6 documents found, page 1 of 1
One-year study of airborne sugar compounds: cross-interpretation with other che...
Oduber, F.; Calvo, A.I.; Castro, A.; Alves, C.; Blanco-Alegre, C.; Fernández-González, D.; Barata, J.; Calzolai, G.; Nava, S.; Lucarelli, F.; Nunes, T.The daily evolution of seventeen sugar compounds (seven saccharides, seven alcohol-saccharides and three anhydrosaccharides) in atmospheric aerosol samples collected between 9 March 2016 and 14 March 2017 was studied in León (Spain). The main links between the concentration of sugar compounds and various chemical species, pollen, fungal spores and meteorological conditions were investigated. The results showed ...
Source apportionment of PM2.5 and PM10 by Ionic and Mass Balance (IMB) in a tra...
Pio, C.; Alves, C.; Nunes, T.; Cerqueira, M.; Lucarelli, F.; Nava, S.; Calzolai, G.; Gianelle, V.; Colombi, C.; Amato, F.; Karanasiou, A.; Querol, X.The recently developed Ion and Mass Balance (IMB) source apportionment methodology was applied to a traffic influenced urban aerosol, permitting the quantification of the contributions of 11 source components, or formation processes, which accounted for more than 96% of the measured aerosol mass loading. Main sources included exhaust and non-exhaust road vehicle emissions, biomass burning, secondary inorganic a...
Evaluation of receptor and chemical transport models for PM10 source apportionment
Belis, C.A.; Pernigotti, D.; Pirovano, G.; Favez, O.; Jaffrezo, J.L.; Kuenen, J.; Denier van Der Gon, H.; Reizer, M.; Riffault, V.; Alleman, L.Y.In this study, the performance of two types of source apportionment models was evaluated by assessing the results provided by 40 different groups in the framework of an intercomparison organised by FAIRMODE WG3 (Forum for air quality modelling in Europe, Working Group 3). The evaluation was based on two performance indicators: z-scores and the root mean square error weighted by the reference uncertainty (RMSEu)...
Unusual winter Saharan dust intrusions at Northwest Spain: air quality, radiati...
Oduber, F.; Calvo, A. I.; Blanco-Alegre, C.; Castro, A.; Nunes, T.; Alves, C.; Sorribas, M.; Fernández-González, D.; Vega-Maray, A. M.Saharan air masses can transport high amounts of mineral dust particles and biological material to the Iberian Peninsula. During winter, this kind of events is not very frequent and usually does not reach the northwest of the Peninsula. However, between 21 and 22 February 2016 and between 22 and 23 February 2017, two exceptional events were registered in León (Spain), which severely affected air quality. An int...
Rhipicephalus sanguineus (Latreille, 1806): Neotype designation, morphological ...
Nava, S.; Beati, L.; Venzal, J. M.; Labruna, M. B.; Szabó, P. J.; Petney, T.; Saracho-Bottero, M. N.; Tarragona, E. L.; Dantas-Torres, F.The aims of this work were to re-describe all parasitic stages of Rhipicephalus sanguineus sensu stricto, to select and deposit a neotype, and to characterize some of its diagnostic molecular traits. A male of R. sanguineus s.s. collected in Montpellier, France, was designated as neotype. The diagnostic characters unique to the male of R. sanguineus s.s. are: spiracular plate elongated and subtriangular in shap...
The role of PIXE in the AIRUSE project “testing and development of air quality ...
Lucarelli, F.; Chiari, M.; Calzolai, G.; Giannoni, M.; Nava, S.; Udisti, R.; Severi, M.; Querol, X.; Amato, F.; Alves, C.; Eleftheriadis, K.The European AIRUSE LIFE+ project aims at testing existing and future mitigation measures and developing new strategies for the improvement of air quality in Southern European countries. The project involves public and private institutions of Spain, UK, Portugal, Italy and Greece. PM10 and PM2.5 daily samplings have been scheduled for one year (from January 2013) in four urban sites, Barcelona (Spain), Porto (P...