Source Identification of Size-Segregated Aerosol in Münster, Germany, by Factor Analysis
| العنوان: | Source Identification of Size-Segregated Aerosol in Münster, Germany, by Factor Analysis |
|---|---|
| المؤلفون: | Johanna K. Gietl, Otto Klemm |
| المصدر: | Aerosol Science and Technology. 43:828-837 |
| بيانات النشر: | Informa UK Limited, 2009. |
| سنة النشر: | 2009 |
| مصطلحات موضوعية: | Total organic carbon, Single variable, food.ingredient, Water soluble ions, Ammonium nitrate, Sea salt, Mineralogy, Pollution, Aerosol, chemistry.chemical_compound, Animal science, food, chemistry, Environmental Chemistry, Environmental science, General Materials Science |
| الوصف: | Sources of size-segregated PM 10 , as collected with a five stage Berner type impactor during six intensive measurement campaigns between January 2006 and August 2007 in Munster, NW Germany, were studied by applying factor analysis. PM samples were collected twice a day, each with a sampling duration of 5 to 7.5 hours. Samples were analyzed for water soluble ions, Ca2+, Cl−, Mg2+, Na+, NH+ 4 , NO− 3 , SO2− 4, and elemental and organic carbon. Positive matrix factorization (PMF) was used for source apportionment where each size class accounted for a single variable. Five factors were identified of which at least four could be found during each season. Traffic, ammonium nitrate, and long distance transport showed a weekly cycle, whereas the factor representing power generation and industrial products seemed to be relatively stable through the week. Sea salt particles were independent of the day of week. The five factors do not only have a similar composition, but also a similar size distribution, throughout... |
| تدمد: | 1521-7388 0278-6826 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::73567d1b753750efac4317826e12846eTest https://doi.org/10.1080/02786820902953923Test |
| رقم الانضمام: | edsair.doi...........73567d1b753750efac4317826e12846e |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15217388 02786826 |
|---|