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李荣佳, 黎秋杉, 石川幹子. 乔木布局对川西林盘微气候的影响[J/OL]. 四川林业科技, 2024, 45[2024-05-16]. DOI: 10.12172/202402270002
引用本文: 李荣佳, 黎秋杉, 石川幹子. 乔木布局对川西林盘微气候的影响[J/OL]. 四川林业科技, 2024, 45[2024-05-16]. DOI: 10.12172/202402270002
LI R J, LI Q S, Mikiko I. Research on the Influence of Arbor Layout on Microclimate in Linpan, Sichuan ——A Case Study of Dujiangyan[J/OL]. Journal of Sichuan Forestry Science and Technology, 2024, 45[2024-05-16]. DOI: 10.12172/202402270002
Citation: LI R J, LI Q S, Mikiko I. Research on the Influence of Arbor Layout on Microclimate in Linpan, Sichuan ——A Case Study of Dujiangyan[J/OL]. Journal of Sichuan Forestry Science and Technology, 2024, 45[2024-05-16]. DOI: 10.12172/202402270002

乔木布局对川西林盘微气候的影响

Research on the Influence of Arbor Layout on Microclimate in Linpan, Sichuan ——A Case Study of Dujiangyan

  • 摘要: 全球气候变化导致持续升温和极端气候事件的频发,给人类居住环境带来了严峻挑战。传统聚落作为经历了自然选择与进化的人居环境形态,形成了一系列适应当地气候的独特建筑模式。因此,深入研究传统聚落的保护和规划,特别是其乔木空间对微气候的影响机制,对于探索地域低能耗的气候适应性理论和方法,以及提高未来人居环境建设的舒适性至关重要。基于实地调查和数值模拟的方法,以川西林盘及其衍生模型为研究对象,对其微气候进行了模拟,重点关注空气温度、相对湿度、风速、风向以及热舒适度等气象参数的空间分布特征与趋势,旨在分析乔木的空间格局与配置对聚落环境微气候的影响机制,探索基于自然的气候适应性解决方案。研究发现:随着乔木覆盖率的增加,林盘内部降温增湿效果越显著,但对空气流动具有限制作用,从而导致局部热浪效应和不适感。此外,乔木的数量和布局对气候适应性也具有较强的调节作用,分布于林盘上风向时可阻挡外部热空气进入并提供舒适感,但分布于林盘下风向时可能限制空气流动并增加内部热感受。

     

    Abstract: Global climate change has led to continuous warming and the frequent occurrence of extreme weather events, posing serious challenges to the human settlements. Traditional settlements, as forms of habitat that have undergone natural selection and evolution, have formed a series of unique architectural patterns adapted to the local climate. Therefore, in-depth research on the conservation and planning of traditional settlements, especially on the mechanism of their arbor space's effect on microclimate, is crucial for exploring the theory and methods of climate adaptation for energy conservation in the region, as well as for improving the comfort of future habitat construction. Based on field investigation and numerical simulation, this research was conducted to simulate the microclimate of Linpan and its derived models in western Sichuan, focusing on the spatial distribution characteristics and trends of meteorological parameters such as air temperature, relative humidity, wind speed and direction, and thermal comfort, aiming at analyzing the mechanism of the spatial patterns and configurations of arboriculture on the microclimate of colony environments, and exploring the nature-based climatic adaptive The aim is to analyze the mechanism of the spatial pattern and configuration of trees on the microclimate of the colony environment, and to explore nature-based climate adaptation solutions. It was found that with the increase of arbor coverage, the more significant the cooling and humidifying effect is inside the Linpan, but it has a limiting effect on air flow, which leads to local heat wave effect and discomfort. In addition, the number and layout of trees had a significant moderating effect on climate resilience, blocking the entry of external thermal air and providing comfort when distributed upwind of the Linpan, but potentially restricting air flow and increasing internal thermal sensations when distributed downwind of the Linpan.

     

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