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Title: Greenhouse gas emissions from a hydroelectric reservoir (Brazil's Tucuruídam) and the energy policy implications
Authors: Fearnside, Philip Martin
Keywords: Dams
Fossil Fuels
Gas Emissions
Global Warming
Greenhouse Effect
Hydroelectric Power Plants
Land Use
Greenhouse Gases
Air Pollution
Carbon Dioxide
Fossil Fuel
Carbon Dioxide
Energy Policy
Greenhouse Gas
Hydroelectric Power Plant
Air Pollution
Construction Work
Controlled Study
Decision Making
Electric Power Plant
Energy Resource
Exhaust Gas
Greenhouse Effect
Greenhouse Gas
Land Use
Issue Date: 2002
metadata.dc.publisher.journal: Water, Air, and Soil Pollution
metadata.dc.relation.ispartof: Volume 133, Número 1-4, Pags. 69-96
Abstract: Greenhouse gas emissions from hydroelectric dams are often portrayed as nonexistent by the hydropower industry, and have been largely ignored in global calculations of emissions from land-use change. Brazil's Tucuruí Dam provides an example with important lessons for policy debates on Amazonian development and on how to assess the global warming impact of different energy options. Tucuruí is better from the point of view of power density, and hence greenhouse gas emissions per unit of electricity, than both the average for existing dams in Amazonia and the planned dams that, if all built, would flood 3% of Brazil's Amazon forest. Tucuruí's emission of greenhouse gases in 1990 is equivalent to 7.0-10.1 × 106 tons of CO2-equivalent carbon, an amount substantially greater than the fossil fuel emission of Brazil's biggest city, São Paulo. Emissions need to be properly weighed in decisions on dam construction. Although many proposed dams in Amazonia are expected to have positive balances as compared to fossil fuels, substantial emissions indicated by the present study reduce the benefits often attributed to the planned dams.
metadata.dc.identifier.doi: 10.1023/A:1012971715668
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