ATMOSPHERIC SCIENCE. Response to Comment on "Missing gas-phase source of HONO inferred from Zeppelin measurements in the troposphere"

Xin Li; Franz Rohrer; Andreas Hofzumahaus; Theo Brauers; Rolf Häseler; Birger Bohn; Sebastian Broch; Hendrik Fuchs; Sebastian Gomm; Frank Holland; Julia Jäger; Jennifer Kaiser; Frank N Keutsch; Insa Lohse; Keding Lu; Ralf Tillmann; Robert Wegener; Glenn M Wolfe; Thomas F Mentel; Astrid Kiendler-Scharr; Andreas Wahner

doi:10.1126/science.aaa3777

ATMOSPHERIC SCIENCE. Response to Comment on "Missing gas-phase source of HONO inferred from Zeppelin measurements in the troposphere"

Science. 2015 Jun 19;348(6241):1326. doi: 10.1126/science.aaa3777.

Authors

Xin Li¹, Franz Rohrer¹, Andreas Hofzumahaus², Theo Brauers², Rolf Häseler², Birger Bohn², Sebastian Broch², Hendrik Fuchs², Sebastian Gomm², Frank Holland², Julia Jäger², Jennifer Kaiser³, Frank N Keutsch³, Insa Lohse², Keding Lu², Ralf Tillmann², Robert Wegener², Glenn M Wolfe³, Thomas F Mentel², Astrid Kiendler-Scharr², Andreas Wahner²

Affiliations

¹ Institut für Energie und Klimaforschung, Troposphäre (IEK-8), Forschungszentrum Jülich, Jülich, Germany. f.rohrer@fz-juelich.de x.li@fz-juelich.de.
² Institut für Energie und Klimaforschung, Troposphäre (IEK-8), Forschungszentrum Jülich, Jülich, Germany.
³ Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA.

PMID: 26089508
DOI: 10.1126/science.aaa3777

Abstract

Ye et al. have determined a maximum nitrous acid (HONO) yield of 3% for the reaction HO2·H2O + NO2, which is much lower than the yield used in our work. This finding, however, does not affect our main result that HONO in the investigated Po Valley region is mainly from a gas-phase source that consumes nitrogen oxides.

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