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Hydroelectric Dams in the Brazilian Amazon as Sources of ‘Greenhouse’ Gases
Abstract
Existing hydroelectric dams in Brazilian Amazonia emitted about 0.26 million tons of methane and 38 million tons of carbon dioxide in 1990. The methane emissions represent an essentially permanent addition to gas fluxes from the region, rather than a one-time release. The total area of reservoirs planned in the region is about 20 times the area existing in 1990, implying a potential annual methane release of about 5.2 million tons. About 40% of this estimated release is from underwater decay of forest biomass, which is the most uncertain of the components in the calculation. Methane is also released in significant quantities from open water, macrophyte beds, and above-water decay of forest biomass.
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Citations
Cited by
Lakes and reservoirs as regulators of carbon cycling and climate
Tranvik, L. J., Downing, J. A., Cotner, J. B., Loiselle, S. A., Striegl, R. G., Ballatore, T. J., Dillon, P., Finlay, K., Fortino, K., Knoll, L. B., et al. (2009) · Limnology and Oceanography · doi:10.4319/lo.2009.54.6_part_2.2298 · Cited by 2,714
Hydropower and the future of Amazonian biodiversity
Lees, A. C., Peres, C. A., Fearnside, P. M., Schneider, M., & Zuanon, J. A. S. (2016) · Biodiversity and Conservation · doi:10.1007/s10531-016-1072-3 · Cited by 372
Self-citationThe roles and movements of actors in the deforestation of Brazilian Amazonia
Fearnside, P. M. (2008) · Ecology and Society · doi:10.5751/es-02451-130123 · Cited by 305
Self-citationLarge-scale impacts of hydroelectric development
Rosenberg, D. M., Berkes, F., Bodaly, R. A., Hecky, R. E., Kelly, C. A., & Rudd, J. W. (1997) · Environmental Reviews · doi:10.1139/a97-001 · Cited by 282
Fearnside, P. M. (2016) · World Development · doi:10.1016/j.worlddev.2015.08.015 · Cited by 274
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Metadata
- Authors
- Fearnside, P. M.
- Venue
- Environmental Conservation
- Publisher
- Cambridge University Press (CUP)
- Published
- 1995
- Volume
- 22
- Issue
- 1
- Pages
- 7-19
- ISSN
- 0376-8929 (ISSN-L)
- 1469-4387
- OpenAlex
- W2167227304
- Cited by
- 228
- References
- 0
- FWCI
- 11.11
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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