干旱区生态环境知识资源中心(Arid): Slope streaks in the Yingxiong Range, the western Qaidam Basin and implications for Mars

Arid

DOI	10.1016/j.geomorph.2021.108062
	Slope streaks in the Yingxiong Range, the western Qaidam Basin and implications for Mars
	Cheng, Rui-Lin; He, Hongping; Michalski, Joseph R.; Li, Yi-Liang; Li, Long
通讯作者	Michalski, JR
来源期刊	GEOMORPHOLOGY
ISSN	0169-555X
EISSN	1872-695X
出版年	2022
卷号	398
英文摘要	Morphological features on slope areas of Mars (such as gullies, slope streaks, and recurring slope lineae) are intriguing because they are the reflection of the mineralogy, climate, and atmosphere. However, the debate as to whether martian slope features represent dry and wet formation mechanisms remains ongoing. Finding more dry and wet terrestrial analogs is one of the means to increase our understanding of these features. On the slope areas in the Yingxiong Range, the western Qaidam Basin, we observed slope streaks and surrounding features, including gullies, debris flows, and white patches. These slope streaks are light-toned, ranging from tens of meters to more than one hundred meters long, located on the slopes less than 20 degrees. The slope streaks at one study site were observed to disappear in the next year. The morphology of slope streaks and their relations with gullies and debris flows suggest that liquid flow played a role in the formation of slope streaks. According to the analyses of the mineralogical compositions and the particle size distributions of slope streaks, the light tone of the streak features was caused by the fine particle size of the materials carried by liquid flows. The disappearance of slope streaks occurred due to the covering of the coarse-particle materials brought by aeolian processes. The alternation of aqueous and aeolian processes led to the changes of slope streaks. The forming mechanism of slope streaks in the Qaidam Basin is not related to salts or brines, which is different from other terrestrial analogs of martian slope streaks (in Antarctica and Bolivia) reported so far. This new terrestrial analog suggests that both wet and dry processes get involved in the formation of slope streaks.(c) 2021 Elsevier B.V. All rights reserved.
英文关键词	Slope streaks Qaidam Basin Arid-zone geomorphology Mars surface
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000772951800003
WOS关键词	TIBETAN PLATEAU ; NW CHINA ; TERRESTRIAL ANALOG ; EVOLUTION ; HISTORY ; VALLEY ; PLAYA ; WATER ; DUST
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Physical Geography ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/392944
推荐引用方式 GB/T 7714	Cheng, Rui-Lin,He, Hongping,Michalski, Joseph R.,et al. Slope streaks in the Yingxiong Range, the western Qaidam Basin and implications for Mars[J],2022,398.
APA	Cheng, Rui-Lin,He, Hongping,Michalski, Joseph R.,Li, Yi-Liang,&Li, Long.(2022).Slope streaks in the Yingxiong Range, the western Qaidam Basin and implications for Mars.GEOMORPHOLOGY,398.
MLA	Cheng, Rui-Lin,et al."Slope streaks in the Yingxiong Range, the western Qaidam Basin and implications for Mars".GEOMORPHOLOGY 398(2022).