Arid
DOI10.1007/s11069-021-04996-z
Dust pollution caused by an extreme Santa Ana wind event
Alvarez, Christian A.; Carbajal, Noel; Pineda-Martinez, Luis F.
Corresponding AuthorAlvarez, CA (corresponding author), Inst Potosino Invest Cient & Tecnol AC, Div Geociencias Aplicadas, 2055 Camino Presa San Jose, San Luis Potosi 78216, San Luis Potosi, Mexico.
JournalNATURAL HAZARDS
ISSN0921-030X
EISSN1573-0840
Year Published2021-08
Abstract in EnglishIn arid and semiarid regions from the southwestern USA and vast areas of northwestern Mexico, Santa Ana wind events modify the environment with high temperatures, very low humidity, and dust storms representing a recurrent phenomenon that triggers asthma and other respiratory diseases. While research has emphasized Santa Ana wind effects on the USA side, northwestern Mexico has been less investigated. Numerical modeling of a severe dust storm in November 2018, applying the Weather Research and Forecasting model coupled with a chemistry module (WRF-Chem), revealed that erosion, transport, and dust storms extend along the peninsula and the Gulf of California. Santa Ana winds eroded large areas, transported desert conditions to urban zones, causing high dust concentrations and reducing the relative humidity below 10%, deteriorating climatic conditions favorable to wellness. In Tijuana, Mexicali, Ensenada, San Diego, and Los Angeles, PM10 and PM2.5 concentrations (particle matter with diameter below 10 mu m and 2.5 mu m) reached values over 2000 mu g/m3 for PM10, with daily mean concentrations well above national standards, leading to poor air quality and representing a health threat even in short-term exposure. This Santa Ana event transported dust particles several hundreds of kilometers over urban areas, the Gulf of California, and the Pacific Ocean. Severe soil deterioration was simulated within the study area, reaching dust emissions above 700,000 t, including croplands from the northern part of Baja California and Sonora's coastal area.
Keyword in EnglishSanta Ana winds Dust pollution WRF-Chem modeling Urban air quality
SubtypeArticle ; Early Access
Language英语
Indexed BySCI-E
WOS IDWOS:000691656600002
WOS KeywordBAJA-CALIFORNIA ; MOJAVE DESERT ; HEALTH ; STORMS ; ADMISSIONS ; EMISSIONS ; WILDFIRES ; IMPACT ; MODEL
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS Research AreaGeology ; Meteorology & Atmospheric Sciences ; Water Resources
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/364214
Affiliation[Alvarez, Christian A.; Carbajal, Noel] Inst Potosino Invest Cient & Tecnol AC, Div Geociencias Aplicadas, 2055 Camino Presa San Jose, San Luis Potosi 78216, San Luis Potosi, Mexico; [Pineda-Martinez, Luis F.] Univ Autonoma Zacatecas, Unidad Ciencias Sociales, 108 Calzada Univ, Zacatecas 98066, Zacatecas, Mexico
Recommended Citation
GB/T 7714
Alvarez, Christian A.,Carbajal, Noel,Pineda-Martinez, Luis F.. Dust pollution caused by an extreme Santa Ana wind event[J],2021.
APA Alvarez, Christian A.,Carbajal, Noel,&Pineda-Martinez, Luis F..(2021).Dust pollution caused by an extreme Santa Ana wind event.NATURAL HAZARDS.
MLA Alvarez, Christian A.,et al."Dust pollution caused by an extreme Santa Ana wind event".NATURAL HAZARDS (2021).
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