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首页> 外文期刊>Bioenergy research >Climate Impact of Willow Grown for Bioenergy in Sweden
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Climate Impact of Willow Grown for Bioenergy in Sweden

机译：柳树对瑞典生物能源的气候影响

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Short-rotation coppice willow (SRCW) is a fast-growing and potentially high-yielding energy crop. Transition to bioenergy has been identified in Sweden as one strategy to mitigate climate change and decrease the current dependency on fossil fuel. In this study, life cycle assessment was used to evaluate and compare the climate impacts of SRCW systems, for the purpose of evaluating key factors influencing the climate change mitigation potential of SRCW grown on agricultural land in Sweden. Seven different scenarios were defined and analysed to identify the factors with the most influence on the climate. A carbon balance model was used to model carbon fluxes between soil, biomass and atmosphere under Swedish growing conditions. The results indicated that SRCW can act as a temporary carbon sink and therefore has a mitigating effect on climate change. The most important factor in obtaining a high climate change-mitigating effect was shown to be high yield. Low yield gave the worst mitigating effect of the seven scenarios, but it was still better than the effect of the reference systems, district heating produced from coal or natural gas.
机译：短轮矮灌木柳（SRCW）是一种快速生长且潜在高产的能源作物。在瑞典，向生物能源的过渡已被确定为缓解气候变化和减少当前对化石燃料依赖的一种策略。在这项研究中，使用生命周期评估来评估和比较SRCW系统对气候的影响，目的是评估影响瑞典农业土地上SRCW减缓气候变化潜力的关键因素。定义并分析了七个不同的场景，以识别对气候影响最大的因素。使用碳平衡模型来模拟瑞典生长条件下土壤，生物量和大气之间的碳通量。结果表明，SRCW可以充当临时碳汇，因此对气候变化具有缓解作用。获得高减缓气候变化影响的最重要因素是高产。低产量给出了这七个方案中最差的缓解效果，但仍优于参考系统的效果，即煤或天然气产生的区域供热。

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