陕西省大气环境承载力分析  

Bearing capacity of atmospheric environment in Shaanxi Province

作　　者：张侠[1] 胡琳[1] 李茜[1] 王琦[1] 樊敏[2] 田亮[1] ZHANG Xia;HU Lin;LI Qian;WANG Qi;FAN Min;TIAN Liang(Shaanxi Provincial Climate Center,Xi’an 710015,Shaanxi,China;Southwest University of Science and Technology,Mianyang 621010,Sichuan,China)

机构地区：[1]陕西省气候中心,陕西西安710015 [2]西南科技大学,四川绵阳621010

出　　处：《干旱区地理》2018年第4期712-717,共6页Arid Land Geography

基　　金：陕西省自然科学基础研究计划项目(2014JM2-4038);陕西省气象局科技创新基金计划项目(2015M-36)

摘　　要：以陕西省大气环境中SO_2和PM_(10)作为评估对象进行大气环境承载力研究,采用烟云足迹分析法计算了陕西省2010—2013年环境容量系数A值和SO_2、PM_(10)环境承载力的时空分布状况。结果表明:陕西省环境容量系数A值变化范围较大,2010—2013年全省年平均A值变化范围为1~5,陕北地区环境容量系数A值最大,其次为关中,陕南最小,2010—2013年关中地区西安、宝鸡和渭南呈现出逐年下降的趋势。SO_2环境承载力全省整体上2010—2013年变化范围为-148 578.04^-189 149.59 km^2,4 a SO_2承载力均无余额,其中渭南和西安SO_2承载力严重不足且呈下降趋势;PM_(10)环境承载力全省整体上2010—2013年变化范围为12 701.47~44 511.02 km^2,4 a PM_(10)承载力均有余额,全省各市除渭南和铜川外4 a均有余额,但总体呈下降趋势。In recent years,the atmospheric environmental pollution in Shaanxi Province,China has been more and more serious due to its complex terrain and fast urbanization. Therefore, it is meaningful to improve air quality, pro- mote coordinated development between economy and environment through comprehensively understanding the bear- ing capacity of atmospheric environment in Shaanxi Province. Based on the observed meteorological data from 98 meteorological stations ,this study took the annual average emissions of 502 and PM10 as evaluation objectives from 2010 to 2013 in Shaanxi Province. The study also analyzed the spatial and temporal distributions of the environmen- tal capacity coefficient （A） and bearing capacities of atmospheric environment for SO2 and PM10 through plume foot- print analysis approach based on the analysis of ecological footprint. The results were shown as follows ： （ 1 ） The varied magnitude of environmental capacity coefficient （A） was large, and the average value of environmental ca- pacity coefficient （A） in the whole Shaanxi Province was ranged from 1 to 5. The largest value of environmental ca- pacity coefficient （A） occurred in Yulin City which is located in the north of Shaanxi Province,and its correspond- ing values were ranged from 4 to 5. The second largest value of environmental capacity coefficient （A） appeared in Tongchuan City which is located in central Shaanxi Province, and the varied range of its corresponding values was from 3 to 4. The lowest value of environmental capacity coefficient （A） was in Hanzhong City which is located in the south of Shaanxi Province, and the corresponding values were from 1 to 1.5. In particular, the environmental ca- pacity coefficients （A） of Xi ＇an, Baoji, and Weinan cities were gradually decreased from 2010 to 2013. （2） The bearing capacities of SO2 across Shaanxi Province were larger than critical values during 2010--2013, and the val- ues of bearing capacities of SO2 were negative and ranged from - 148 578

关 键 词：环境容量系数 大气环境承载力 烟云足迹分析法 陕西省 

分 类 号：X16[环境科学与工程—环境科学]