Spring and summer contrast in new particle formation over nine forest areas in North America

Yu, F.; Luo, G.; Pryor, S. C.; Pillai, P. R.; Lee, S. H.; Ortega, J.; Schwab, J. J.; Hallar, A. G.; Leaitch, W. R.; Aneja, V. P.; Smith, J. N.; Walker, J. T.; Hogrefe, O.; Demerjian, K. L.

doi:https://doi.org/10.5194/acp-15-13993-2015

Articles | Volume 15, issue 24

https://doi.org/10.5194/acp-15-13993-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-13993-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 24

Research article

|

18 Dec 2015

Research article |

| 18 Dec 2015

Spring and summer contrast in new particle formation over nine forest areas in North America

F. Yu, G. Luo, S. C. Pryor, P. R. Pillai, S. H. Lee, J. Ortega, J. J. Schwab, A. G. Hallar, W. R. Leaitch, V. P. Aneja, J. N. Smith, J. T. Walker, O. Hogrefe, and K. L. Demerjian

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Interactive discussion

Status: closed

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

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RC C7483: 'Referee comment', Anonymous Referee #1, 01 Oct 2015
- AC C9691: 'Reply to referee #1', Fangqun Yu, 24 Nov 2015
RC C7885: 'Review of Yu et al 2015', Anonymous Referee #3, 13 Oct 2015
- AC C9692: 'Reply to referee #3', Fangqun Yu, 24 Nov 2015

Peer-review completion

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

AR by Fangqun Yu on behalf of the Authors (24 Nov 2015) Author's response Manuscript

ED: Publish as is (24 Nov 2015) by Veli-Matti Kerminen

AR by Fangqun Yu on behalf of the Authors (04 Dec 2015)

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Short summary

The role of low-volatility organics in new particle formation (NPF) in the atmosphere is assessed. An empirical formulation in which formation rate is a function of the concentrations of sulfuric acid and low-volatility organics significantly overpredicts NPF in the summer. Two different schemes predict quite different nucleation rates (including their spatial patterns), concentrations of cloud condensation nuclei, and aerosol first indirect radiative forcing in North America.