Articles | Volume 20, issue 21
Atmos. Chem. Phys., 20, 12655–12673, 2020
https://doi.org/10.5194/acp-20-12655-2020
Atmos. Chem. Phys., 20, 12655–12673, 2020
https://doi.org/10.5194/acp-20-12655-2020
Research article
03 Nov 2020
Research article | 03 Nov 2020

Impact of the South Asian monsoon outflow on atmospheric hydroperoxides in the upper troposphere

Bettina Hottmann et al.

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Latest update: 06 Dec 2022
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Short summary
During OMO we observed enhanced mixing ratios of hydroperoxides (ROOH) in the Asian monsoon anticyclone (AMA) relative to the background. The observed mixing ratios are higher than steady-state calculations and EMAC simulations, especially in the AMA, indicating atmospheric transport of ROOH. Uncertainties in the scavenging efficiencies likely cause deviations from EMAC. Longitudinal gradients indicate a pool of ROOH towards the center of the AMA associated with upwind convection over India.
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