| 王 鑫,苏 维,卜其珍,张鹏发.洛阳市高架桥桥阴光照特征与绿化建议[J].林业调查规划,2023,48(3):214-221 |
| 洛阳市高架桥桥阴光照特征与绿化建议 |
| Light Characteristics and Greening Suggestions under Viaduct in Luoyang City |
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| DOI： |
| 中文关键词: 高架桥 桥阴绿化 光照强度 植物 洛阳市 |
| 英文关键词: viaduct shaded green space under viaduct light intensity plants Luoyang City |
| 基金项目:国家自然科学基金项目（41801026）；河南科技大学博士启动基金（13480061）. |
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| 中文摘要: |
| 基于高架桥桥阴特殊生境条件的研究进行合理的绿化植物筛选，对桥阴环境质量改善、城市景观空间的美化具有重要实践意义。选取洛阳市东西走向、南北走向的6座高架桥，分四季研究标准桥段桥阴的光照分布特征，并依据植物生长光环境需求对桥阴空间进行分区，以此筛选出30余种适宜不同分区的绿化植物。研究表明，桥阴空间光分布基本呈现单谷变化的趋势；南北走向桥体整体光照强度优于东西走向桥体，桥体高宽比越大，桥阴空间采光越好；桥体隔离缝对其正下方狭窄区域光照有增强效果。高架桥桥阴存在植物生长“死区”和强光照区，因此，依据实测桥阴光照进行合理绿化是改善景观效果的重要途径。 |
| 英文摘要: |
| A reasonable selection of green plants based on the research of the special habitat conditions under the viaduct has important practical significance for the improvement of the environmental quality under the bridge and the beautification of the urban landscape space. This paper selected six viaducts in the east-west and north-south directions in Luoyang to study the characteristics of the light distribution under the bridges in four seasons. The space under the bridge was partitioned according to the light environment requirements for plant growth, and more than 30 kinds of green plants suitable for different partitions were screened out. The research results showed that the spatial light distribution under the viaduct basically presented a trend of single valley change. The overall light intensity of the north-south viaduct was better than that of the east-west bridge. The greater the height-to-width ratio of the viaduct, the better the lighting in the space under the bridge; the isolation seam of the viaduct had the effect of enhancing the light in the narrow area directly below it. There were “dead zones” for plant growth and strong light areas under the viaduct. Therefore, reasonable greening based on the measured light under the bridge was an important way to improve the landscape effect. |
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