Wind erosion potential for fugitive dust sources in the Athabasca OilSands Region
Wang,XL(Wang,Xiaoliang)[1,3]; Chow,JC(Chow,Judith C)[1,2,3]; Kohl,SD(Kohl, Steven D)[1]; Yatavelli,LNR(Yatavelli,Laxmi Narasimha R)[1,3]; Percy, KE(Percy, Kevin E)[4]; Legge, AH(Legge, Allan H)[5]; Watson, JG(Watson,John G)[1,2,3]
2015
发表期刊Aeolian Research
卷号18页码:121-134
文章类型期刊论文
摘要This study characterized the generation of windblown dust from various sources in the Athabasca Oil Sands Region (AOSR) in Alberta, Canada. The Portable In-Situ Wind Erosion Laboratory (PI-SWERL) equipped with two real-time dust monitors and nine-channel filter packs was used to simulate wind-driven erosion and measure emissions. Sixty four sites were measured, including oil sands mining facilities, quarry operations, and roadways in the vicinity of Ft. McMurray and Ft. McKay. Key parameters related to windblown dust generation were characterized including: threshold friction velocity, reservoir type, and particle size-segregated emission potential. The threshold wind speed for particle suspension varies from 11 to 21.5 km/h (u10 + ; measured at 10 m above ground level), and saltation occurs at higher speeds of u10 + >32 km/h. All surfaces have limited dust supplies at lower wind speeds of <27 km/h, but have unlimited dust supplies at the highest wind speed tested (56 km/h). Unpaved roads, parking lots, or bare land with high abundances of loose clay and silt materials along with frequent mechanical disturbances are the highest dust emitting surfaces. Paved roads, stabilized or treated (e.g., watered) surfaces with limited loose dust materials are the lowest emitting surfaces. Surface watering proved effective in reducing dust emissions, with potential emission reductions of 50–99%. Surface disturbances by traffic or other activities were found to increase PM10 emission potentials 9–160 times. These data will improve the accuracy of emission inventories, dust dispersion, transport, and source apportionment models, and help design and evaluate dust control strategies.
关键词Fugitive dust Windblown dust Particulate matter PI-SWERL Oil sands Emission potential
DOI10.1016/j.aeolia.2015.07.004
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9642
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA;
2.The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China;
3.Graduate Faculty, University of Nevada, Reno, NV 89503, USA;
4.Wood Buffalo Environmental Association, Fort McMurray, Alberta, Canada;
5.Biosphere Solutions, Calgary, Alberta, Canada
推荐引用方式
GB/T 7714
Wang,XL,Chow,JC,Kohl,SD,et al. Wind erosion potential for fugitive dust sources in the Athabasca OilSands Region[J]. Aeolian Research,2015,18:121-134.
APA Wang,XL.,Chow,JC.,Kohl,SD.,Yatavelli,LNR.,Percy, KE.,...&Watson, JG.(2015).Wind erosion potential for fugitive dust sources in the Athabasca OilSands Region.Aeolian Research,18,121-134.
MLA Wang,XL,et al."Wind erosion potential for fugitive dust sources in the Athabasca OilSands Region".Aeolian Research 18(2015):121-134.
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