Articles | Volume 17, issue 14
https://doi.org/10.5194/bg-17-3875-2020
© 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/bg-17-3875-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Temporary and net sinks of atmospheric CO2 due to chemical weathering in subtropical catchment with mixing carbonate and silicate lithology
Yingjie Cao
School of Environmental Science and Engineering, Sun Yat-Sen
University, Guangzhou, China
Guangdong Provincial Key Laboratory of Environmental Pollution Control
and Remediation Technology, Sun Yat-Sen University, Guangzhou, China
Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai,
China
Yingxue Xuan
School of Environmental Science and Engineering, Sun Yat-Sen
University, Guangzhou, China
School of Geography and Planning, Sun Yat-Sen University, Guangzhou,
China
Changyuan Tang
CORRESPONDING AUTHOR
School of Environmental Science and Engineering, Sun Yat-Sen
University, Guangzhou, China
School of Geography and Planning, Sun Yat-Sen University, Guangzhou,
China
Guangdong Provincial Key Laboratory of Environmental Pollution Control
and Remediation Technology, Sun Yat-Sen University, Guangzhou, China
Shuai Guan
Guangdong Research Institute of Water Resource and Hydropower,
Guangzhou, China
Yisheng Peng
School of Environmental Science and Engineering, Sun Yat-Sen
University, Guangzhou, China
Guangdong Provincial Key Laboratory of Environmental Pollution Control
and Remediation Technology, Sun Yat-Sen University, Guangzhou, China
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Cited
12 citations as recorded by crossref.
- Lithological Controls on Chemical Weathering and CO2 Consumption at Small Watershed Scale: Insights from Hydrochemistry and Stable Carbon Isotope Y. Zhang et al. https://doi.org/10.3390/w17132008
- Hydrochemical characterization and multivariate analysis of groundwater evolution in the Dabus River catchment, western Ethiopia G. Daddi et al. https://doi.org/10.1186/s12302-026-01392-x
- Geochemical characteristics of strontium isotopes in a coastal watershed: implications for anthropogenic influenced chemical weathering and export flux S. Zhang et al. https://doi.org/10.7717/peerj.13223
- Hydrochemical evolution and formation mechanisms of groundwater in the Daihai Lake Basin plain under ongoing ecological water replenishment J. Zhang et al. https://doi.org/10.1038/s41598-026-50698-6
- Factor affecting nitrate in a mixed land-use watershed of southern China based on dual nitrate isotopes, sources or transformations? Y. Xuan et al. https://doi.org/10.1016/j.jhydrol.2021.127220
- Potential influence of landscape transition on stream water chemistry trends during the last decades in a karst catchment (Pyrenees, SW France) in a context of global environmental changes F. Ulloa-Cedamanos et al. https://doi.org/10.1016/j.ecolind.2022.109023
- Bayesian Model Revealing Segment-Scale Elemental Flux, Doubled CO2 Consumption, and Potential Anthropogenic Impact in the Upper Mekong Basin: Constraints from Strontium Isotopes S. Zhang et al. https://doi.org/10.1021/acs.est.4c12202
- Chemical weathering and CO2 consumption in a multi-lithological karstic critical zone: Long term hydrochemical trends and isotopic survey F. Ulloa-Cedamanos et al. https://doi.org/10.1016/j.chemgeo.2021.120567
- Multi-isotopes revealing the coastal river anthropogenic pollutants and natural material flux to ocean: Sr, C, N, S, and O isotope study S. Zhang et al. https://doi.org/10.1007/s11356-022-20223-z
- RETRACTED: Contribution of carbonate-derived dissolved inorganic carbon into autochthonous particulate organic carbon in two small temperate Korean rivers (Geum and Seomjin) S. Kang et al. https://doi.org/10.1016/j.heliyon.2024.e31154
- Assessing hydrogeochemical characteristics, pollution sources, water quality, and health risks in Northwest Moroccan springs using statistical analysis W. Lechhab et al. https://doi.org/10.1007/s40899-024-01147-7
- Hydrochemical Evolution and Nitrogen Behaviors in Coastal Groundwater Suffered From Seawater Intrusion and Anthropogenic Inputs Y. Dun et al. https://doi.org/10.3389/fmars.2022.945330
12 citations as recorded by crossref.
- Lithological Controls on Chemical Weathering and CO2 Consumption at Small Watershed Scale: Insights from Hydrochemistry and Stable Carbon Isotope Y. Zhang et al. https://doi.org/10.3390/w17132008
- Hydrochemical characterization and multivariate analysis of groundwater evolution in the Dabus River catchment, western Ethiopia G. Daddi et al. https://doi.org/10.1186/s12302-026-01392-x
- Geochemical characteristics of strontium isotopes in a coastal watershed: implications for anthropogenic influenced chemical weathering and export flux S. Zhang et al. https://doi.org/10.7717/peerj.13223
- Hydrochemical evolution and formation mechanisms of groundwater in the Daihai Lake Basin plain under ongoing ecological water replenishment J. Zhang et al. https://doi.org/10.1038/s41598-026-50698-6
- Factor affecting nitrate in a mixed land-use watershed of southern China based on dual nitrate isotopes, sources or transformations? Y. Xuan et al. https://doi.org/10.1016/j.jhydrol.2021.127220
- Potential influence of landscape transition on stream water chemistry trends during the last decades in a karst catchment (Pyrenees, SW France) in a context of global environmental changes F. Ulloa-Cedamanos et al. https://doi.org/10.1016/j.ecolind.2022.109023
- Bayesian Model Revealing Segment-Scale Elemental Flux, Doubled CO2 Consumption, and Potential Anthropogenic Impact in the Upper Mekong Basin: Constraints from Strontium Isotopes S. Zhang et al. https://doi.org/10.1021/acs.est.4c12202
- Chemical weathering and CO2 consumption in a multi-lithological karstic critical zone: Long term hydrochemical trends and isotopic survey F. Ulloa-Cedamanos et al. https://doi.org/10.1016/j.chemgeo.2021.120567
- Multi-isotopes revealing the coastal river anthropogenic pollutants and natural material flux to ocean: Sr, C, N, S, and O isotope study S. Zhang et al. https://doi.org/10.1007/s11356-022-20223-z
- RETRACTED: Contribution of carbonate-derived dissolved inorganic carbon into autochthonous particulate organic carbon in two small temperate Korean rivers (Geum and Seomjin) S. Kang et al. https://doi.org/10.1016/j.heliyon.2024.e31154
- Assessing hydrogeochemical characteristics, pollution sources, water quality, and health risks in Northwest Moroccan springs using statistical analysis W. Lechhab et al. https://doi.org/10.1007/s40899-024-01147-7
- Hydrochemical Evolution and Nitrogen Behaviors in Coastal Groundwater Suffered From Seawater Intrusion and Anthropogenic Inputs Y. Dun et al. https://doi.org/10.3389/fmars.2022.945330
Saved (final revised paper)
Latest update: 23 Jul 2026
Short summary
About half of the global CO2 sequestration due to chemical weathering occurs in warm and high-runoff regions. To evaluate the temporary and net sinks of atmospheric CO2 due to chemical weathering, we selected a typical subtropical catchment as our study area and did fieldwork to sample surface water along the main channel and major tributaries in 1 hydrological year. The result of mass balance calculation showed that human activities dramatically decreased the CO2 net sink.
About half of the global CO2 sequestration due to chemical weathering occurs in warm and...
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