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Methane and carbon dioxide emissions from tropical reservoirs: Significance of downstream rivers
Open accessAbstract
Methane (CH 4) and carbon dioxide (CO 2) concentrations and water‐air fluxes were measured in three tropical reservoirs and their respective rivers downstream of the dams. From reservoirs, CH 4 and CO 2 flux were in the range of 3 ± 2 and 254 ± 392 mmol.m−2.d−1, respectively. Rivers downstream of dams were significantly enriched in CH 4 and CO 2 originating from reservoir hypolimnions. From rivers, CH 4 and CO 2 flux were in the range of 60 ± 38 and 859 ± 400 mmol.m−2.d−1, respectively. Despite their relatively small surfaces, rivers downstream of dams accounted for a significant fraction (9–33% for CH 4 and 7–25% for CO 2) of the emissions across the reservoir surfaces classically taken into account for reservoirs. A significant fraction of CH 4 appeared to degas at the vicinity of the dam (turbines and spillways), although it could not be quantified.
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Cited by
The Global Methane Budget 2000–2017
Saunois, M., Stavert, A. R., Poulter, B., Bousquet, P., Canadell, J. G., Jackson, R. B., Raymond, P. A., Dlugokencky, E. J., Houweling, S., Patra, P. K., et al. (2019) · doi:10.5194/essd-2019-128 · Cited by 2,760
The Global Methane Budget 2000–2017
Saunois, M., Stavert, A. R., Poulter, B., Bousquet, P., Canadell, J. G., Jackson, R. B., Raymond, P. A., Dlugokencky, E. J., Houweling, S., Patra, P. K., et al. (2020) · Earth System Science Data · doi:10.5194/essd-12-1561-2020 · Cited by 2,711
Half of global methane emissions come from highly variable aquatic ecosystem sources
Rosentreter, J. A., Borges, A. V., Deemer, B. R., Holgerson, M. A., Liu, S., Song, C., Melack, J., Raymond, P. A., Duarte, C. M., Allen, G. H., et al. (2021) · Nature Geoscience · doi:10.1038/s41561-021-00715-2 · Cited by 1,061
Carbon emission from hydroelectric reservoirs linked to reservoir age and latitude
Barros, N., Cole, J. J., Tranvik, L. J., Prairie, Y. T., Bastviken, D., Huszar, V. L. M., del Giorgio, P., & Roland, F. (2011) · Nature Geoscience · doi:10.1038/ngeo1211 · Cited by 770
Extreme Methane Emissions from a Swiss Hydropower Reservoir: Contribution from Bubbling Sediments
DelSontro, T., McGinnis, D. F., Sobek, S., Ostrovsky, I., & Wehrli, B. (2010) · Environmental Science & Technology · doi:10.1021/es9031369 · Cited by 300
Metadata
- Authors
- Guérin, F., Abril, G., Richard, S., Burban, B., Reynouard, C., Seyler, P., & Delmas, R.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2006-11
- Volume
- 33
- Issue
- 21
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2034248308
- Cited by
- 245
- References
- 0
- FWCI
- 5.48
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Guérin, F., Abril, G., Richard, S., Burban, B., Reynouard, C., Seyler, P., & Delmas, R. (2006). Methane and carbon dioxide emissions from tropical reservoirs: Significance of downstream rivers. Geophysical Research Letters. https://doi.org/10.1029/2006gl027929
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