Articles | Volume 16, issue 14
Atmos. Chem. Phys., 16, 9457–9487, 2016
https://doi.org/10.5194/acp-16-9457-2016

Special issue: Ten years of Ozone Monitoring Instrument (OMI) observations...

Atmos. Chem. Phys., 16, 9457–9487, 2016
https://doi.org/10.5194/acp-16-9457-2016
Research article
29 Jul 2016
Research article | 29 Jul 2016

Multi-satellite sensor study on precipitation-induced emission pulses of NOx from soils in semi-arid ecosystems

Jan Zörner et al.

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Short summary
We present a top-down approach to infer and quantify rain-induced emission pulses of nitrogen oxides from soils using satellite-borne measurements of NO2. We found strong enhancements of NO2 induced by the first intense precipitation after prolonged droughts in many semi-arid regions of the world, in particular in the Sahel. Apart from the clear first-day peak, NO2 VCDs are moderately enhanced compared to background over the following 2 weeks suggesting potential further emissions.
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