Articles | Volume 24, issue 7
https://doi.org/10.5194/hess-24-3871-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-24-3871-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Technical note
| 
30 Jul 2020
Technical note |
| 30 Jul 2020
| 30 Jul 2020
A Fast-Response Automated Gas Equilibrator (FaRAGE) for continuous in situ measurement of CH4 and CO2 dissolved in water
Shangbin Xiao
College of Hydraulic & Environmental Engineering, China Three Gorges University, 443002 Yichang, China
Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, 16775 Stechlin, Germany
Wei Wang
College of Hydraulic & Environmental Engineering, China Three Gorges University, 443002 Yichang, China
Andreas Lorke
College of Hydraulic & Environmental Engineering, China Three Gorges University, 443002 Yichang, China
Institute for Environmental Sciences, University of Koblenz-Landau, 76829 Landau, Germany
Jason Woodhouse
Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, 16775 Stechlin, Germany
Hans-Peter Grossart
CORRESPONDING AUTHOR
Department of Experimental Limnology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, 16775 Stechlin, Germany
Institute of Biochemistry and Biology, Potsdam University, 14669 Potsdam, Germany
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- Systematical δ13C investigations of TOC in aquatic plants, DIC and dissolved CO2 in lake water from three Tibetan Plateau lakes H. Liu et al. 10.1016/j.ecolind.2022.109060
- High-frequency continuous measurements reveal strong diel and seasonal cycling of pCO2 and CO2 flux in a mesohaline reach of the Chesapeake Bay A. Miller et al. 10.5194/bg-21-3717-2024
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Latest update: 03 Mar 2025
Short summary
To better understand the fate of methane (CH4) and carbon dioxide (CO2) in freshwaters, dissolved CH4 and CO2 need to be measured with a high temporal resolution. We developed the Fast-Response Automated Gas Equilibrator (FaRAGE) for real-time in situ measurement of dissolved gases in water. FaRAGE can achieve a short response time (CH4:
t95 % = 12 s; CO2:
t95 % = 10 s) while retaining a high equilibration ratio and accuracy.
To better understand the fate of methane (CH4) and carbon dioxide (CO2) in freshwaters,...
