Detection of fossil-fuel CO<sub>2</sub> plummet in China due to COVID-19 by observation at Hateruma.

Sci Rep · 2020 · PMC7596474 · PMID 33122844

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a decreasing trendno p-value reported

The 9-year average also shows a decreasing trend in April, due mainly to a gradual increase in biogenic CH 4 emissions (Fig.

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an increasing trendno p-value reported

The average ΔCO 2 /ΔCH 4 ratios for the three months show an increasing trend during 2001–2011 and reach a plateau after 2011.

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