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优化空间形态、减少碳排放已成为构建低碳城市的关键举措。国内外学者已经证实空间形态对交通碳排放的显著影响,但其对建筑碳排放影响方面的研究相对不足。本文通过对北京1188份家庭碳排放问卷进行统计分析,发现人均住房面积每增加1%,建筑碳排放增加0.48%;家庭每增加1人,建筑碳排放量增加27.54%;家庭人均收入对于建筑碳排放有阶段性影响,呈曲线关系;人口密度与家庭建筑碳排放存在负向关系。因此,北京可通过构建紧凑型城市、加强房地产市场住房面积调控以及提升中高收入人群低碳意识等政策,降低家庭建筑碳排放,构建低碳城市。
Optimizing the space shape and reducing carbon emissions have become the key measures for building low-carbon cities. Scholars at home and abroad have confirmed the significant impact of space morphology on traffic carbon emissions, but their research on the impact of building carbon emissions is relatively inadequate. Based on the statistical analysis of 1188 household carbon emission questionnaires in Beijing, we find that for every 1% increase in per capita housing area, construction carbon emissions increase by 0.48%; for every additional household, the carbon emissions in construction increase by 27.54%; household per capita income for construction carbon Emissions have a phased impact, showing a curve relationship between population density and carbon emissions of home construction there is a negative relationship. Therefore, Beijing can reduce home-building carbon emissions and build a low-carbon city through such policies as building a compact city, strengthening housing market control in the real estate market, and raising awareness of low-carbon awareness among middle and high-income earners.