Articles | Volume 18, issue 18
https://doi.org/10.5194/bg-18-5231-2021
© Author(s) 2021. 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-18-5231-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Spatial and temporal variability of pCO2 and CO2 emissions from the Dong River in south China
Department of Geography, the University of Hong Kong, Hong Kong SAR,
China
Mingyang Tian
Institute for Geology, Center for Earth System Research and
Sustainability (CEN), Universität
Hamburg, Hamburg, Germany
Kaimin Shih
Department of Civil Engineering, University of Hong Kong, Hong
Kong SAR, China
Chun Ngai Chan
Department of Geography, the University of Hong Kong, Hong Kong SAR,
China
Xiankun Yang
School of Geographical Sciences, Guangzhou University,
Guangzhou, 510006, China
Department of Geography, the University of Hong Kong, Hong Kong SAR,
China
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Cited
12 citations as recorded by crossref.
- Carbon Biogeochemistry and Export Governed by Flow in a Non‐Perennial Stream K. Bretz et al. 10.1029/2022WR034004
- Greenhouse Gas Emissions from a Main Tributary of the Yangtze River, Eastern China Y. Miao et al. 10.3390/su142113729
- Basin‐Scale CO2 Emissions From the East River in South China: Importance of Small Rivers, Human Impacts and Monsoons B. Liu et al. 10.1029/2022JG007291
- Developing water quality and land use surrogates to predict endocrine-disrupting chemical profiles in a highly urbanized river basin H. Zhang et al. 10.1016/j.envpol.2024.124951
- Development of a two-dimensional model to assess carbon dynamics and anthropogenic effects on CO2 emissions in the Tan river, southern China Z. Chen et al. 10.1016/j.jenvman.2023.119490
- Atmospheric CO2 sink caused by enhanced chemical weathering in the Rongbuk glacier runoff at the initial ablation, Mt. Qomolangma (Everest) H. Qiu et al. 10.1016/j.jhydrol.2025.133200
- Interannual and seasonal variability and future forecasting of pCO2(water) using the ARIMA model and CO2 fluxes in a tropical estuary S. Swain et al. 10.1007/s10661-023-11816-3
- Urbanization and weather dynamics co-dominated the spatial-temporal variation in pCO2 and CO2 fluxes in small montanic rivers draining diverse landscapes Z. Qing et al. 10.1016/j.jenvman.2023.119884
- Modeling greenhouse gas emissions from riverine systems: A review D. Panique-Casso et al. 10.1016/j.watres.2023.121012
- Identifying the determinants of the spatial patterns and temporal fluctuation characteristics of riverine pCO2 of the largest subtropical river using machine learning methods M. Chen et al. 10.1016/j.ejrh.2025.102284
- Nutrient Limitation of Biological Carbon Pump in Karst Rivers and Implications for Eutrophication Mitigation: A Case Study of the Lijiang River Basin Q. CHAI et al. 10.3724/EE.1672-9250.2024.52.017
- Influences of carbonate weathering and hyporheic exchange on carbon fluxes in Pearl River Basin, China C. Gu et al. 10.1016/j.watres.2024.122014
12 citations as recorded by crossref.
- Carbon Biogeochemistry and Export Governed by Flow in a Non‐Perennial Stream K. Bretz et al. 10.1029/2022WR034004
- Greenhouse Gas Emissions from a Main Tributary of the Yangtze River, Eastern China Y. Miao et al. 10.3390/su142113729
- Basin‐Scale CO2 Emissions From the East River in South China: Importance of Small Rivers, Human Impacts and Monsoons B. Liu et al. 10.1029/2022JG007291
- Developing water quality and land use surrogates to predict endocrine-disrupting chemical profiles in a highly urbanized river basin H. Zhang et al. 10.1016/j.envpol.2024.124951
- Development of a two-dimensional model to assess carbon dynamics and anthropogenic effects on CO2 emissions in the Tan river, southern China Z. Chen et al. 10.1016/j.jenvman.2023.119490
- Atmospheric CO2 sink caused by enhanced chemical weathering in the Rongbuk glacier runoff at the initial ablation, Mt. Qomolangma (Everest) H. Qiu et al. 10.1016/j.jhydrol.2025.133200
- Interannual and seasonal variability and future forecasting of pCO2(water) using the ARIMA model and CO2 fluxes in a tropical estuary S. Swain et al. 10.1007/s10661-023-11816-3
- Urbanization and weather dynamics co-dominated the spatial-temporal variation in pCO2 and CO2 fluxes in small montanic rivers draining diverse landscapes Z. Qing et al. 10.1016/j.jenvman.2023.119884
- Modeling greenhouse gas emissions from riverine systems: A review D. Panique-Casso et al. 10.1016/j.watres.2023.121012
- Identifying the determinants of the spatial patterns and temporal fluctuation characteristics of riverine pCO2 of the largest subtropical river using machine learning methods M. Chen et al. 10.1016/j.ejrh.2025.102284
- Nutrient Limitation of Biological Carbon Pump in Karst Rivers and Implications for Eutrophication Mitigation: A Case Study of the Lijiang River Basin Q. CHAI et al. 10.3724/EE.1672-9250.2024.52.017
- Influences of carbonate weathering and hyporheic exchange on carbon fluxes in Pearl River Basin, China C. Gu et al. 10.1016/j.watres.2024.122014
Latest update: 23 Apr 2025
Short summary
Spatial and temporal patterns of pCO2 in the subtropical Dong River basin were mainly affected by C inputs and in-stream metabolism, both of which varied due to differential catchment settings, land cover, and hydrological conditions. CO2 fluxes in the wet season were 2-fold larger than in the dry season due to high pCO2 and turbulence caused by high flow velocity. The absence of high CO2 fluxes in small rivers could be associated with the depletion effect caused by abundant precipitation.
Spatial and temporal patterns of pCO2 in the subtropical Dong River basin were mainly affected...
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