Articles | Volume 12, issue 5
Atmos. Meas. Tech., 12, 2949–2966, 2019
https://doi.org/10.5194/amt-12-2949-2019
Atmos. Meas. Tech., 12, 2949–2966, 2019
https://doi.org/10.5194/amt-12-2949-2019

Research article 29 May 2019

Research article | 29 May 2019

Quantification of CO2 and CH4 emissions over Sacramento, California, based on divergence theorem using aircraft measurements

Ju-Mee Ryoo et al.

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Latest update: 13 May 2021
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Short summary
We designed cylindrical flights and computed the emission fluxes using a kriging method and Gauss's theorem over Sacramento, California. Differences in wind treatment and background affect the emission estimates by a factor of 1.5 to 7. The effects of the vertical layer average and the vertical mass transfer on the emission estimates are found to be small, esp. local scale. The result also suggests a closed-shape flight profile can better contain total emissions than a one-sided curtain flight.