Differences between weekend and weekday ozone levels over rural and urban sites in Southern Italy (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Differences between weekend and weekday ozone levels over rural and urban sites in Southern Italy (Articolo in rivista) (literal)

Anno

• 2009-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1007/s10661-008-0501-5 (literal)

Alternative label

• Schipa I, Tanzarella A., Mangia C. (2009)
  Differences between weekend and weekday ozone levels over rural and urban sites in Southern Italy
  in Environmental monitoring and assessment (Print); Springer, Dordrecht (Paesi Bassi)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Schipa I, Tanzarella A., Mangia C. (literal)

Pagina inizio

• 509 (literal)

Pagina fine

• 523 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://www.springerlink.com/content/7532u41687041k58/fulltext.pdf (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 156 (literal)

Rivista

• Environmental monitoring and assessment (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 1-4 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• ISAc CNR (literal)

Titolo

• Differences between weekend and weekday ozone levels over rural and urban sites in Southern Italy (literal)

Abstract

• Air quality data from a network of 11 monitoring stations in the Apulia region of southern Italy during the summer of 2005 reveal a high frequency of ozone law limit violations. Since ozone is a secondary pollutant, air quality control strategies aimed at reducing ozone concentration are not immediate. Herein, we analyse weekly changes in concentration levels of ozone (O3), nitrogen oxides (NOx), carbon monoxide (CO), and volatile organic compounds (VOCs), and evaluate how the differences in primary emissions cause changes in the production of ozone. The comparison between weekend and weekday levels of O3 and its precursors are direct evidence for the existence of the \"ozone weekend effect.\" This effect was observed at all stations with a considerable variation in the overall ozone magnitude, including both traffic stations and nontraffic stations. Data from VOC measurements at traffic stations primarily indicated elevated levels of benzene, toluene, and xylenes (BTX); all of these substances showed an overall decrease over the weekend. A single station indicated levels of non-methane hydrocarbon (NMHC) and PM10, both of which did not demonstrate any weekly cycle. Analysis of weekly and diurnal cycles of O3, NOx, CO, NMHC, and PM10 indicates that higher weekend ozone levels result from a reduction in the emission of nitrogen oxides on weekends in VOC-sensitive regimes. This indicates that a reduction in VOC and NOx levels would be more effective than NOx reduction alone. Our results underscore the need for improved and more ef- ficient VOC measurements. (literal)

Editore

• Springer (Editore)

Prodotto di

• Processi di trasporto turbolento e dispersione in atmosfera per la qualità dell'aria e il clima: teoria e modellistica (TA.P05.018.001) (Modulo)
• Institute of atmospheric sciences and climate (ISAC) (Istituto)

Autore CNR

• CRISTINA MANGIA (Persona)

Incoming links:

Prodotto

• Institute of atmospheric sciences and climate (ISAC) (Istituto)
• Processi di trasporto turbolento e dispersione in atmosfera per la qualità dell'aria e il clima: teoria e modellistica (TA.P05.018.001) (Modulo)

Autore CNR di

• CRISTINA MANGIA (Persona)

Editore di

• Springer (Editore)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Environmental monitoring and assessment (Rivista)