Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a <I>Larix kaempferi</I> forest

Mochizuki, T.; Miyazaki, Y.; Ono, K.; Wada, R.; Takahashi, Y.; Saigusa, N.; Kawamura, K.; Tani, A.

doi:10.5194/acp-15-12029-2015

Articles | Volume 15, issue 20

https://doi.org/10.5194/acp-15-12029-2015

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

Special issue:

Integrated Land Ecosystem-Atmosphere Processes Study (iLEAPS)...

https://doi.org/10.5194/acp-15-12029-2015

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

Articles | Volume 15, issue 20

Research article

|

29 Oct 2015

Research article |

| 29 Oct 2015

Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a Larix kaempferi forest

T. Mochizuki, Y. Miyazaki, K. Ono, R. Wada, Y. Takahashi, N. Saigusa, K. Kawamura, and A. Tani

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Sep 2015	9	10	1	20
Oct 2015	81	70	3	154
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Jul 2024	19	15	5	39
Aug 2024	19	9	3	31
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Oct 2024	22	11	0	33
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Jan 2025	16	22	0	38
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Cumulative views and downloads (calculated since 14 Apr 2015)

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May 2015	18	20	3	41
Jun 2015	16	15	6	37
Jul 2015	13	14	1	28
Aug 2015	13	13	4	30
Sep 2015	9	10	1	20
Oct 2015	81	70	3	154
Nov 2015	128	95	19	242
Dec 2015	37	56	9	102
Jan 2016	53	27	4	84
Feb 2016	39	25	3	67
Mar 2016	29	23	0	52
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Latest update: 15 Nov 2025

Short summary

Simultaneous measurements of concentrations and above-canopy fluxes of isoprene and α-pinene in a forest, along with their oxidation products in aerosols, suggest that the inflow of anthropogenic precursors/aerosols enhanced the formation of both isoprene- and α-pinene-derived secondary organic aerosol (SOA) within the forest canopy even when the flux was low. We also emphasize the role of vegetation/soils near the forest floor as important sources of isoprene and α-pinene in the forest.