Correction to “Natural Gas and Biogenic CH4 Emissions from an Urban Center, Sakai, Japan, Based on Simultaneous Measurements of CH4 and C2H6 fluxes Based on the Eddy Covariance Method”
Masahito Ueyama, Akira Nakaoka, Taku Umezawa, Yukio Terao, Mark Lunt
Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Figure 4- —Environmental Defense Fund10.13039/100020074
- —JSPS KAKENHINA
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TopicsAtmospheric and Environmental Gas Dynamics · Atmospheric chemistry and aerosols · Odor and Emission Control Technologies
This article included an error in the calculation of daily CH_4_ fluxes. Specifically, an incorrect treatment of bootstrap-derived statistics was applied when aggregating half-hourly fluxes to daily values, which led to an underestimation of daily CH_4_ fluxes and the resulting annual emissions.
The daily and annual CH_4_ fluxes have been recalculated using an appropriate temporal integration of half-hourly fluxes. The revised statistical values are summarized in Table. As a consequence, Figures and ? and Figures and ? in the Supporting Information have been updated and appear below.
The correct annual CH_4_ emission is 19.2 g of CH_4_ m^–2^ year^–1^, which is approximately twice the originally reported value. This correction does not affect the seasonal characteristics of CH_4_ emissions, the relative importance of biogenic and natural gas-related sources, or the main conclusions of the study.