Articles | Volume 16, issue 8
https://doi.org/10.5194/acp-16-5453-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-5453-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Determination of primary combustion source organic carbon-to-elemental carbon (OC / EC) ratio using ambient OC and EC measurements: secondary OC-EC correlation minimization method
Division of Environment, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, China
Division of Environment, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, China
Atmospheric Research Centre, Fok Ying Tung Graduate School, Hong Kong
University of Science and Technology, Nansha, China
Department of Chemistry, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, China
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Discussed (final revised paper)
Latest update: 23 Nov 2024
Short summary
Elemental carbon (EC) has been widely used as a tracer to estimate secondary organic carbon (SOC) from ambient EC and OC data. Key to the EC tracer method is to determine a proper primary OC / EC ratio at the observation site. We examine here a method that derives this ratio by seeking the minimum correlation between SOC and EC. This method has a clear quantitative criterion for the ratio derivation and is demonstrated to have superior accuracy over the commonly used approaches for SOC estimation.
Elemental carbon (EC) has been widely used as a tracer to estimate secondary organic carbon...
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