Articles | Volume 18, issue 19
Biogeosciences, 18, 5381–5395, 2021
https://doi.org/10.5194/bg-18-5381-2021
Biogeosciences, 18, 5381–5395, 2021
https://doi.org/10.5194/bg-18-5381-2021

Technical note 04 Oct 2021

Technical note | 04 Oct 2021

Technical note: Novel triple O2 sensor aquatic eddy covariance instrument with improved time shift correction reveals central role of microphytobenthos for carbon cycling in coral reef sands

Alireza Merikhi et al.

Data sets

Current flow, pressure, and oxygen concentrations recorded by the 3OEC-instrument in the Florida Keys from 11‒17 July 2017 M. Huettel and P. Berg https://doi.org/10.26008/1912/bco-dmo.849934.1

Temperature and dissolved oxygen recorded two PME Mindot O2 loggers in the Florida Keys from 11‒17 July 2017 M. Huettel and P. Berg https://doi.org/10.26008/1912/bco-dmo.849915.1

PAR recorded by two Odyssey PAR loggers in the Florida Keys from 11‒17 July 2017 M. Huettel and P. Berg https://doi.org/10.26008/1912/bco-dmo.849979.1

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Short summary
The aquatic eddy covariance technique is a powerful method for measurements of solute fluxes across the sediment–water interface. Data measured by conventional eddy covariance instruments require a time shift correction that can result in substantial flux errors. We introduce a triple O2 sensor eddy covariance instrument that by design eliminates these errors. Deployments next to a conventional instrument in the Florida Keys demonstrate the improvements achieved through the new design.
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