Elemental and molecular evidence of soot- and char-derived black carbon inputs to New York City's atmosphere during the 20th century.

Abstract

Soot black carbon (here expressed as GBC) is present in sediments of Central Park and Prospect Park Lakes, New York City (NYC), and peaks in the middle of the 20th Century at the highest values (1-3% dry weight) ever reported in urban lakes. During that period (approximately 1940-1970), the GBC represents up to 28% of the total organic carbon (OC… (More)

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4 Figures and Tables