Deposition of atmospheric nitrous acid on alkaline snow surfaces (Articolo in rivista)

Type
Label
  • Deposition of atmospheric nitrous acid on alkaline snow surfaces (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1029/2005GL022589 (literal)
Alternative label
  • Beine H.J.; Amoroso A.; Esposito G.; Sparapani R.; Ianniello A.; Georgiadis T.; Nardino M.; Bonasoni P.; Cristofanelli P.; Dominé F. (2005)
    Deposition of atmospheric nitrous acid on alkaline snow surfaces
    in Geophysical research letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Beine H.J.; Amoroso A.; Esposito G.; Sparapani R.; Ianniello A.; Georgiadis T.; Nardino M.; Bonasoni P.; Cristofanelli P.; Dominé F. (literal)
Pagina inizio
  • L10808 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 32 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Beine H.J., Amoroso A., Esposito G., Sparapani R., Ianniello A. (CNR-IIA) Georgiadis T., Nardino M. (CNR-IBIMET) Bonasoni P., Cristofanelli P. (CNR-ISAC) (literal)
Titolo
  • Deposition of atmospheric nitrous acid on alkaline snow surfaces (literal)
Abstract
  • The photolysis of atmospheric nitrous acid (HONO) is a significant source of OH radicals in remote and Polar Regions. HONO is produced in/on snow surfaces in a photochemical reaction from nitrate ions. In an attempt to quantify the production of HONO at a snow covered mid-latitude location we made measurements of HONO fluxes for a 10-day period at the Mt. Cimone (MTC) research station in the Italian northern Apennines (2165 m asl) during March 2004. Production fluxes under normal background conditions were small, and reached maximum values of 20 nmol m-2 h-1 only two occasions. However, during a transport event of Saharan dust to MTC we observed deposition fluxes of up to 120 nmol m-2 h-1of HONO on to the snow surface. The deposited Sahara dust had rendered the surface snow alkaline, so that large amounts of acids could be absorbed from the atmosphere. (literal)
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