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CHAPTER NINETEEN
Hydropower
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Exhibit 19-3

Some Key Factors Influencing Reservoir Emissions

Reservoirs do emit some greenhouse gasses, particularly methane and also carbon dioxide. The gasses are formed and released due to factors such as decomposition of flooded plants, repeated when water levels fluctuate; growth and decomposition of aquatic plants and plankton; carbon inputs from runoff in the watershed; and degassing by the water when it falls from the reservoir to the stream below through floodgates or a hydroelectric plant.

For more information on this exhibit, please contact the Comptroller’s Data Services Division at 512-463-4900 or at P.O. Box 13528, Austin, Texas 78711-3528.

Source: International Rivers Network.

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