Quincey, P G; Butterfield, D M; Green, D*; Fuller, G W* (2011) Black smoke and black carbon: further investigation of the relationship between these ambient air metrics. Atmos. Environ., 45 (21). pp. 3528-3534.

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Abstract

A previous paper (Quincey, 2007) described a simple quadratic relationship between OECD Black Smoke Index and Black Carbon (aethalometry) measurements of ambient particulate samples, based on their common link to optical absorption coefficient, supported by a single data set. Further parallel data sets are presented here that support the general validity of the relationship, while highlighting limitations to the traditional Black Smoke method at kerbside sites, and variations between sites Specifically, the previously reported relationship between OECD Black Smoke (IBS) and aethalometer Black Carbon (CBC) is modified by a dimensionless parameter ß such that IBS = 0.239 CBC2/ ß2 + 3.69 CBC/ß, where ß is within the range 0.8 to 1.2. The opportunity is taken to clarify some confusing aspects concerning published standard methods for Black Smoke.

Item Type:	Article
Keywords:	Black Smoke, Black Carbon, air pollution, soot, air quality
Subjects:	Environmental Measurement Environmental Measurement > Air Quality and Airborne Particulates
Identification number/DOI:	10.1016/j.atmosenv.2011.04.009
Last Modified:	02 Feb 2018 13:14
URI:	http://eprintspublications.npl.co.uk/id/eprint/5226

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