few to more than ten meters wide. Tracks are oriented in the ambient wind direction, according to measurements made by InSight's meteorological sensors. The systematic analysis of dust devil tracks is useful to have a better understanding of atmospheric and aeolian activity around InSight.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/248978
专题气候变化
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C. Perrin,S. Rodriguez,A. Jacob,等. Monitoring of Dust Devil Tracks Around the InSight Landing Site, Mars, and Comparison with in‐situ Atmospheric Data[J]. Geophysical Research Letters,2020.
APA C. Perrin.,S. Rodriguez.,A. Jacob.,A. Lucas.,A. Spiga.,...&W. B. Banerdt.(2020).Monitoring of Dust Devil Tracks Around the InSight Landing Site, Mars, and Comparison with in‐situ Atmospheric Data.Geophysical Research Letters.
MLA C. Perrin,et al."Monitoring of Dust Devil Tracks Around the InSight Landing Site, Mars, and Comparison with in‐situ Atmospheric Data".Geophysical Research Letters (2020).
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