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夏季3种生境森林内空气颗粒物变化特征

段文军 王成 张昶 宋阳 郝泽周 徐心慧 金一博 王子研

段文军, 王成, 张昶, 宋阳, 郝泽周, 徐心慧, 金一博, 王子研. 夏季3种生境森林内空气颗粒物变化特征[J]. 北京林业大学学报, 2017, 39(5): 73-81. doi: 10.13332/j.1000-1522.20160358
引用本文: 段文军, 王成, 张昶, 宋阳, 郝泽周, 徐心慧, 金一博, 王子研. 夏季3种生境森林内空气颗粒物变化特征[J]. 北京林业大学学报, 2017, 39(5): 73-81. doi: 10.13332/j.1000-1522.20160358
DUAN Wen-jun, WANG Cheng, ZHANG Chang, SONG Yang, HAO Ze-zhou, XU Xin-hui, JIN Yi-bo, WANG Zi-yan. Variation of particle matters in three forests under different habitats in summer[J]. Journal of Beijing Forestry University, 2017, 39(5): 73-81. doi: 10.13332/j.1000-1522.20160358
Citation: DUAN Wen-jun, WANG Cheng, ZHANG Chang, SONG Yang, HAO Ze-zhou, XU Xin-hui, JIN Yi-bo, WANG Zi-yan. Variation of particle matters in three forests under different habitats in summer[J]. Journal of Beijing Forestry University, 2017, 39(5): 73-81. doi: 10.13332/j.1000-1522.20160358

夏季3种生境森林内空气颗粒物变化特征

doi: 10.13332/j.1000-1522.20160358
基金项目: 

“十三五”国家科技支撑计划项目 2015BAD07B06

详细信息
    作者简介:

    段文军,博士生。主要研究方向:城市森林与居民健康。Email:wenjunduan126@126.com   地址:100091 北京市海淀区香山路东小府1号中国林业科学研究院林业研究所

    责任作者:

    王成,研究员,博士生导师。主要研究方向:城市森林与城市生态。Email: wch8361@163.com   地址:同上

  • 中图分类号: S725.3;S788.2

Variation of particle matters in three forests under different habitats in summer

  • 摘要: 研究不同生境类型城市森林内空气颗粒物的变化特征及其影响因素,为休闲保健型城市森林的营造提供理论依据。于2015年夏季对深圳园山山麓(SL)、河谷(HG)和山脊(SJ)3种典型生境类型城市森林内的空气颗粒物(TSP、PM10、PM2.5、PM1)进行昼夜24h监测,并同步观测气象因子,分析3种森林内颗粒物质量浓度的变化规律及影响因素。结果表明:1)深圳园山3种生境城市森林内TSP、PM10质量浓度日均值都达到二类环境功能区质量要求,其中HG、SJ的TSP质量浓度甚至达到一类环境功能区质量要求(120μg/m3);PM2.5质量浓度日均值都达到一类环境功能区质量要求(35μg/m3)。2)不同生境林地内各粒径颗粒物质量浓度存在差异,4种粒径颗粒物日均质量浓度在SJ均为最低(分别为85.51、58.82、14.29、5.13μg/m3);TSP、PM10质量浓度在SL最高(分别为162.19、95.39μg/m3);PM2.5、PM1质量浓度在HG最高(分别为21.76、8.29μg/m3)。3)3种林地内4种粒径颗粒物质量浓度总体表现为白天低、夜间高的特点,高峰出现在01:00—07:00,低谷出现于11:00—15:00。4)3种林地间相对湿度、风速、气压等气象因子存在差异;林内4种粒径颗粒物质量浓度与温度、风速表现为显著负相关,与相对湿度呈显著正相关,颗粒物质量浓度变化受多种气象因子共同影响。基于上述研究认为,深圳园山3种生境类型城市森林均为人们提供了一个相对健康的森林游憩环境,人们在11:00—15:00进行森林游憩最为适宜。

     

  • 图  1  试验样地位置示意图

    Figure  1.  Location of Yuanshan Park in Shenzhen City and sampling sites

    图  2  各样地内4种空气颗粒物浓度的日变化

    Figure  2.  Diurnal variations of four kinds of particle concentrations in each plot

    图  3  各样地内小粒径颗粒物所占比例的日变化

    每个时刻的4个系列依次代表SL、HG、SJ和CK。

    Figure  3.  Diurnal variations of fine particle's proportions in each plot

    The 4 series of each time represent SL, HG, SJ and CK in order.

    表  1  各样地内空气颗粒物的质量浓度日均值及小粒径颗粒物所占比例

    Table  1.   Daily mean values of particle matters mass concentrations in each plots and the proportions of fine particles

    样地
    Sample plot
    TSP/(μg·m-3) PM10/(μg·m-3) PM2.5/(μg·m-3) PM1/(μg·m-3) 比例Proportion/%
    PM10/TSP PM2.5/PM10 PM1/PM2.5
    SL 162.19±18.84aA 95.39±10.01aA 19.88±1.25aA 7.67±0.44aA 58.81±0.81bB 20.86±1.08dCD 38.58±0.23aA
    HG 94.62±12.29bB 62.55±7.78bB 21.76±2.51aA 8.29±0.84aA 66.11±0.78aA 34.79±0.42bB 38.10±0.55aA
    SJ 85.51±7.94bB 58.82±5.32bB 14.29±0.60bB 5.13±0.24bB 68.79±0.67aA 24.29±1.56cC 35.89±0.25bB
    CK 127.71±6.11aA 72.30±3.65bAB 14.73±0.60bB 4.40±0.28bB 56.61±0.68bB 20.37±0.62dD 29.87±0.82cC
    注:TSP.总悬浮颗粒物;PM10.可吸入颗粒物;PM2.5.可吸入细颗粒物;PM1.超细颗粒物。不同大、小写字母分别代表处理均值在P<0.01和P<0.05水平存在显著性差异,下同。Notes: TSP, total suspended particulate; PM10, particulate matter of less than 10μm; PM2.5, particulate matter of less than 2.5μm; PM1, particulate matter of less than 1μm. Different capital and lowercase letters denote significant differences among treatments at P<0.01 and P<0.05 levels, respectively. The same as below.
    下载: 导出CSV

    表  2  各样地内气象因子的日均值

    Table  2.   Daily mean values of meteorological factors in each plot

    样地
    Sample plot
    温度
    Temperature/℃
    相对湿度
    Relative humidity/%
    露点温度
    Dew point temperature/℃
    气压
    Air pressure/Pa
    风速Wind velocity/(m·s-1)
    平均
    Average
    最大
    Maximum
    SL 27.64±0.23bB 90.89±0.73aA 26.28±0.21bB 991.42±0.76bB 0.28±0.06bB 0.57±0.10cC
    HG 27.86±0.21bB 92.22±0.89aA 26.58±0.13abAB 986.19±0.75cC 0.29±0.09bB 0.44±0.12cC
    SJ 27.75±0.27bB 86.80±1.20bB 25.29±0.11cC 973.54±0.72dD 0.94±0.19aA 1.46±0.19bB
    CK 31.05±0.28aA 74.23±1.30cC 26.93±0.18aA 1001.87±0.77aA 0.85±0.13aA 2.61±0.29aA
    下载: 导出CSV

    表  3  不同粒径空气颗粒物质量浓度与气象因素的相关系数

    Table  3.   Correlation coefficients of different kinds of particle concentrations and meteorological factors

    类型
    Type
    空气温度
    Air temperature
    相对湿度
    Relative humidity
    露点温度
    Dew point temperature
    气压
    Air pressure
    平均风速
    Average wind velocity
    最大风速
    Maximum wind velocity
    TSP -0.639 ** 0.701** -0.450** 0.553** -0.472** -0.368*
    PM10 -0.525** 0.771** -0.587** 0.449** -0.420* -0.320
    PM2.5 -0.794** 0.787** -0.584** 0.257 -0.448** -0.381*
    PM1 -0.793** 0.807** -0.554** 0.277 -0.404* -0.349*
    注:*为显著相关(P < 0.05),**为极显著相关(P < 0.01)。Notes:* indicates significant correlation at P < 0.05 level,** indicates very significant correlation at P < 0.01 level.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-11-07
  • 修回日期:  2017-02-22
  • 刊出日期:  2017-05-01

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