Arid
DOI10.1016/j.atmosenv.2011.05.056
Numerical research of extreme wind-induced dust transport in a semi-arid human-impacted region of Mexico
Pineda-Martinez, Luis F.1,3; Carbajal, Noel1; Campos-Ramos, Arturo A.2; Noyola-Medrano, Cristina1; Aragon-Pina, Antonio2
通讯作者Pineda-Martinez, Luis F.
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2011
卷号45期号:27页码:4652-4660
英文摘要

A numerical research is carried out to investigate the regional impact of extreme wind-induced dust transport in the central-northern part of Mexico. In boreal winter, strong wind soil erosion processes occur in the arid zones of the Mexican highlands, as a consequence of land use change and land cover change. The effect of land use change and land cover change has consequences in the atmospheric circulation, by altering the balance in solar radiation, albedo, soil moisture and texture, aerodynamic roughness and other surface properties. The anthropogenic impact of land use change from natural vegetation to agriculture lands developed into land degradation and air quality loss by large dust fluxes into the atmosphere. To investigate the magnitude of these erosion processes, we carried out the numerical modeling of a strong dust storm during the passage of a cold front on 18 March 2008. An algorithm based on the friction velocity was implemented for estimating the flux of particulate matter less than 10 pm (PM10) into the atmosphere. It was possible to show how the plume of high concentration of particulate matter propagates through the complex topography of the highland and of the Eastern Sierra Madre to reach large urban zones in the northern part of Mexico and Southern of Texas. In our numerical simulation we estimated roughly that the fraction of PMK, emitted during this event was of the order of 9162.72 ton. A direct effect of dust particles is appreciated in the reduction of measured solar radiation. (C) 2011 Elsevier Ltd. All rights reserved.


英文关键词Dust storm PM10 Numerical modeling Dust characterization
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000293931100013
WOS关键词LAND-SURFACE ; CLIMATE ; AEROSOLS ; MODEL ; PRECIPITATION ; SENSITIVITY ; CONVECTION ; ATMOSPHERE ; VEGETATION ; BOUNDARY
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/2XILL650/167256
作者单位1.Inst Potosino Invest Cient & Tecnol, AC, San Luis Potosi 78216, Slp, Mexico;
2.Univ Autonoma San Luis Potosi, Inst Met, San Luis Potosi, Mexico;
3.Univ Autonoma Zacatecas, PEIDA, Zacatecas, Mexico
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GB/T 7714
Pineda-Martinez, Luis F.,Carbajal, Noel,Campos-Ramos, Arturo A.,et al. Numerical research of extreme wind-induced dust transport in a semi-arid human-impacted region of Mexico[J],2011,45(27):4652-4660.
APA Pineda-Martinez, Luis F.,Carbajal, Noel,Campos-Ramos, Arturo A.,Noyola-Medrano, Cristina,&Aragon-Pina, Antonio.(2011).Numerical research of extreme wind-induced dust transport in a semi-arid human-impacted region of Mexico.ATMOSPHERIC ENVIRONMENT,45(27),4652-4660.
MLA Pineda-Martinez, Luis F.,et al."Numerical research of extreme wind-induced dust transport in a semi-arid human-impacted region of Mexico".ATMOSPHERIC ENVIRONMENT 45.27(2011):4652-4660.
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