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dc.creatorAgudelo-Castañeda, Dayana Milena
dc.creatorDe Paoli, Fabrício
dc.creatorMendoza Hernandez, Martha
dc.creatorParody, Alexander
dc.creatorMaturana, Aymer
dc.creatorCalesso Teixeira, Elba
dc.description.abstractNO2 ambient concentrations were measured in a coastal Caribbean city. Barranquilla is a Caribbean city located in the North of Colombia that has approximately 1.200.000 inhabitants and possesses a warm, humid climate. In order to obtain the concentration of the contaminant in an adequate resolution, 137 passive diffusion tubes from Gradko© were installed. Diffusion passive tubes prepared with 20% TEA/water were located at the roadside between 1 and 5 m from the kerb edge. The sampling period was two weeks, from 3/16/2019 to 3/30/2019. Samples were analyzed on the UV CARY1 spectrophotometer by Gradko©. Results showed an average of 19.92 ±11.50 µg/m3 , with a maximum and minimum value of 70.27 and 0.57 µg/m3 , respectively. Spatial NO2 correlation with low traffic load was higher than with maximum traffic. The expected results include analyzing the areas of the city with high concentrations of this pollutant that exceed the WHO guidelines in six (6) points. Overall, the multiregression analysis is a very effective method to enrich the understanding of NO2 distributions. It can provide scientific evidence for the relationship between NO2 and traffic, beneficial for developing the targeted policies and measures to reduce NO2 pollution levels in hot spots. This research may subsidize knowledge to serve as a tool for environmental and health
dc.publisherUniversidad de la Costaspa
dc.rightsCC0 1.0 Universal*
dc.subjectSpatial variabilityspa
dc.subjectRegression modelspa
dc.titleAssessment of the NO2 distribution and relationship with traffic load in the Caribbean coastal cityspa
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