Fine particulate matter source attribution for Southeast Texas using 14C/13C ratios
- 16 November 2002
- journal article
- Published by American Geophysical Union (AGU) in Journal of Geophysical Research: Atmospheres
- Vol. 107 (D22) , ACH 3-1-ACH 3-7
- https://doi.org/10.1029/2002jd002339
Abstract
Radiocarbon analyses of fine particulate matter samples collected during the summer of 2000 in southeast Texas indicate that a substantial fraction of the aerosol carbon at an urban/suburban site (27–73%) and at a rural, forested site (44–77%) was modern carbon. Data from emission inventories and additional ambient measurements indicate that the most likely sources of this modern carbon are biomass burning fires and biogenic secondary organic aerosol.Keywords
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