Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14717–14740, 2020
https://doi.org/10.5194/acp-20-14717-2020
Atmos. Chem. Phys., 20, 14717–14740, 2020
https://doi.org/10.5194/acp-20-14717-2020

Research article 07 Dec 2020

Research article | 07 Dec 2020

Methane mapping, emission quantification, and attribution in two European cities: Utrecht (NL) and Hamburg (DE)

Hossein Maazallahi et al.

Data sets

Utrecht and Hamburg city measurements data H. Maazallahi, J. M., Fernandez, M. Menoud, D. Zavala-Araiza, Z. D. Weller, S. Schwietzke, J. C. von Fischer, H. Denier van der Gon, H., and T. Röckmann https://doi.org/10.18160/RAJS-KZZQ

Model code and software

MATLAB® code for evaluation of urban surveys H. Maazallahi, J. M., Fernandez, M. Menoud, D. Zavala-Araiza, Z. D. Weller, S. Schwietzke, J. C. von Fischer, H. Denier van der Gon, H., and T. Röckmann https://doi.org/10.5281/zenodo.3928972

Video supplement

Virtual tour of urban surveys in Utrecht, NL, and Hamburg, DE H. Maazallahi, J. M., Fernandez, M. Menoud, D. Zavala-Araiza, Z. D. Weller, S. Schwietzke, J. C. von Fischer, H. Denier van der Gon, H., and T. Röckmann https://doi.org/10.5446/49902

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Short summary
Methane accounts for ∼ 25 % of current climate warming. The current lack of methane measurements is a barrier for tracking major sources, which are key for near-term climate mitigation. We use mobile measurements to identify and quantify methane emission sources in Utrecht (NL) and Hamburg (DE) with a focus on natural gas pipeline leaks. The measurements resulted in fixing the major leaks by the local utility, but coordinated efforts are needed at national levels for further emission reductions.
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