Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 13
Articles | Volume 13, issue 13
https://doi.org/10.5194/bg-13-3915-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-3915-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 13
Technical note
 | 
07 Jul 2016
Technical note |  | 07 Jul 2016

Technical note: Assessing gas equilibration systems for continuous pCO2 measurements in inland waters

Tae Kyung Yoon, Hyojin Jin, Neung-Hwan Oh, and Ji-Hyung Park

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Short summary
Spray- and marble-type equilibrators and a membrane-enclosed CO2 sensor were compared to assess their suitability for continuous pCO2 measurements in inland waters. The results suggest that the fast response of the equilibration systems facilitates capturing large spatial variations in pCO2 during short underway measurements. The membrane-enclosed sensor would be suitable for long-term continuous measurements if biofouling could be overcome by antifouling measures such as copper mesh coverings.
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