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| 城市河道绿带宽度对空气温湿度的影响 | |
| 引用本文： | 纪鹏,朱春阳,李树华.城市河道绿带宽度对空气温湿度的影响[J].植物生态学报,2013,37(1):37-44. |
| 作者姓名： | 纪鹏 朱春阳 李树华 |
| 作者单位： | 黑龙江八一农垦大学农学院, 黑龙江大庆 163319; 华中农业大学园艺林学学院, 武汉 430070; 清华大学建筑学院, 北京 100084 |
| 基金项目： | 国家自然科学基金资助项目;黑龙江省自然科学基金项目 |
| 摘 要： | 以北京市北五环清河旁侧8段不同宽度的绿带为研究对象,分别对样地和对照样地的气温和相对湿度进行同步测定,每2h测定一次,每个季节连续测定7天.结果显示:绿带在春、夏、秋季具有增湿降温效应,并且此效应随着绿带宽度的增加而不断增强,夏季的增湿降温效应最强,春、秋季节的增湿降温效应差别不大；绿带在冬季具有保温增湿效应,随着绿带宽度的增加,保温效应不断增强,增湿效应不断减弱.四季中,绿带温湿度变化受环境温度的影响较大,在一天中的14:00-16:00时段,春、夏、秋季增湿降温效应最强；在此时段冬季的保温效应最弱,增湿效应最强. |
| 关 键 词： | 四季 相对湿度 河流廊道 温度 宽度 |
| 收稿时间： | 2012-04-05 |
| 修稿时间： | 2012-11-28 |
Effects of greenbelt width on air temperature and humidity in urban river corridors |
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| JI Peng,ZHU Chun-Yang,LI Shu-Hua.Effects of greenbelt width on air temperature and humidity in urban river corridors[J].Acta Phytoecologica Sinica,2013,37(1):37-44. | |
| Authors: | JI Peng ZHU Chun-Yang LI Shu-Hua |
| Affiliation: | Agronomy College of Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China; College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China; School of Architecture, Tsinghua University, Beijing 100084, China |
| Abstract: | Aims Our purpose is to provide a scientific basis for the construction of urban river corridors. We analyzed the effects of different widths of urban river greenbelts on air temperature and humidity. Methods We studied eight greenbelts with different widths along the fifth ring in Beijing, China during one year. We measured air temperature and relative humidity of the greenbelts near the river and at a control location every two hours from 8:00 to 18:00 for seven continuous days in each season. Important findings The greenbelt width affected the decrease of temperature and increase of humidity in spring, summer and autumn, and the effect increased with greater width. The effect was strongest on temperature and humidity in summer, and there was little difference between spring and autumn. The greenbelt affects the increase of temperature and decrease of humidity in summer. The temperature effect increased and the humidity effect decreased with greater width. The effects of different greenbelt widths on temperature and humidity were related to ambient temperature. It is greatest during the time that temperature was highest (14:00–16:00). The effect of greenbelt width on the decrease of temperature and increase of humidity was strongest in spring, summer and autumn, while the effect on the increase of temperature was weakest and decrease of humidity was strongest in winter. |
| Keywords: | four seasons relative humidity river corridor temperature width |
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