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greenbelt types
    Inhalable Particulate Matter (PM10) Related to Different Green Cover Percentage and Greenbelt Types in Beijing
    北京城区不同绿化覆盖率和绿地类型与空气中可吸入颗粒物(PM10)
    4) The difference of PM10 in different greenbelt types was gained in spring and autumn mainly. The value of PM10 was lower in compound plantation structure than in single structure.
    4)不同绿地类型之间PM10季节性差异主要出现在春季和秋季,并且PM10复合结构低于单一结构。
    Environmental Effects of Different Greenbelt Types in Yichang
    宜昌市城区不同绿地类型环境效应
    Dustfalls were measured in different greenbelt types in Beijing Landscape Scientific Institute and in China Agricultural University respectively.
    并在北京市园林科研所和中国农业大学测定了不同绿地类型上的降尘量。
    3) Annual averages of PM10 were lower in compound plantation structures (arbor-shrub type, shrub-herb type, arbor-shrub-herb type, and arbor-herb type) than in single ones (lawn type, arbor type, and shrub type), however, it was lower obviously in all the sites covered with various greenbelt types when compared with road.
    3)PM10年度平均值各种绿地类型明显低于道路,复层结构(乔灌型、灌草型、乔灌草型、乔草型)低于单一结构。
    The results above indicated that PM10 concentration could be decreased in a certain extend, and the quality of air in downtown of Beijing could be improved by increase of virescence overlay rate and making suitable greenbelt types.
    上述结果表明,提高总体绿化覆盖率和营造合理的绿地类型能够在一定程度上降低城区空气中的PM10浓度,提高空气质量。
    The results indicated that PM10 concentration could be decreased in a certain extent, and the quality of air in downtown of Beijing could be improved by increase of virescence overlay rate and making suitable greenbelt types.
    结果表明,提高总体绿化覆盖率和营造合理的绿地类型能够在一定程度上降低城区空气中的PM10浓度,提高空气质量。
 

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