Impacts of Desert Dust Outbreaks on Air Quality in Urban Areas
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Air-Quality and Meteorological Observations
2.3. Marine Boundary Layer Height Determination
2.4. Determination of Desert Dust Outbreaks
3. Results and Discussion
3.1. PM and PM Concentrations
3.2. Seasonal Variation of Desert Dust Outbreaks, PM Concentrations, and BLH in the Study Area
3.3. Thinning of Marine Boundary Layer
3.4. Increase of Particulate and Gaseous Pollutants during Dust Outbreaks
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Appendix A
Site | Annual Rainfall (mm) | Winter (December–March) Rainfall (mm) | Summer (July–August) Rainfall (mm) |
---|---|---|---|
Santa Cruz | 226 | 148 | 2 |
Barcelona | 588 | 148 | 83 |
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Statistic | Non-Dust Days | Moderate Dust Days | Intense Dust Days | |||
---|---|---|---|---|---|---|
BLH (m) | Obs | Model | Obs | Model | Obs | Model |
Mean (m) | 937 (380) | 962 (294) | 822 (390) | 805 (357) | 703 (375) | 673 (280) |
Median (m) | 894 | 952 | 794 | 760 | 681 | 636 |
n | 359 | 375 | 243 | 254 | 77 | 82 |
Statistic | Non-Dust Days | Moderate Dust Days | Intense Dust Days | |||
---|---|---|---|---|---|---|
BLH | Obs | Model | Obs | Model | Obs | Model |
Mean (m) | 773 (270) | 727 (178) | 533 (201) | 566 (181) | 414 (152) | 368 (131) |
Median (m) | 735 | 721 | 496 | 563 | 401 | 365 |
n | 170 | 174 | 134 | 135 | 61 | 61 |
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Milford, C.; Cuevas, E.; Marrero, C.L.; Bustos, J.J.; Gallo, V.; Rodríguez, S.; Romero-Campos, P.M.; Torres, C. Impacts of Desert Dust Outbreaks on Air Quality in Urban Areas. Atmosphere 2020, 11, 23. https://doi.org/10.3390/atmos11010023
Milford C, Cuevas E, Marrero CL, Bustos JJ, Gallo V, Rodríguez S, Romero-Campos PM, Torres C. Impacts of Desert Dust Outbreaks on Air Quality in Urban Areas. Atmosphere. 2020; 11(1):23. https://doi.org/10.3390/atmos11010023
Chicago/Turabian StyleMilford, Celia, Emilio Cuevas, Carlos L. Marrero, J.J. Bustos, Víctor Gallo, Sergio Rodríguez, Pedro M. Romero-Campos, and Carlos Torres. 2020. "Impacts of Desert Dust Outbreaks on Air Quality in Urban Areas" Atmosphere 11, no. 1: 23. https://doi.org/10.3390/atmos11010023
APA StyleMilford, C., Cuevas, E., Marrero, C. L., Bustos, J. J., Gallo, V., Rodríguez, S., Romero-Campos, P. M., & Torres, C. (2020). Impacts of Desert Dust Outbreaks on Air Quality in Urban Areas. Atmosphere, 11(1), 23. https://doi.org/10.3390/atmos11010023