Articles | Volume 14, issue 9
https://doi.org/10.5194/bg-14-2267-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-2267-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
05 May 2017
Research article |
| 05 May 2017
The riverine source of CH4 and N2O from the Republic of Congo, western Congo Basin
Robert C. Upstill-Goddard
CORRESPONDING AUTHOR
Oceans and Climate Research Group, School of Marine Science and
Technology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
Matthew E. Salter
Department of
Environmental Science and Analytical Chemistry, Stockholm University, 11418
Stockholm, Sweden
Paul J. Mann
Department of Geography, Northumbria University, Newcastle upon Tyne,
NE1 8ST, UK
Jonathan Barnes
Oceans and Climate Research Group, School of Marine Science and
Technology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
John Poulsen
Nicholas School of the Environment, Duke University,
P.O. Box 90328, Durham, NC, 27708, USA
Bienvenu Dinga
Laboratoire de Physique
de L'Atmosphère, Université de Marien Ngouabis, Brazzaville, B.P.
69, Republic of Congo
Gregory J. Fiske
Woods Hole Research Center, 149 Woods Hole
Road, Falmouth, MA, 02540-1644, USA
Robert M. Holmes
Woods Hole Research Center, 149 Woods Hole
Road, Falmouth, MA, 02540-1644, USA
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- Effects of tidal cycle on greenhouse gases emissions from a tropical estuary M. Khan et al. 10.1016/j.marpolbul.2023.114733
- The isotopomer ratios of N2O in the Shaying River, the upper Huai River network, Eastern China: The significances of mechanisms and productions of N2O in the heavy ammonia polluted rivers P. Ma et al. 10.1016/j.scitotenv.2019.06.080
- Carbon Biogeochemistry of the Estuaries Adjoining the Indian Sundarbans Mangrove Ecosystem: A Review I. Das et al. 10.3390/life13040863
- Hot spot of CH4 production and diffusive flux in rivers with high urbanization W. Tang et al. 10.1016/j.watres.2021.117624
- The state of nitrogen in rivers and streams across sub-Saharan Africa S. Jacobs & L. Breuer 10.1016/j.scitotenv.2024.176611
- Methane Emissions From the Salt Marshes of Doñana Wetlands: Spatio-Temporal Variability and Controlling Factors I. Huertas et al. 10.3389/fevo.2019.00032
- Opportunities for an African greenhouse gas observation system L. Merbold et al. 10.1007/s10113-021-01823-w
- Assessing Methane Emissions From Tropical Wetlands: Uncertainties From Natural Variability and Drivers at the Global Scale F. Murguia‐Flores et al. 10.1029/2022GB007601
- Variations in dissolved greenhouse gases (CO<sub>2</sub>, CH<sub>4</sub>, N<sub>2</sub>O) in the Congo River network overwhelmingly driven by fluvial-wetland connectivity A. Borges et al. 10.5194/bg-16-3801-2019
- Nitrous oxide (N<sub>2</sub>O) and methane (CH<sub>4</sub>) in rivers and estuaries of northwestern Borneo H. Bange et al. 10.5194/bg-16-4321-2019
- Sources and sinks of N2O in the subtropical Jiulong River Estuary, Southeast China Y. Li et al. 10.3389/fmars.2023.1138258
- Impact of stratospheric air and surface emissions on tropospheric nitrous oxide during ATom Y. Gonzalez et al. 10.5194/acp-21-11113-2021
- Hydrology drives export and composition of carbon in a pristine tropical river T. Drake et al. 10.1002/lno.12436
- Labile dissolved organic matter (DOM) and nitrogen inputs modified greenhouse gas dynamics: A source-to-estuary study of the Yangtze River J. Li et al. 10.1016/j.watres.2024.121318
- Spatial and temporal variability of carbon dioxide and methane fluxes in an Amazonian estuary S. Martínez Castellón et al. 10.15406/ijh.2021.05.00294
- Dynamic of CO2, CH4 and N2O in the Guadalquivir estuary J. Sánchez-Rodríguez et al. 10.1016/j.scitotenv.2021.150193
- Spatio-temporal variability and controls on methane and nitrous oxide in the Guadalquivir Estuary, Southwestern Europe I. Huertas et al. 10.1007/s00027-018-0580-5
- Watershed land use change indirectly dominated the spatial variations of CH4 and N2O emissions from two small suburban rivers Z. Que et al. 10.1016/j.jhydrol.2023.129357
- Distribution, reactivity and vertical fluxes of methane in the Guadalquivir Estuary (SW Spain) J. Sánchez-Rodríguez et al. 10.1016/j.scitotenv.2023.167758
- Land Use, Not Stream Order, Controls N2O Concentration and Flux in the Upper Mara River Basin, Kenya R. Mwanake et al. 10.1029/2019JG005063
- Greenhouse gas dynamics in tropical montane streams of Puerto Rico and the role of watershed lithology A. Herreid et al. 10.1007/s10533-022-00995-9
- Inland Waters can Act as Nitrous Oxide Sinks: Observation and Modeling Reveal that Nitrous Oxide Undersaturation May Partially Offset Emissions K. Aho et al. 10.1029/2023GL104987
- Methane Emissions from Surface of Mangrove River on Hainan Island, China J. Hu et al. 10.3390/atmos12091126
- Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin M. Barthel et al. 10.1038/s41467-022-27978-6
- Assessing nutrient budgets and N2O emission of newly constructed rice-giant freshwater prawn co-culture on reclaimed land M. Liu et al. 10.1016/j.agee.2023.108686
26 citations as recorded by crossref.
- Terrigenous organic carbon drives methane dynamics in cascade reservoirs in the upper Yangtze China Y. Zhang et al. 10.1016/j.watres.2022.118546
- Effects of tidal cycle on greenhouse gases emissions from a tropical estuary M. Khan et al. 10.1016/j.marpolbul.2023.114733
- The isotopomer ratios of N2O in the Shaying River, the upper Huai River network, Eastern China: The significances of mechanisms and productions of N2O in the heavy ammonia polluted rivers P. Ma et al. 10.1016/j.scitotenv.2019.06.080
- Carbon Biogeochemistry of the Estuaries Adjoining the Indian Sundarbans Mangrove Ecosystem: A Review I. Das et al. 10.3390/life13040863
- Hot spot of CH4 production and diffusive flux in rivers with high urbanization W. Tang et al. 10.1016/j.watres.2021.117624
- The state of nitrogen in rivers and streams across sub-Saharan Africa S. Jacobs & L. Breuer 10.1016/j.scitotenv.2024.176611
- Methane Emissions From the Salt Marshes of Doñana Wetlands: Spatio-Temporal Variability and Controlling Factors I. Huertas et al. 10.3389/fevo.2019.00032
- Opportunities for an African greenhouse gas observation system L. Merbold et al. 10.1007/s10113-021-01823-w
- Assessing Methane Emissions From Tropical Wetlands: Uncertainties From Natural Variability and Drivers at the Global Scale F. Murguia‐Flores et al. 10.1029/2022GB007601
- Variations in dissolved greenhouse gases (CO<sub>2</sub>, CH<sub>4</sub>, N<sub>2</sub>O) in the Congo River network overwhelmingly driven by fluvial-wetland connectivity A. Borges et al. 10.5194/bg-16-3801-2019
- Nitrous oxide (N<sub>2</sub>O) and methane (CH<sub>4</sub>) in rivers and estuaries of northwestern Borneo H. Bange et al. 10.5194/bg-16-4321-2019
- Sources and sinks of N2O in the subtropical Jiulong River Estuary, Southeast China Y. Li et al. 10.3389/fmars.2023.1138258
- Impact of stratospheric air and surface emissions on tropospheric nitrous oxide during ATom Y. Gonzalez et al. 10.5194/acp-21-11113-2021
- Hydrology drives export and composition of carbon in a pristine tropical river T. Drake et al. 10.1002/lno.12436
- Labile dissolved organic matter (DOM) and nitrogen inputs modified greenhouse gas dynamics: A source-to-estuary study of the Yangtze River J. Li et al. 10.1016/j.watres.2024.121318
- Spatial and temporal variability of carbon dioxide and methane fluxes in an Amazonian estuary S. Martínez Castellón et al. 10.15406/ijh.2021.05.00294
- Dynamic of CO2, CH4 and N2O in the Guadalquivir estuary J. Sánchez-Rodríguez et al. 10.1016/j.scitotenv.2021.150193
- Spatio-temporal variability and controls on methane and nitrous oxide in the Guadalquivir Estuary, Southwestern Europe I. Huertas et al. 10.1007/s00027-018-0580-5
- Watershed land use change indirectly dominated the spatial variations of CH4 and N2O emissions from two small suburban rivers Z. Que et al. 10.1016/j.jhydrol.2023.129357
- Distribution, reactivity and vertical fluxes of methane in the Guadalquivir Estuary (SW Spain) J. Sánchez-Rodríguez et al. 10.1016/j.scitotenv.2023.167758
- Land Use, Not Stream Order, Controls N2O Concentration and Flux in the Upper Mara River Basin, Kenya R. Mwanake et al. 10.1029/2019JG005063
- Greenhouse gas dynamics in tropical montane streams of Puerto Rico and the role of watershed lithology A. Herreid et al. 10.1007/s10533-022-00995-9
- Inland Waters can Act as Nitrous Oxide Sinks: Observation and Modeling Reveal that Nitrous Oxide Undersaturation May Partially Offset Emissions K. Aho et al. 10.1029/2023GL104987
- Methane Emissions from Surface of Mangrove River on Hainan Island, China J. Hu et al. 10.3390/atmos12091126
- Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin M. Barthel et al. 10.1038/s41467-022-27978-6
- Assessing nutrient budgets and N2O emission of newly constructed rice-giant freshwater prawn co-culture on reclaimed land M. Liu et al. 10.1016/j.agee.2023.108686
Latest update: 14 Dec 2024
Short summary
We measured concentrations of the greenhouse gases methane and nitrous oxide in rivers from the western Congo Basin (Republic of Congo). All rivers studied were strong sources of methane to air but they ranged from minor sources to minor sinks for nitrous oxide. Our estimated emissions to air agreed with existing estimates for sub-Saharan African rivers, supportive of the growing consensus that African river systems are a major contributor to the global freshwater source of greenhouse gases.
We measured concentrations of the greenhouse gases methane and nitrous oxide in rivers from the...
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