Ice Nucleation: Sulfate and Its Influence in Arctic and Rural and Urban NW Continental Precipitation

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dc.contributor.advisorNorman, Ann-Lise
dc.contributor.authorDerksen, Mark
dc.contributor.committeememberElse, Brent G. T.
dc.contributor.committeememberHobill, David W.
dc.contributor.committeememberWieser, Michael E.
dc.date2019-11
dc.date.accessioned2019-08-27T14:38:40Z
dc.date.available2019-08-27T14:38:40Z
dc.date.issued2019-08-20
dc.description.abstractWith the growth of urban centers and decline of natural ecosystems, the increasing presence of aerosol particles has the potential to have major impacts on climate. This study assessed the ice nucleation characteristics of anthropogenic and organic/biogenic sulfate sources in precipitation samples from the Arctic, Kananaskis (rural continental), and Calgary (Urban continental). Samples were analyzed using droplet freezing technique, isotopic analysis, and anion/cation measurements. Comparisons between deposition-based precipitation sampler and passive fog/rain sampler yielded no significant differences in ice nucleation characteristics. Arctic fog samples had distinct ice nucleating particle characteristics compared to rain and dry deposition samples. A 32% increase in the influence of biogenic matter was apparent in 2016 Arctic samples relative to 2014 samples. The influence of a continental biogenic and/or organic material was apparent in the ice nucleating characteristics of both rural and urban continental samples. Snow samples exhibited the greatest biogenic influence, followed by rain samples, and then dry deposition samples.en_US
dc.identifier.citationDerksen, M. (2019). Ice Nucleation: Sulfate and Its Influence in Arctic and Rural and Urban NW Continental Precipitation (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/36906
dc.identifier.urihttp://hdl.handle.net/1880/110824
dc.language.isoengen_US
dc.publisher.facultyScienceen_US
dc.publisher.institutionUniversity of Calgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.subjectIce Nucleationen_US
dc.subjectAtmospheric Scienceen_US
dc.subjectAtmospheric Physicsen_US
dc.subjectClimate Changeen_US
dc.subjectArcticen_US
dc.subjectAerosolsen_US
dc.subjectSulfateen_US
dc.subjectCloud Formationen_US
dc.subjectBiogenicen_US
dc.subjectNucleationen_US
dc.subjectClimate Scienceen_US
dc.subjectAtmospheric Chemistryen_US
dc.subject.classificationEducation--Sciencesen_US
dc.subject.classificationAtmospheric Sciencesen_US
dc.subject.classificationEnvironmental Sciencesen_US
dc.subject.classificationPhysicsen_US
dc.subject.classificationAtmospheric Scienceen_US
dc.titleIce Nucleation: Sulfate and Its Influence in Arctic and Rural and Urban NW Continental Precipitationen_US
dc.typemaster thesisen_US
thesis.degree.disciplinePhysics & Astronomyen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameMaster of Science (MSc)en_US
ucalgary.item.requestcopytrueen_US
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