Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/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
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ISSN | 1352-2310 |
EISSN | 1873-2844 |
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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