Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2015.07.015 |
Particulate dust emission factors from unpaved roads in the US-Mexico border semi-arid region | |
Kavouras, I. G.1,2; DuBois, D. W.1,3; Nikolich, G.1; Corral Avittia, A. Y.4; Etyemezian, V.1 | |
通讯作者 | Kavouras, I. G. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS |
ISSN | 0140-1963 |
EISSN | 1095-922X |
出版年 | 2016 |
卷号 | 124页码:189-192 |
英文摘要 | Unpaved road dust emissions in El Paso in Texas, Las Cruces in New Mexico and Ciudad Juarez in Mexico were measured using the Testing Re-entrained Aerosol Kinetic Emissions from Roads (TRAKER) system. PM10 (particles with diameter < 10 mu m) emissions factors from unpaved roads in Ciudad Juarez, Mexico increased by a factor of five as compared to those measured in El Paso, TX and Las Cruces, NM. The highest emission factors were observed in spring. A strong exponential dependence of PM10 emissions factors on vehicle speed was observed in Ciudad Juarez, Mexico and El Paso, TX, whereas they remained constant in Las Cruces, NM reflecting differences in soil surface characteristics. The highest PM10 emissions in Las Cruces and Ciudad Juarez originated from the sideline tire, indicating the possible influence of accumulated loose soil and debris on the side of the unpaved roads. Overall, strong spatial and temporal variability of PM10 emission factors were computed in the Paso del Norte region, reflecting differences in road surface and vehicle traffic characteristics and further underscored the need for high spatiotemporal resolution of emission inventories to accurately identify the most susceptible unpaved roads and control their burden on particulate pollution. (C) 2015 Elsevier Ltd. All rights reserved. |
英文关键词 | PM10 Road dust Mineral particles Air pollution Climate |
类型 | Article |
语种 | 英语 |
国家 | USA ; Mexico |
收录类别 | SCI-E |
WOS记录号 | WOS:000364245200022 |
WOS关键词 | VEHICLE ; TRAKER |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | New Mexico State University ; Desert Research Institute |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/194061 |
作者单位 | 1.Desert Res Inst, Las Vegas, NV 89119 USA; 2.Univ Arkansas Med Sci, Little Rock, AR 72205 USA; 3.New Mexico State Univ, Las Cruces, NM 88003 USA; 4.Univ Autonoma Ciudad Juarez, Ciudad Juarez, Mexico |
推荐引用方式 GB/T 7714 | Kavouras, I. G.,DuBois, D. W.,Nikolich, G.,et al. Particulate dust emission factors from unpaved roads in the US-Mexico border semi-arid region[J]. New Mexico State University, Desert Research Institute,2016,124:189-192. |
APA | Kavouras, I. G.,DuBois, D. W.,Nikolich, G.,Corral Avittia, A. Y.,&Etyemezian, V..(2016).Particulate dust emission factors from unpaved roads in the US-Mexico border semi-arid region.JOURNAL OF ARID ENVIRONMENTS,124,189-192. |
MLA | Kavouras, I. G.,et al."Particulate dust emission factors from unpaved roads in the US-Mexico border semi-arid region".JOURNAL OF ARID ENVIRONMENTS 124(2016):189-192. |
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