摘要
【目的】监测并评价川西林盘环境的小气候和空气质量,以期对传统林盘环境的优化和利用提供参考依据。【方法】选取4种林盘空间类型(林空间、田空间、水空间、宅空间),以广场空间为对照,在春夏秋冬4季的7:00—19:00时段监测5种空间环境小气候和空气质量动态变化。通过Rayman1.2计算生理等效温度(PET值)进行热舒适度评价,通过熵值法(EWM)计算空气质量综合评分(F值)进行空气质量评价。【结果】①广场空间在春夏秋3季的温度显著高于林盘空间,在4季的湿度显著低于林盘空间。②春夏秋3季林空间的热舒适度最佳,冬季宅空间的热舒适度最佳;春秋2季5种空间都可以提供“舒适”的热感觉,其中秋季林空间提供的“舒适”时段最长(占监测时段86%)。③林空间4季的负氧离子浓度显著高于其他空间;广场空间春秋2季的空气颗粒物浓度和4季的空气细菌浓度显著高于其他空间。④4季F值均值最高的是林空间(0.0735),最低的是广场空间(0.0241);春季水空间F值最高(0.1058),冬季广场空间F值最低(0.0146)。【结论】林盘空间能够改善温湿度从而优化环境热舒适度,能够减少空气污染并提高负氧离子浓度从而改善空气质量。
【Objective】The microclimate and air quality of the Linpan in western Sichuan were monitored and evaluated in order to provide reference for the optimization and utilization of the traditional Linpan environment.【Method】Four types of Linpan spaces(forest space,field space,water space,yard space)were selected,and the square space was selected as the control.The dynamic changes of microclimate and air quality of five spaces were monitored from 7:00 to 19:00 in four seasons.Physiological equivalent temperature(PET value)was calculated by Rayman 1.2 to evaluate the thermal comfort,and air quality comprehensive score(F-value)was calculated by entropy weigh method(EWM)to evaluate the air qual⁃ity.【Result】①The temperature of the square space in spring,summer and autumn were significantly higher than that in the Linpan spaces,while the humidity were significantly lower.②The thermal comfort of the forest space in spring,summer and autumn were the best,and the thermal comfort of the yard space in winter was the best.All five types of spaces can provide"comfortable"thermal sensation in spring and autumn,among which the"comfortable"period provided by the forest space in autumn was the longest(accounting for 86%of the monitoring period).③The concentration of negative oxygen ions in forest space was significantly higher than that in other spaces.The concentration of airborne particulate matter in spring and autumn as well as the concentration of airborne bacteria in four seasons in square space were significantly higher than those in other spaces.④The average F value was the highest in forest space(0.0735),while the lowest in square space(0.0241).The F value of water space in spring was the highest(0.1058),and the F value of square space in winter was the lowest(0.0146).【Conclusion】Linpan space can ameliorate temperature and humidity to optimize the thermal comfort,and can also re⁃duce the air pollution and increase the concentration of negative oxygen ions to improve the air quality.
作者
全奕璇
窦志文
叶翔
黄笑
董丽维
毛晓光
冯宇
江明艳
QUAN Yixuan;DOU Zhiwen;YE Xiang;HUANG Xiao;DONG Liwei;MAO Xiaoguang;FENG Yu;JIANG Mingyan(College of Landscape Architecture,Sichuan Agricultural University,Chengdu 611130,China;China Railway Cultural Tourism Investment Group(Chengdu)Health Industry Co.,Ltd.,Chengdu 610041,China)
出处
《四川农业大学学报》
CSCD
北大核心
2024年第5期1085-1095,1104,共12页
Journal of Sichuan Agricultural University
基金
中铁文化旅游投资集团有限公司重点科研项目资助(2021-重点-02)。
关键词
川西林盘
小气候
人体热舒适度
空气质量
Linpan of western Sichuan
microclimate
thermal comfort
air quality
