articleBioScienceOct 5, 2016BRONZE OA

Greenhouse Gas Emissions from Reservoir Water Surfaces: A New Global Synthesis

BRBridget R. DeemerJAJohn A. HarrisonSLSiyue LiJJJake J. BeaulieuTDTonya DelSontro

Chongqing Institute of Green and Intelligent Technology · Environmental Protection Agency

PubMed
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Abstract

Collectively, reservoirs created by dams are thought to be an important source of greenhouse gases (GHGs) to the atmosphere. So far, efforts to quantify, model, and manage these emissions have been limited by data availability and inconsistencies in methodological approach. Here, we synthesize reservoir CH 4 , CO 2 , and N 2 O emission data with three main objectives: (1) to generate a global estimate of GHG emissions from reservoirs, (2) to identify the best predictors of these emissions, and (3) to consider the effect of methodology on emission estimates. We estimate that GHG emissions from reservoir water surfaces account for 0.8 (0.5-1.2) Pg CO 2 equivalents per year, with the majority of this forcing due…

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Topics & keywords

Topics
Keywords
  • Greenhouse gas
  • Environmental science
  • Downstream (manufacturing)
  • Atmosphere (unit)
  • Productivity
  • Forcing (mathematics)
  • Atmospheric sciences
  • Meteorology
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