Arid
DOI10.1016/j.atmosenv.2015.04.054
Chemical comparison of dust and soil from the Sevier Dry Lake, UT, USA
Hahnenberger, Maura1; Perry, Kevin D.2
通讯作者Hahnenberger, Maura
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2015
卷号113页码:90-97
英文摘要

Composition of dust transported locally, regionally, and globally has influences on human health, ecosystem functioning, and biogeochemical cycling. This study aimed to characterize differences between dust and soil samples at a dust source in the eastern Great Basin of Utah, USA. Dust and soil samples were collected from the Sevier Dry Lake, a known dust producing playa in this region. Samples were resuspended in the laboratory and collected using an 8-stage Davis Rotating-drum Universal-sizecut Monitoring (DRUM) impactor. Collected samples were analyzed for elemental concentration using Synchrotron X-Ray Fluorescence (SXRF). Element concentration was normalized and analyzed for enrichment relative to major soil element Al. Dust and soil samples contain similar enrichments of major soil elements including Si, Fe, Ca, K, Mg, and Ti. However, dust samples were significantly more enriched in Na derived from the surface salts of the Sevier Dry Lake. Minor soil elements (all elements analyzed apart from the major soil elements) were generally more enriched in dust samples and had larger enrichment values (up to 10(4)) than seen in previous studies. Further, for dust and soil samples, the fine fraction (<2.5 mu m) was more enriched in minor soil elements than the coarse fraction (2.5-10 mu m). Dust from this source, containing elevated levels of potentially hazardous elements, degrades air quality in the Salt Lake City metropolitan area of Utah and is deposited in the alpine ecosystems of the Wasatch Mountains. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Dust composition Soil composition Dust storms Playa Particulate matter Utah
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000356547400010
WOS关键词DESERT DUST ; GREAT-BASIN ; BIOGEOCHEMISTRY ; GENERATION ; DEPOSITION ; SIZE
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186084
作者单位1.Salt Lake Community Coll, Dept Geosci, Salt Lake City, UT 84123 USA;
2.Univ Utah, Dept Atmospher Sci, Salt Lake City, UT 84112 USA
推荐引用方式
GB/T 7714
Hahnenberger, Maura,Perry, Kevin D.. Chemical comparison of dust and soil from the Sevier Dry Lake, UT, USA[J],2015,113:90-97.
APA Hahnenberger, Maura,&Perry, Kevin D..(2015).Chemical comparison of dust and soil from the Sevier Dry Lake, UT, USA.ATMOSPHERIC ENVIRONMENT,113,90-97.
MLA Hahnenberger, Maura,et al."Chemical comparison of dust and soil from the Sevier Dry Lake, UT, USA".ATMOSPHERIC ENVIRONMENT 113(2015):90-97.
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