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Aquatic eddy covariance: The method and its contributions to defining oxygen and carbon fluxes in marine environments
Berg, P.; Huettel, M.; Glud, R.N.; Reimers, C.E.; Attard, K.M. (2022). Aquatic eddy covariance: The method and its contributions to defining oxygen and carbon fluxes in marine environments. Ann. Rev. Mar. Sci. 14(1): 431-455. https://dx.doi.org/10.1146/annurev-marine-042121-012329
In: Annual Review of Marine Science. Annual Reviews: Palo Alto, Calif. ISSN 1941-1405; e-ISSN 1941-0611, meer
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| Author keywords |
aquatic eddy covariance, oxygen dynamics, carbon cycling, blue carbon, drivers of oxygen flux, sediment–water exchange, air–water exchange |
| Auteurs | | Top |
- Berg, P.
- Huettel, M.
- Glud, R.N., meer
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- Reimers, C.E.
- Attard, K.M.
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| Abstract |
Aquatic eddy covariance (AEC) is increasingly being used to study benthic oxygen (O2) flux dynamics, organic carbon cycling, and ecosystem health in marine and freshwater environments. Because it is a noninvasive technique, has a high temporal resolution (∼15 min), and integrates over a large area of the seafloor (typically 10–100 m2), it has provided new insights on the functioning of aquatic ecosystems under naturally varying in situ conditions and has given us more accurate assessments of their metabolism. In this review, we summarize biogeochemical, ecological, and biological insightsgained from AEC studies of marine ecosystems. A general finding for all substrates is that benthic O2 exchange is far more dynamic than earlier recognized, and thus accurate mean values can only be obtained from measurements that integrate over all timescales that affect the local O2 exchange. Finally, we highlight new developments of the technique, including measurements of air–water gas exchange and long-term deployments. |
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