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Local Anomalies in the Column‐Averaged Dry Air Mole Fractions of Carbon Dioxide Across the Globe During the First Months of the Coronavirus Recession
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2020
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Source: Geophysical Research Letters, 47(22)
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Journal Title:Geophysical Research Letters
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Description:We use a global transport model and satellite retrievals of the carbon dioxide (CO 2) column average to explore the impact of CO 2emissions reductions that occurred during the economic downturn at the start of the Covid ‐19 pandemic. The changes in the column averages are substantial in a few places of the model global grid, but the induced gradients are most often less than the random errors of the retrievals. The current necessity to restrict the quality ‐assured column retrievals to almost cloud ‐free areas appears to be a major obstacle in identifying changes in CO 2emissions. Indeed, large changes have occurred in the presence of clouds, and in places that were cloud free in 2020, the comparison with previous years
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Source:Geophysical Research Letters, 47(22)
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ISSN:0094-8276;1944-8007;
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Rights Information:CC BY-NC-ND
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Compliance:Library
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