Methane and carbon dioxide emissions from tropical reservoirs: Significance of downstream rivers
作者： Frédéric Guérin , Gwenaël Abril , Sandrine Richard , Benoît Burban , Cécile Reynouard
DOI: 10.1029/2006GL027929
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摘要: [1] Methane (CH4) andcarbon dioxide (CO2) concentrations and water-air fluxes were measured in three tropical reservoirs their respective rivers downstream of the dams. From reservoirs, CH4 CO2 flux range 3 ± 2 254± 392mmol.m � .d 1 ,respectively.Riversdownstreamof dams significantly enriched originating from reservoir hypolimnions. rivers, 60 38 859 400 mmol.m , respectively. Despite relatively small surfaces, accounted for a significant fraction (9– 33% 7–25% CO2) emissions across surfaces classically taken into account reservoirs. A appeared to degas at vicinity dam (turbines spillways), although it could not be
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