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可吸入颗粒物与城市经济社会发展因素的相关性研究 被引量:1
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作者 刘严萍 王磊 《华北理工大学学报(社会科学版)》 2017年第1期43-48,共6页
选取可吸入性颗粒物作为反映城市城市环境空气状况的指标,并在综合考虑经济发展水平、能耗强度、能耗结构的基础上,选取能够反映城市经济社会发展水平的相关指标,以北京为研究区,通过统计年鉴获取2000-2014年相关数据,进行相关性分析实... 选取可吸入性颗粒物作为反映城市城市环境空气状况的指标,并在综合考虑经济发展水平、能耗强度、能耗结构的基础上,选取能够反映城市经济社会发展水平的相关指标,以北京为研究区,通过统计年鉴获取2000-2014年相关数据,进行相关性分析实证研究。研究结果表明:工业能耗、生活消费中的煤炭能耗与可吸入性颗粒物浓度显著正相关,第三产业中的交通业与可吸入性颗粒物浓度显著负相关,生活消费中的电力、天然气能耗量均与可吸入性颗粒物量显著负相关,园林绿化面积与可吸入性颗粒物量呈现显著负相关。 展开更多
关键词 可吸入颗粒物 相关性分析 城市经济社会因素
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The Impact of Land Reform on Land Market Activity in Rwanda and Suggestions in Support of Sustainable Urban Development
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作者 David Niyonsenga Antje Ilberg David Nkurunziza 《Journal of Civil Engineering and Architecture》 2018年第1期75-81,共7页
After a trial period between 2008 and 2010, the LTRP (Land Tenure Regularization Program) was implemented in Rwanda. The program is the consequent implementation of the National Land Policy (2004), which initiated... After a trial period between 2008 and 2010, the LTRP (Land Tenure Regularization Program) was implemented in Rwanda. The program is the consequent implementation of the National Land Policy (2004), which initiated the reform of the administration of land. With the LTRP, titles to land were registered in the name of every landholder to unlock the potentialities for sustainable growth based on a clear framework, equally valid to all landholders. This paper describes the changes in land and property market activity after the reforms and comments on increasing development pressure on land which can be observed. It recalls that this new market activity is intended and policy-made as a result of the Land Policy with the land tenure regularization and changed land tenure principles, the EDPRS2 which clearly focuses on enabling the private sector to participate in and drive economic development, and the new urbanization agenda coming with the Vision 2020 and the EDPRS2. Identified factors are also discussed which contribute to the new market values of land and a case study in Kigali is referenced which identified accessibility to an area as the most influencing factor, besides access to services and levels of investment on the land. The importance is now, to keep ensuring and enhancing the positive impact of the policy directions in a sustainable manner for their maximum positive impact on socio-economic progress. Provided are recommendations of how to strategically guide public policies and investment in support of sustainable land market activity and using geospatial technologies. The supportive application of technologies is explored. 展开更多
关键词 GIS land reform land market URBANIZATION Rwanda.
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