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ACP | Articles | Volume 20, issue 7
Atmos. Chem. Phys., 20, 4545–4559, 2020
https://doi.org/10.5194/acp-20-4545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Atmos. Chem. Phys., 20, 4545–4559, 2020
https://doi.org/10.5194/acp-20-4545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 17 Apr 2020

Research article | 17 Apr 2020

Background heterogeneity and other uncertainties in estimating urban methane flux: results from the Indianapolis Flux Experiment (INFLUX)

Nikolay V. Balashov et al.

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In-situ tower atmospheric measurements of carbon dioxide, methane and carbon monoxide mole fraction for the Indianapolis Flux (INFLUX) project, Indianapolis, IN, USA. N. L. Miles, S. J. Richardson, K. J. Davis, and B. J. Haupt https://doi.org/10.18113/D37G6P

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Short summary
An accurate independent verification methodology to estimate methane (a powerful greenhouse gas) emissions is essential for the effective implementation of policies that aim to reduce the impacts of climate change. In this paper, four uncertainties that complicate the independent estimation of urban methane emissions are identified: the definition of urban domain, background heterogeneity, emissions temporal variability, and missing sources. Ways to improve emission estimates are suggested.
An accurate independent verification methodology to estimate methane (a powerful greenhouse gas)...
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