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期刊杂志

    西湖景区滨水绿地植物群落可吸入颗粒物PM10浓度变化规律

    关键词:风景园林;可吸入颗粒物PM10;滨水绿地;植物群落;西湖

    Key words:landscape architecture; PM10; The waterfront green space; plant community; West Lake

    摘要:对杭州西湖景区花港观鱼、太子湾公园、乌龟潭等具有代表性滨水绿地植物群落的可吸入颗粒物PM10浓度进行了测定,并进行相关的分析。结果表明:1)PM10日变化规律中,PM10浓度变化趋势为由高到低再逐渐升高,在9:00—10:00时间段质量浓度最高;2)植物群落PM10年浓度变化排序为:秋季>夏季>春季>冬季,冬天PM10浓度平均值为0.049 1mg·m-3,接近一级标准,空气质量非常好;3)不同结构植物群落PM10由高到低依次为:对照>草坪>灌草>乔草>乔灌草,PM10各种绿地类型明显低于道路。

    Abstract:The representative water region plant communities of the Huagangguanyu Park, Prince Bay Park, and Turtle Pond Park were selected to measure and analyze PM10. The experiment showed the following results: 1) the change feature of PM10 diurnal variation trends from high to low and then gradually rise again, and it gets peaks from 9:00 to 10:00; 2) the order of plant communities' PM10 concentrations is: Autumn > Summer > Spring > Winter, and the winter PM10 concentration is 0.0491mg∙m-3, which is close to the level 1 standard, and the air quality is very good; 3) the order of PM10 concentrations of different structures of plant communities is: contrast > lawn > shrub-grass > arbor-grass > arbor-bush-grass, and the PM10 figures of all kinds of green space types are obviously lower than that of road.