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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- Differential controls on CO2 and CH4 emissions from the free-flowing Neretva River, Bosnia and Herzegovina M. Dalvai Ragnoli et al. 10.14720/ns.25.3.213-237
- Global greenhouse gas emissions from aquaculture: a bibliometric analysis G. Chen et al. 10.1016/j.agee.2023.108405
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- Spatial and temporal variability of methane emissions from cascading reservoirs in the Upper Mekong River L. Liu et al. 10.1016/j.watres.2020.116319
- Density currents reduce nitrous oxide emissions in a tributary bay of Three Gorges Reservoir X. Guo et al. 10.1016/j.watres.2020.116750
- Dissolved methane concentration distribution of reservoir in winter based on the underway high-resolution monitoring: A case study of the Xibeikou Reservoir in Hubei Province<sup>*</sup> W. Xuezhu et al. 10.18307/2021.0524
- Impacts of summer rainfall events on the dynamics of greenhouse gas fluxes revealed by high-frequency observation from Guanzhuang Reservoir, Hubei Province C. Min et al. 10.18307/2021.0619
- Methane accumulation and its potential precursor compounds in the oxic surface water layer of two contrasting stratified lakes M. Schroll et al. 10.1016/j.scitotenv.2023.166205
- Dissolved gas sensing using an anti-resonant hollow core optical fiber J. Kapit & A. Michel 10.1364/AO.439787
- Monitoring and analysis of CO<sub>2</sub> and CH<sub>4</sub> fluxes in the Three Gorges Reservoir L. Zhe et al. 10.18307/2023.0205
- Lake surface cooling drives littoral-pelagic exchange of dissolved gases T. Doda et al. 10.1126/sciadv.adi0617
- Spatial and temporal variability of dissolved methane concentrations and diffusive emissions in the Three Gorges Reservoir J. Liu et al. 10.1016/j.watres.2021.117788
- 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
- Drivers of spatial and seasonal variations of CO2 and CH4 fluxes at the sediment water interface in a shallow eutrophic lake H. Sun et al. 10.1016/j.watres.2022.118916
- Wastewater-influenced estuaries are characterized by disproportionately high nitrous oxide emissions but overestimated IPCC emission factor Y. Dong et al. 10.1038/s43247-023-01051-6
- Research on hydrodynamic characteristics and its water eco-environment effects in Three Gorges Reservoir in recent 20 years: Review and prospect L. Lianghong et al. 10.18307/2023.0202
- A review on the time scale of CO<sub>2</sub> degassing across water-air interface in river Y. Xinxia et al. 10.18307/2023.0303
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Latest update: 22 Apr 2024
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,...
