Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols

Huang, Lin; Zhang, Wendy; Santos, Guaciara M.; Rodríguez, Blanca T.; Holden, Sandra R.; Vetro, Vincent; Czimczik, Claudia I.

doi:https://doi.org/10.5194/amt-14-3481-2021

Articles | Volume 14, issue 5

https://doi.org/10.5194/amt-14-3481-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-14-3481-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 5

Research article

|

17 May 2021

Research article |

| 17 May 2021

Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols

Lin Huang, Wendy Zhang, Guaciara M. Santos, Blanca T. Rodríguez, Sandra R. Holden, Vincent Vetro, and Claudia I. Czimczik

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Final revised paper (published on 17 May 2021)
Supplement to the final revised paper
Preprint (discussion started on 04 Aug 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'My review', Anonymous Referee #1, 04 Sep 2020
- AC1: 'Reply on RC1', Lin Huang, 28 Jan 2021
RC2: 'Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols', Anonymous Referee #3, 18 Nov 2020
- AC2: 'Reply on RC2_by Lin Huang et al', Lin Huang, 28 Jan 2021

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Lin Huang on behalf of the Authors (22 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (23 Feb 2021) by Pierre Herckes

AR by Lin Huang on behalf of the Authors (27 Feb 2021) Manuscript

Short summary

Radiocarbon (¹⁴C)-based source apportionment of aerosol carbon fractions requires the physical separation of OC from EC and minimizing of the incorporation of extraneous carbon. Using pure and mixed reference materials ranging in age from modern to fossil, we show that the ECT9 protocol effectively isolates OC and EC. This work expands existing opportunities for characterizing and monitoring sources of carbonaceous aerosols, including µg C-sized samples from the Arctic.