a2dceccc-0a1f-4ce4-8740-0c913a59e1f2 eng Ev-K2-CNR +39 035 3230511 +39 035 3230551 Via San Bernardino 145 Bergamo BG 24126 Italy metadata@evk2cnr.org http://www.evk2cnr.org/ 2012-03-05T16:11:45 ISO 19115:2003/19139 1.0 Deposition of atmospheric nitrous acid on alkaline snow surfaces 2005-05-20T00:00:00 GEOPHYSICAL RESEARCH LETTERS, VOL. 32, L10808, 4 PP., 2005 GEOPHYSICAL RESEARCH LETTERS, VOL. 32, 2005 0094–8276 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 on 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-1 of 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. Paolo Bonasoni Institute of Atmospheric Sciences and Climate (ISAC) - CNR +39 0516399590 +39 0516399652 Via Gobetti 101 Bologna BO 40129 Italy p.bonasoni@isac.cnr.it www.isac.cnr.it Paolo Cristofanelli Institute of Atmospheric Sciences and Climate (ISAC) - CNR +39 0516399597 +39 0516399652 Via Gobetti,101 Bologna BO 40129 Italy p.cristofanelli@isac.cnr.it www.isac.cnr.it H. J. Beine CNR - Institute of Atmospheric Pollution Research +39 0690672262 +39 0690672660 V. Salaria Km 29,300, Monterotondo ROMA 00015 Italy harry@iia.mlib.cnr.it http://ntserver.iia.cnr.it/iian/e_personal.htm WWW:LINK-1.0-http--partners Antonio Amoroso CNR - Institute of Atmospheric Pollution Research +39 0984493050 +39 0984 493215 c/o: UNICAL-Polifunzionale Rende CS 87036 Italy a.amoroso@cs.iia.cnr.it anto.amoroso@gmail.com http://www.iia.cnr.it/index.php?option=com_content&view=article&id=192&Itemid=94&lang=en WWW:LINK-1.0-http--related Giulio Esposito CNR - Institute of Atmospheric Pollution Research +39 0690672709 +39 0690672660 V. Salaria Km 29,300, Monterotondo ROMA 00015 Italy esposito@iia.cnr.it http://www.iia.cnr.it/index.php?option=com_content&view=article&id=127&Itemid=93&lang=ita Roberto Sparapani CNR -POLARNET Via Fosso del Cavaliere, 100 Roma 00133 United States of America Roberto.Sparapani@polarnet.cnr.i http://www.polarnet.cnr.it/content/view/1352/1/lang,it/ WWW:LINK-1.0-http--related Antonietta Ianniello CNR - Institute of Atmospheric Pollution Research +39 0690672709 +39 0690672262 +39 0690672660 V. Salaria Km 29,300, Monterotondo ROMA 00015 Italy ianniello@iia.cnr.it http://ntserver.iia.cnr.it/iian/curr.asp?ID=96 WWW:LINK-1.0-http--related Teodoro Georgiadis IBIMET-CNR +39 0516399006 +39 0516399024 Via Gobetti,101 Bologna BO 40129 Italy t.georgiadis@ibimet.cnr.it http://www.ibimet.cnr.it/Staff/georgiadis WWW:LINK-1.0-http--related Marianna Nardino IBIMET-CNR +39 0516399001 +39 0516399024 Via Gobetti,101 Bologna BO 40129 Italy m.nardino@ibimet.cnr.it http://www.ibimet.cnr.it/Staff/nardino Florent Dominé Laboratory of Glaciology and Geophysics of the Environment (LGGE) +33 0476824269 BP 96, 54 rue Molière Saint Martin d'Hères cedex 38402 France florent@lgge.obs.ujf-grenoble.fr http://grosyeti.free.fr/Home.html WWW:LINK-1.0-http--related American Geophysical Union (AGU) +1 2024626900 +1 2023280566 2000 Florida Avenue N.W. Washington, DC 20009 1277 United States of America service@agu.org http://www.agu.org https://geoportal.mountaingenius.org/geonetwork/srv/eng/resources.get?uuid=a2dceccc-0a1f-4ce4-8740-0c913a59e1f2&fname=mountain_witness__s.png thumbnail png SHARE atmospheric nitrous acid Troposphere Global Change Mt. Cimone eng climatologyMeteorologyAtmosphere environment 6.62397 18.5144 36.6492 47.0946 http://www.agu.org/pubs/crossref/2005/2005GL022589.shtml WWW:LINK-1.0-http--link Abstract:"Deposition of atmospheric nitrous acid on alkaline snow surfaces". https://geoportal.mountaingenius.org/webapp/srv/en/resources.get?id=37757&fname=beine05_2005GL022589.pdf&access=private WWW:DOWNLOAD-1.0-http--download beine05_2005GL022589.pdf Full Text(pdf):""Deposition of atmospheric nitrous acid on alkaline snow surfaces". "Deposition of atmospheric nitrous acid on alkaline snow surfaces". GEOPHYSICAL RESEARCH LETTERS, VOL. 32, L10808, doi:10.1029/2005GL022589, 2005. Beine, H.J., Amoroso, A., Esposito, G., Sparapani, R., Ianniello, A., Georgiadis, T., Nardino, M., Bonasoni, P., Cristofanelli, P., Domine', F.