摘要
选取天津市某社区作为采样点，于2009年8、9月（代表非采暖季）和11、12月（代表采暖季）采集了室内和室外可吸入颗粒物（PM。0）样品，以研究天津市PMl0及元素的室内外相关性．结果表明，采暖季PMlo的室外平均浓度为198．88μg／m3．非采暖季和采暖季PMl0的室内外浓度LL（I/O比值）的变化范围分别为0．14～3．22和0．10-3．70，平均值分别为0．88和O．96，室内外相关系数（R2）分别为0．32和0．46．AI、Ca、Fe等元素的浓度均高于1μg／m3,V、Mn、Cu等元素浓度变化范围为0．01～1Hg/m3；非采暖季和采暖季元素I／O比值的变化范围分别为0．62～1．04和0．41加．92．以采暖季为例，使用PMl0质量（元素）浓度的质量平衡模型计算的有效穿透因子（Find、贡献值、贡献率分别为0．26（0．39）、50．84μg／m3（78．69μg／m0）、43．97％（50．05％），两种结果存在差异的原因是2种模型对E。f的假设不同．
In order to investigate the relationships of indoor and outdoor particulate matter （PM10） in Tianjin, researchers collected indoor and outdoor PMI0 samples in a community in 2009 August, September（represent non-heating season）, November and December （represent heating season）. The results demonstrate that the average concentration of PM10 in heating season is 198.88gg/m3. The variation ranges of PM10 indoor-outdoor ratio in non-heating and heating season are 0.14-3.22 and 0.10~3.70, respectively, and the average values are 0.88 and 0.98, respectively. The correlation coefficients of indoor and outdoor PM10 are 0.32 and 0.46 in non-heating and heating seasons, respectively. The concentrations of several elements, such as aluminum, calcium and iron, are exceeding 1 μg/m3. The variation range of concentrations of vanadium, manganese and copper is from 0.01μg/m3 to lμg/m3. The non-heating season and heating season elements I/O value variation range are 0.62-1.04 and 0.41-0.92. Take heating season for example, the infiltration factor （For）, contribution and contribution rate calculated by mass balance model using PM10 mass concentrations （element） are 0.26（0.39）,50.84μg/mS（78.69μg/m3）, 43.97%（50.05%）, respectively. The difference between both results attributes to the different assumin,s on infiltration factor.
出处
《中国环境科学》
EI
CAS
CSCD
北大核心
2013年第2期357-364,共8页
China Environmental Science
基金
国家自然科学基金资助项目(20977054)
