Sea-Air CO2 Fluxes and Implications
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land–Atmosphere Interactions".
Deadline for manuscript submissions: closed (30 August 2024) | Viewed by 435
Special Issue Editor
Special Issue Information
Dear Colleagues,
Carbon dioxide (CO2) is one of the main greenhouse gases and is emitted into the atmosphere primarily via the burning of fossil fuels and land use changes. Additionally, the division of carbon dioxide, both natural and anthropogenic, among the atmosphere, land, and the ocean, is known to be sensitive to climate variability.
Since the beginning of the Industrial period (end of the 18th century), atmospheric CO2 has increased from circa 280 ppmv to approximately 416 ppmv, i.e., an increase of 48%. This growth in atmospheric CO2, however, is dampened by the land biosphere and ocean. However, the uptake of excess CO2 by the ocean is lowering the seawater pH and the availability of carbonate ions that are essential to calcifying organisms, a process known as ocean acidification.
At present, there are several key questions to be answered concerning the ocean–atmosphere exchange of CO2, including the processes controlling seasonal to decadal variability in its fluxes, the feedback between the ocean CO2 sink and other climate change processes, the role of biological processes, and the quantification of the fluxes in the land–ocean continuum.
This Special Issue of Atmosphere is dedicated to papers addressing ocean–atmosphere CO2 fluxes via observations, remote sensing and modelling studies, as well as the application of novel observing tools, platforms and future climate scenarios.
Dr. Letícia Cotrim da Cunha
Guest Editor
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Keywords
- ocean carbon sink
- anthropogenic CO2
- future ocean scenarios
- biological carbon pump
- physical-chemical processes
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