Revised estimates of ocean-atmosphere CO2 flux accounting for near-surface temperature and salinity deviations from 1985-01-01 to 2019-12-31 (NCEI Accession 0301544)
The ocean is a sink for ~25% of the atmospheric CO2 emitted by human activities, an amount in excess of 2 petagrams of carbon per year (PgC yr−1). Time-resolved estimates of global ocean-atmosphere CO2 flux provide an important constraint on the global carbon budget. However, previous estimates of this flux, derived from surface ocean CO2 concentrations, have not corrected the data for temperature gradients between the surface and sampling at a few meters depth, or for the effect of the cool ocean surface skin. Here we calculate a time history of ocean-atmosphere CO2 fluxes from 1992 to 2018, corrected for these effects. These increase the calculated net flux into the oceans significantly.
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| description | The ocean is a sink for ~25% of the atmospheric CO2 emitted by human activities, an amount in excess of 2 petagrams of carbon per year (PgC yr−1). Time-resolved estimates of global ocean-atmosphere CO2 flux provide an important constraint on the global carbon budget. However, previous estimates of this flux, derived from surface ocean CO2 concentrations, have not corrected the data for temperature gradients between the surface and sampling at a few meters depth, or for the effect of the cool ocean surface skin. Here we calculate a time history of ocean-atmosphere CO2 fluxes from 1992 to 2018, corrected for these effects. These increase the calculated net flux into the oceans significantly. |
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"AIR-SEA FLUX - PARTIAL PRESSURE (OR FUGACITY) OF CARBON DIOXIDE",
"carbon dioxide (CO2) gas analyzer",
"chemical",
"derived products",
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"University of Exeter",
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"Royal SOciety Research Professorship to A. J. Watson: RP140106",
"EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE",
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"World-Wide Distribution"
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| spatial | 180.0,-90.0,-180.0,90.0 |
| temporal | 1985-01-01T00:00:00+00:00/2019-12-31T00:00:00+00:00 |
| title | Revised estimates of ocean-atmosphere CO2 flux accounting for near-surface temperature and salinity deviations from 1985-01-01 to 2019-12-31 (NCEI Accession 0301544) |
