Development of an urban FEW nexus online analyzer to support urban circular economy strategy planning
Development of an urban FEW nexus online analyzer to support urban circular economy strategy planning
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开发城市FEW Nexus在线分析仪支持城市循环经济战略规划
DOI：
10.1016/j.energy.2018.08.198
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发表时间：
2018-12
期刊：
影响因子：
9
通讯作者：
Sergio Ulgiati
中科院分区：
文献类型：
--
作者：
Xue Jingyan;Liu Gengyuan;Marco Casazza;Sergio Ulgiati
全球城市人口的增长，特别是城市人口的增长，对粮食、能源和水（FEW）提出了粮食安全、水安全以及能源短缺等紧迫挑战，目前对城市FEW关系的研究主要集中在元素对的相关性分析上，而这些工作都是单独开展的。在研究方法上，现有的研究多采用自下而上的方法，考虑到各个生产部门之间的直接关系。而对系统内部要素之间的关联还缺乏模拟。在这项研究中，我们的目标是为城市开发一个在线开放获取工具，城市循环经济计算器（UCEC），它可以开发与FEW管理相关的不同循环经济场景。UCEC v1.0使用北京数据作为测试用例。特别是，选择了与食品，能源和水有关的20多项循环经济政策，并将其分为6类。提供了对社会、经济和环境影响的长期模拟，以测试政策效果的轨迹。作为一个开放获取的工具，UCEC也可用于支持作为城市管理工具的参与进程。由于技术要求低，该解决方案在经济和财务上都是可行的。社会需要向低碳和可持续框架过渡，这证明了这种工具的必要性，而循环经济的引入可以有效地支持这种过渡。这种转变，例如UCEC背后的想法，应该保护（甚至改善）社会福祉，同时增加基本资源（即：（少数）可获得性、安全性和保存。
Growth of urban population around the world and, particularly, within urban areas, has placed various pressing challenges on Food, Energy, and Water (FEW) such as food security, water safety as well as energy scarcity and so on. Current studies on urban FEW nexus are mainly focused on the correlation analysis of elements by pairs, while these works are developed separately. With respect to the methods, the existing researches mostly adopt the bottom-up approach, accounting for the direct relationship between the individual production sectors. While the associations between the internal elements of the system still lack of simulation. In this study, we aim at developing an online open access tool for cities, the Urban Circular Economy Calculator (UCEC), which enables to develop different circular economy scenarios associated to FEW management. UCEC v1.0 uses Beijing data as test case. In particular, more than 20 circular economy policies related on food, energy and water are selected and divided into 6 categories. Long-term simulations on the social, economic and environmental impacts are provided to test the trajectories of policy effects. Being an open access tool, UCEC can be used also for supporting participatory processes as an urban management instrument. The solution is economically and financially feasible, due to the low level of technical requirements. The necessity of such a tool is proved by the societal need of transition toward a low-carbon and sustainable framework, which can be effectively supported by the introduction of circular economy. This transition, such as the idea behind UCEC, should preserve (or even improve) the societal wellbeing, while increasing basic resources (i.e.: FEW) accessibility, security and preservation.
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