干旱区生态环境知识资源中心(Arid): High-resolution portable-OSL analysis of Vegetated Linear Dune construction in the margins of the northwestern Negev dunefield (Israel) during the late Quaternary

Arid

DOI	10.1016/j.aeolia.2021.100680
	High-resolution portable-OSL analysis of Vegetated Linear Dune construction in the margins of the northwestern Negev dunefield (Israel) during the late Quaternary
	Robins, Lotem; Greenbaum, Noam; Yu, LuPeng; Bookman, Revital; Roskin, Joel
通讯作者	Robins, L (corresponding author), Univ Haifa, Leon Recanati Inst Maritime Studies, Geomorphol & Portable Luminescence Lab, Abba Hushi Ave 199, IL-3498838 Haifa, Israel. ; Robins, L (corresponding author), Univ Haifa, Dept Geog & Environm Studies, Abba Hushi Ave 199, IL-3498838 Haifa, Israel.
来源期刊	AEOLIAN RESEARCH
ISSN	1875-9637
EISSN	2212-1684
出版年	2021
卷号	50
英文摘要	Vegetated Linear Dunes (VLDs) are elongated dunes whose construction is controlled by vegetation and wind. Common in southern hemisphere drylands, they were mainly active in the late Pleistocene. VLDs vertically accumulate sand during elongation episodes and their internal stratigraphy thus serves as a proxy for major periods of strong winds. However, the framework of VLD buildup and elongation is constrained by low-resolution luminescence chronology. To overcome this gap this study applies high-resolution Portable Optically Stimulated Luminescence (POSL) profiling coupled with OSL dating and sedimentology of an exposed VLD section, combined with successive sections along a fluvially truncated downwind elongation trace of the dune at the margin of the stabilized northwestern Negev dunefield, Israel. POSL profiling of the VLD section revealed three statistically distinct stratigraphic units. Winnowing of very fine sand and silt grains can explain a higher ratio between quartz and heavy minerals in the upper VLD unit. This winnowing decreased dose rates and, consequently, reduced bulk POSL luminescence signals and De values in the upper unit. The two upper units of the VLD section date to the Younger Dryas while the basal unit dates to the Heinrich-1 event. OSL ages at the lower unit and at the section bases along the downwind elongation trace of the dune indicate initial elongation during the Heinrich-1 event, and even prior. The study demonstrates that beyond delineating accumulation stages and assigning stratigraphic units, POSL is a sensitive sensor of sedimentological and mineralogical differences within a dune profile, enabling correlation with OSL measurements.
英文关键词	Vegetated Linear Dunes (VLDs) Portable Optically Stimulated Luminescence (POSL) Dune construction Late Quaternary Dunefield margins Aeolian-fluvial interactions
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000647796000003
WOS关键词	GROUND-PENETRATING RADAR ; RAPID AGE ASSESSMENT ; SAND DUNES ; SOUTHWEST KALAHARI ; LUMINESCENCE ; DESERT ; ACCUMULATION ; EVOLUTION ; SINGLE ; SYSTEM
WOS类目	Geography, Physical
WOS研究方向	Physical Geography
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349296
作者单位	[Robins, Lotem; Roskin, Joel] Univ Haifa, Leon Recanati Inst Maritime Studies, Geomorphol & Portable Luminescence Lab, Abba Hushi Ave 199, IL-3498838 Haifa, Israel; [Robins, Lotem; Greenbaum, Noam] Univ Haifa, Dept Geog & Environm Studies, Abba Hushi Ave 199, IL-3498838 Haifa, Israel; [Yu, LuPeng] Linyi Univ, Sch Resources & Environm Sci, Luminescence Lab, Linyi, Shandong, Peoples R China; [Bookman, Revital] Univ Haifa, Charney Sch Marine Sci, Dr Strauss Dept Marine Geosci, Haifa, Israel; [Roskin, Joel] Israel Antiqu Author, Analyt Lab, Artifacts Treatment Conservat & Labs Dept, Jerusalem, Israel; [Robins, Lotem] Hamayaanot 2, IL-1790600 Shimshit, Israel
推荐引用方式 GB/T 7714	Robins, Lotem,Greenbaum, Noam,Yu, LuPeng,et al. High-resolution portable-OSL analysis of Vegetated Linear Dune construction in the margins of the northwestern Negev dunefield (Israel) during the late Quaternary[J],2021,50.
APA	Robins, Lotem,Greenbaum, Noam,Yu, LuPeng,Bookman, Revital,&Roskin, Joel.(2021).High-resolution portable-OSL analysis of Vegetated Linear Dune construction in the margins of the northwestern Negev dunefield (Israel) during the late Quaternary.AEOLIAN RESEARCH,50.
MLA	Robins, Lotem,et al."High-resolution portable-OSL analysis of Vegetated Linear Dune construction in the margins of the northwestern Negev dunefield (Israel) during the late Quaternary".AEOLIAN RESEARCH 50(2021).