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Volume 15, issue 16
Atmos. Chem. Phys., 15, 9237–9251, 2015
https://doi.org/10.5194/acp-15-9237-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 15, 9237–9251, 2015
https://doi.org/10.5194/acp-15-9237-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 20 Aug 2015

Research article | 20 Aug 2015

A comparison of measured HONO uptake and release with calculated source strengths in a heterogeneous forest environment

M. Sörgel et al.

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We measured near-surface (< 2m) profiles of HONO in a clearing and on a forest floor. Both HONO deposition and emissions were observed. By comparing three postulated sources to observed daytime emissions, we made several important findings: ● conversion of NO2 is mostly independent of light due to light saturation ● HONO emissions from a very acidic soil were low ● photolysis of adsorbed HNO3 could serve as HONO source based on empirical parameters but unlikely via the proposed reaction pathway.
We measured near-surface ( 2m) profiles of HONO in a clearing and on a forest floor. Both HONO...
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