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基于重心模型,测算我国2000—2012年煤炭消费量、二氧化硫排放的重心移动轨迹,进而系统探究二者的时空演变规律。对比分析煤炭消费与二氧化硫排放的关系,为我国煤炭行业的健康发展与大气污染防治的合理布局提供参考。研究表明,2000—2012年,煤炭消费重心和二氧化硫排放重心位于河南省,二者演变呈正相关。煤炭消费重心由东向西移动。2003—2008年重心在北纬34.55°~34.65°、东经114.2°~114.4°之间呈现不规则偏移,最后移向西北。二氧化硫排放重心由东南向西北移动。2004—2009年间先折向东北后折返,最后向西北移动。两重心受经济控制和国家政策、脱硫技术影响下向我国几何中心偏移,区域分布趋于平衡。发展低能耗产业,进行煤炭脱硫技术的革新,对于煤炭消费与二氧化硫排放的控制有重要意义。
Based on the model of center of gravity, the trajectory of the center of gravity of coal consumption and sulfur dioxide emissions in China from 2000 to 2012 is estimated, and then the temporal and spatial evolution of the two are systematically explored. By comparing the relationship between coal consumption and sulfur dioxide emissions, it provides a reference for the healthy development of China’s coal industry and the rational distribution of air pollution prevention and control. Research shows that from 2000 to 2012, the focus of coal consumption and sulfur dioxide emissions center of gravity is located in Henan Province, the two showed a positive correlation. The focus of coal consumption moves from east to west. In 2003-2008, the center of gravity shifted irregularly from 34.55 ° to 34.65 ° N and from 114.2 ° to 114.4 ° E and finally to the northwest. The focus of sulfur dioxide emissions from southeast to northwest. 2004-2009 first turn to the northeast after the return, and finally move to the northwest. Under the influence of economic control, national policies and desulfurization technologies, the dual center of gravity shifts to the geometric center of China and the regional distribution tends to balance. The development of low-energy industries, the coal desulfurization technology innovation, for coal consumption and sulfur dioxide emissions control is of great significance.