Articles | Volume 13, issue 12
https://doi.org/10.5194/bg-13-3647-2016
© Author(s) 2016. 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-13-3647-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
22 Jun 2016
Research article |
| 22 Jun 2016
Effect of sporadic destratification, seasonal overturn, and artificial mixing on CH4 emissions from a subtropical hydroelectric reservoir
Université de Toulouse, UPS GET, 14 Avenue E. Belin, 31400
Toulouse, France
IRD, UR 234, GET, 14 Avenue E. Belin, 31400
Toulouse, France
Departamento de Geoquimica, Universidade Federal
Fluminense, Niteroi-RJ, Brazil
Chandrashekhar Deshmukh
Université de Toulouse, UPS GET, 14 Avenue E. Belin, 31400
Toulouse, France
Laboratoire d'Aérologie,
Université de Toulouse, CNRS UMR 5560; 14 Av. Edouard Belin, 31400
Toulouse, France
Centre for Regulatory and Policy Research, TERI
University, New Delhi, India
now at: Nam Theun 2 Power Company Limited (NTPC), Environment &
Social Division, Water Quality and Biodiversity Dept., Gnommalath Office,
P.O. Box 5862, Vientiane, Lao PDR
David Labat
Université de Toulouse, UPS GET, 14 Avenue E. Belin, 31400
Toulouse, France
Sylvie Pighini
Nam Theun 2 Power Company Limited
(NTPC), Environment & Social Division, Water Quality and Biodiversity
Dept., Gnommalath Office, P.O. Box 5862, Vientiane, Lao PDR
now at: Innsbruck University,
Institute of Ecology, 15 Sternwartestrasse, 6020 Innsbruck, Austria and
Foundation Edmund Mach, FOXLAB-FEM, Via E. Mach 1, 38010 San Michele
all'Adige, Italy
Axay Vongkhamsao
Nam Theun 2 Power Company Limited
(NTPC), Environment & Social Division, Water Quality and Biodiversity
Dept., Gnommalath Office, P.O. Box 5862, Vientiane, Lao PDR
Pierre Guédant
Nam Theun 2 Power Company Limited
(NTPC), Environment & Social Division, Water Quality and Biodiversity
Dept., Gnommalath Office, P.O. Box 5862, Vientiane, Lao PDR
Wanidaporn Rode
Nam Theun 2 Power Company Limited
(NTPC), Environment & Social Division, Water Quality and Biodiversity
Dept., Gnommalath Office, P.O. Box 5862, Vientiane, Lao PDR
Arnaud Godon
Nam Theun 2 Power Company Limited
(NTPC), Environment & Social Division, Water Quality and Biodiversity
Dept., Gnommalath Office, P.O. Box 5862, Vientiane, Lao PDR
now at: Arnaud Godon Company, 44 Route de Genas,
Nomade Lyon, 69003 Lyon, France
Vincent Chanudet
Electricité de France, Hydro Engineering Centre, Sustainable
Development Dpt., Savoie Technolac, 73373 Le Bourget du Lac, France
Stéphane Descloux
Electricité de France, Hydro Engineering Centre, Sustainable
Development Dpt., Savoie Technolac, 73373 Le Bourget du Lac, France
Dominique Serça
Laboratoire d'Aérologie,
Université de Toulouse, CNRS UMR 5560; 14 Av. Edouard Belin, 31400
Toulouse, France
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Cited
17 citations as recorded by crossref.
- Carbon dioxide emissions from the flat bottom and shallow Nam Theun 2 Reservoir: drawdown area as a neglected pathway to the atmosphere C. Deshmukh et al. 10.5194/bg-15-1775-2018
- Comparing methane ebullition variability across space and time in a Brazilian reservoir A. Linkhorst et al. 10.1002/lno.11410
- Contrasting methane emissions from upstream and downstream rivers and their associated subtropical reservoir in eastern China L. Yang 10.1038/s41598-019-44470-2
- A state-of-the-art review of greenhouse gas emissions from Indian hydropower reservoirs A. Kumar et al. 10.1016/j.jclepro.2021.128806
- Greenhouse gas emissions from hydroelectric reservoirs: mechanistic understanding of influencing factors and future prospect A. Kumar et al. 10.1007/s11356-023-25717-y
- The Global Methane Budget 2000–2017 M. Saunois et al. 10.5194/essd-12-1561-2020
- Emission of greenhouse gases from French temperate hydropower reservoirs V. Chanudet et al. 10.1007/s00027-020-00721-3
- First Assessment of Inorganic Nitrogen Deposition Budget Following the Impoundment of a Subtropical Hydroelectric Reservoir (Nam Theun 2, Lao PDR) M. Adon et al. 10.1029/2018JD029027
- Changing sources and processes sustaining surface CO<sub>2</sub> and CH<sub>4</sub> fluxes along a tropical river to reservoir system C. Soued & Y. Prairie 10.5194/bg-18-1333-2021
- Greenhouse gas emissions from a semi-arid tropical reservoir in northeastern Brazil M. Rodriguez & P. Casper 10.1007/s10113-018-1289-7
- Greenhouse gas measurement from Chinese freshwater bodies: A review A. Kumar et al. 10.1016/j.jclepro.2019.06.052
- Methane and Nitrous Oxide Emissions From an Anthropogenically Transformed Lake (Lake Licheńskie, Poland) M. Woszczyk & C. Schubert 10.1029/2023JG007594
- Estimation of carbon stock for greenhouse gas emissions from hydropower reservoirs A. Kumar et al. 10.1007/s00477-018-1608-z
- Methane and nitrous oxide annual emissions from an old eutrophic temperate reservoir S. Descloux et al. 10.1016/j.scitotenv.2017.04.066
- The global methane budget 2000–2012 M. Saunois et al. 10.5194/essd-8-697-2016
- Low methane (CH<sub>4</sub>) emissions downstream of a monomictic subtropical hydroelectric reservoir (Nam Theun 2, Lao PDR) C. Deshmukh et al. 10.5194/bg-13-1919-2016
- Nam Theun 2 Reservoir four years after commissioning: significance of drawdown methane emissions and other pathways D. Serça et al. 10.1051/hydro/2016001
15 citations as recorded by crossref.
- Carbon dioxide emissions from the flat bottom and shallow Nam Theun 2 Reservoir: drawdown area as a neglected pathway to the atmosphere C. Deshmukh et al. 10.5194/bg-15-1775-2018
- Comparing methane ebullition variability across space and time in a Brazilian reservoir A. Linkhorst et al. 10.1002/lno.11410
- Contrasting methane emissions from upstream and downstream rivers and their associated subtropical reservoir in eastern China L. Yang 10.1038/s41598-019-44470-2
- A state-of-the-art review of greenhouse gas emissions from Indian hydropower reservoirs A. Kumar et al. 10.1016/j.jclepro.2021.128806
- Greenhouse gas emissions from hydroelectric reservoirs: mechanistic understanding of influencing factors and future prospect A. Kumar et al. 10.1007/s11356-023-25717-y
- The Global Methane Budget 2000–2017 M. Saunois et al. 10.5194/essd-12-1561-2020
- Emission of greenhouse gases from French temperate hydropower reservoirs V. Chanudet et al. 10.1007/s00027-020-00721-3
- First Assessment of Inorganic Nitrogen Deposition Budget Following the Impoundment of a Subtropical Hydroelectric Reservoir (Nam Theun 2, Lao PDR) M. Adon et al. 10.1029/2018JD029027
- Changing sources and processes sustaining surface CO<sub>2</sub> and CH<sub>4</sub> fluxes along a tropical river to reservoir system C. Soued & Y. Prairie 10.5194/bg-18-1333-2021
- Greenhouse gas emissions from a semi-arid tropical reservoir in northeastern Brazil M. Rodriguez & P. Casper 10.1007/s10113-018-1289-7
- Greenhouse gas measurement from Chinese freshwater bodies: A review A. Kumar et al. 10.1016/j.jclepro.2019.06.052
- Methane and Nitrous Oxide Emissions From an Anthropogenically Transformed Lake (Lake Licheńskie, Poland) M. Woszczyk & C. Schubert 10.1029/2023JG007594
- Estimation of carbon stock for greenhouse gas emissions from hydropower reservoirs A. Kumar et al. 10.1007/s00477-018-1608-z
- Methane and nitrous oxide annual emissions from an old eutrophic temperate reservoir S. Descloux et al. 10.1016/j.scitotenv.2017.04.066
- The global methane budget 2000–2012 M. Saunois et al. 10.5194/essd-8-697-2016
2 citations as recorded by crossref.
- Low methane (CH<sub>4</sub>) emissions downstream of a monomictic subtropical hydroelectric reservoir (Nam Theun 2, Lao PDR) C. Deshmukh et al. 10.5194/bg-13-1919-2016
- Nam Theun 2 Reservoir four years after commissioning: significance of drawdown methane emissions and other pathways D. Serça et al. 10.1051/hydro/2016001
Saved (preprint)
Latest update: 03 May 2024
Short summary
Methane (CH4) emissions from hydroelectric reservoirs could represent a significant fraction of global CH4 emissions from inland waters. The monitoring of methane emissions every 2 weeks at nine stations in a subtropical hydroelectric reservoir revealed that emissions could occasionally be 1 to 2 orders of magnitude higher than expected for these man-made ecosystems. Upstream of the water intake, emissions are enhanced by the water column mixing that upwells CH4-rich water to the surface.
Methane (CH4) emissions from hydroelectric reservoirs could represent a significant fraction of...
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