Arid
DOI10.1016/j.aeolia.2014.10.001
Regional transport of a chemically distinctive dust: Gypsum from White Sands, New Mexico (USA)
White, Warren H.1; Hyslop, Nicole P.1; Trzepla, Krystyna1; Yatkin, Sinan1; Rarig, Randy S., Jr.2; Gill, Thomas E.3; Jin, Lixin3
通讯作者White, Warren H.
来源期刊AEOLIAN RESEARCH
ISSN1875-9637
EISSN2212-1684
出版年2015
卷号16页码:1-10
英文摘要

The White Sands complex, a National Monument and adjoining Missile Range in southern New Mexico, occupies the dry bed of an ice-age lake where an active gypsum dunefield abuts erodible playa sediments. Aerosols entrained from White Sands are sometimes visible on satellite images as distinct, light-colored plumes crossing the Sacramento Mountains to the east and northeast. The IMPROVE network (Interagency Monitoring of PROtected Visual Environments) operates long-term aerosol samplers at two sites east of the Sacramento range. In recent years a spring pulse of sulfate aerosol has appeared at these sites, eclipsing the regional summer peak resulting from atmospheric reactions of sulfur dioxide emissions. A significant fraction of this spring sulfate is contributed by gypsum and other salts from White Sands, with much of the sulfur in coarse particles and concentrations of calcium and strontium above regional levels. The increase in these gypsiferous species coincides with a drought following a period of above-average precipitation. White Sands and the IMPROVE samplers together provide a natural laboratory: a climatically sensitive dust source that is both well characterized and chemically distinct from its surroundings, with a signature that remains identifiable at long-term observatories 100-200 km downwind. (C) 2014 The Authors. Published by Elsevier B.V.


英文关键词White Sands Aerosols Geogenic sulfate Strontium Gypsum
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000351648200002
WOS关键词SIZE DISTRIBUTION ; DUNE FIELD ; SEA-SALT ; AEROSOLS ; STRONTIUM ; GEOCHEMISTRY ; DESERT ; PLAYA ; BASIN ; UNCERTAINTY
WOS类目Geography, Physical
WOS研究方向Physical Geography
来源机构University of California, Davis
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/185478
作者单位1.Univ Calif Davis, Crocker Nucl Lab, Davis, CA 95616 USA;
2.PANalytical Inc, Westborough, MA USA;
3.Univ Texas El Paso, Dept Geol Sci, El Paso, TX 79968 USA
推荐引用方式
GB/T 7714
White, Warren H.,Hyslop, Nicole P.,Trzepla, Krystyna,et al. Regional transport of a chemically distinctive dust: Gypsum from White Sands, New Mexico (USA)[J]. University of California, Davis,2015,16:1-10.
APA White, Warren H..,Hyslop, Nicole P..,Trzepla, Krystyna.,Yatkin, Sinan.,Rarig, Randy S., Jr..,...&Jin, Lixin.(2015).Regional transport of a chemically distinctive dust: Gypsum from White Sands, New Mexico (USA).AEOLIAN RESEARCH,16,1-10.
MLA White, Warren H.,et al."Regional transport of a chemically distinctive dust: Gypsum from White Sands, New Mexico (USA)".AEOLIAN RESEARCH 16(2015):1-10.
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