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NO2 fluxes from Tijuana using a mobile mini-DOAS during Cal-Mex 2010

C. Rivera ; H. Barrera ; M. Grutter ; M. Zavala ; Bo Galle (Institutionen för rymd- och geovetenskap, Optisk fjärranalys) ; N. F. Bei ; G. H. Li ; L. T. Molina
Atmospheric Environment (1352-2310). Vol. 70 (2013), p. 532-539.
[Artikel, refereegranskad vetenskaplig]

NO2 fluxes were measured using a mobile mini-DOAS during Cal-Mex 2010 field study, between May 15 and June 30, 2010, from the urban area of Tijuana, Baja California as well as the Rosarito power plant The average calculated NO2 fluxes were 328 +/- 184 (269 +/- 201) g s(-1), and 23.4 +/- 4.9 (12.9 +/- 11.9) g s(-1) for Tijuana urban area and Rosarito power plant, respectively, using model based wind fields and onsite measurements (in parenthesis). Wind speed and wind direction data needed to estimate the fluxes were both modeled and obtained from radiosondes launched regularly during the field campaign, whereas the mixing layer height throughout the entire field campaign was measured using a ceilometer. Large variations in the NO2 fluxes from both the Tijuana urban area and Rosarito power plant were observed during Cal-Mex 2010; however, the variability was less when model based wind fields were used. Qualitative comparisons of modeled and measured plumes from the Tijuana urban area and Rosarito power plant showed good agreement.

Nyckelord: Tijuana, Cal-Mex 2010, Nitrogen dioxide, Fluxes, DOAS



Denna post skapades 2013-05-13. Senast ändrad 2014-09-02.
CPL Pubid: 176796

 

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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Optisk fjärranalys (2010-2017)

Ämnesområden

Atom- och molekylfysik och optik

Chalmers infrastruktur