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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-04-24
摘要
Energy technologies emit greenhouse gases with differing radiative efficiencies and atmospheric lifetimes(1-3). Standard practice for evaluating technologies, which uses the global warming potential (GWP) to compare the integrated radiative forcing of emitted gases over a fixed time horizon(4), does not acknowledge the importance of a changing background 氣候 relative to 氣候 change mitigation targets(5,6). Here we demonstrate that the GWP misvalues the impact of CH4-emitting technologies as mid-century approaches, and we propose a new class of metrics to evaluate technologies based on their time of use. The instantaneous 氣候 impact (ICI) compares gases in an expected radiative forcing stabilization year, and the cumulative 氣候 impact (CCI) compares their time-integrated radiative forcing up to
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