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Estimating historical landfill quantities to predict methane emissions

机译:估算历史垃圾填埋量以预测甲烷排放量

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摘要

There are no observations for methane emissions from landfill waste in Ireland. Methane emissions are imputed from waste data. There are intermittent data on waste sent to landfill. We compare two alternative ways to impute the missing waste " data" and evaluate the impact on methane emissions. We estimate Irish historical landfill quantities from 1960-2008 and Irish methane emissions from 1968-2006. A model is constructed in which waste generation is a function of income, price of waste disposal and, household economies of scale. A transformation ratio of waste to methane is also included in the methane emissions model. Our results contrast significantly with the Irish Environmental Protection Agency's (EPA) figures due to the differences in the underlying assumptions. The EPA's waste generation and methane emission figures are larger than our estimates from the early 1990s onwards. Projections of the distance to target show that the EPA overestimates the required policy effort. © 2010 Elsevier Ltd.
机译:爱尔兰没有观察到垃圾填埋场产生的甲烷排放量。甲烷排放量来自废物数据。关于发送到垃圾填埋场的废物,有间歇性数据。我们比较了两种替代方法来估算丢失的废物“数据”并评估对甲烷排放的影响。我们估算了1960-2008年爱尔兰的历史垃圾填埋场数量和1968-2006年爱尔兰的甲烷排放量。构建了一个模型,其中废物产生是收入,废物处置价格和家庭规模经济的函数。甲烷排放模型中还包括废物向甲烷的转化率。由于基本假设的差异,我们的结果与爱尔兰环境保护局(EPA)的数据形成了鲜明对比。 EPA的废物产生和甲烷排放量数据大于我们从1990年代初以来的估计。对目标距离的预测表明,EPA高估了所需的政策工作。 ©2010爱思唯尔有限公司。

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