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中国农学通报 ›› 2019, Vol. 35 ›› Issue (22): 77-83.doi: 10.11924/j.issn.1000-6850.casb18030026

所属专题: 农业气象

• 林学 园艺 园林 • 上一篇    下一篇

北京城市绿地不同下垫面对环境微气候影响研究

商 茹1, 李嘉乐2, 李 薇2, 肖建忠1, 任斌斌2   

  1. 1.河北农业大学园林与旅游学院;2.北京市园林科学研究院
  • 收稿日期:2018-03-06 修回日期:2018-11-19 接受日期:2018-11-22 出版日期:2019-08-13 发布日期:2019-08-13
  • 通讯作者: 任斌斌
  • 基金资助:
    北京市科技计划课题“北京通州区生态绿化城市建设关键技术集成研究”(D171100001817001)。

Different Underlying Surfaces of Urban Green Space in Beijing: Effects on Environmental Microclimate

  • Received:2018-03-06 Revised:2018-11-19 Accepted:2018-11-22 Online:2019-08-13 Published:2019-08-13

摘要: [方法]采用小尺度定量测定方法对北京城市绿地不同下垫面夏季空气温度、相对湿度、舒适度等进行研究。[目的]究明不同绿地下垫面对环境微气候的影响规律,以期为城市绿地规划、设计和建设提供参考与依据。[结果]结果表明:1)下垫面类型与空气温度、相对湿度存在极显著性相关关系,其他16项样地特征要素指标与温、湿度无显著相关关系。2)不同下垫面昼均降温增湿效应排序为乔灌草>乔草>灌草>草地>裸地>水泥地面。3)8:00~18:00,除18:00外,不同下垫面在各时段的降温增湿效应排序与昼均效应一致;各类下垫面的温湿效应(含负效应)在14:00达到最大值,其中,乔灌草型下垫面降温4.50℃,增湿7.45%,水泥地面增温2.03℃,降湿2.82%。4)不同下垫面人体舒适度大体呈现出乔灌草>乔草>灌草>草地>裸地>水泥地面的规律。

关键词: 林业气候资源, 林业气候资源, 综合评价, 突变检测, 黑龙江省

Abstract: [Objective][Method] Different kinds of underlying surfaces of urban green in Beijing are selected to study their air temperature, relative humidity and human body comfort index by using small-scale quantitative measurement method. [Result]The result shows : 1)The type of underlying surfaces have a significant correlation with air temperature and relative humidity, the characteristics of the other sixteen plots have no significant correlation with air temperature and relative humidity. 2)The order of average temperature-humidity effect for different underlying surfaces daily in summer is Tree-shrub-herbage> Tree-herbage > Shrub-herbage > Lawn Bare > Land > Cement pavement. 3)8:00~18:00,except 18:00, the order of the temperature-humidity effect for different underlying surfaces in each period is consistent with the effect of daily average; The effects of temperature-humidity (include negative effect) for the underlying surfaces reach the maximum at 14:00, Tree-shrub-herbage can decrease the air temperature with an average of 4.50 ℃ and increase the relative humidity by 7.45 %, Cement pavement can increase the air temperature with an average of 2.03 ℃ and decrease the relative humidity by 2.82 %. 4)The order of human comfort index for different underlying surface is nearly Tree shrub herbage> Tree herbage > shrub herbage> Lawn Bare> land> Cement pavement.