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智利圣地亚哥的热岛:使用Lamb天气类型进行定性和定量分析

Carolina Estuardo-Norambuena¹, Isidro A Pérez², M Ángeles García²

¹Department of Chemical Engineering and Bioprocesses, Pontifical Catholic University of Chile, Avda. Vicuña Mackenna 4860, Santiago, 7820436, Chile; Center for Sustainable Urban Development (CEDEUS), Los Navegantes 1963, Providencia, Santiago, 7520246, Chile.

Journal of environmental management

|May 31, 2025

概括

这项研究显示,智利的圣地亚哥经历了夜间城市热岛 (UHI),受季节和视觉模式的影响. 长期温度数据显示了变暖趋势,量化了气候变化影响.

科学领域:

环境科学环境科学
气候学气候学气候学
城市研究城市研究

背景情况:

了解城市热岛 (UHI) 效应对于评估气候变化影响至关重要.
智利圣地亚哥的UHI和同视天气模式之间的相互作用以前没有被研究过.
长期温度数据对于分析城市气候动态至关重要.

研究的目的:

调查智利圣地亚哥城市热岛的时间和空间特征.
分析同视图模式和季节对UHI强度的影响.
量化长期温度趋势及其与气候变化的关系.

主要方法:

在61年的时间里 (1960-2021) 分析了最大和最小的空气温度,空间分辨率为0.05°.
在城市和周边农村地区识别和绘制UHI发生率和强度.
UHI模式与不同Lamb天气类型和季节性变化的相关性.

主要成果:

城市热岛仅在夜间观察到,主要是在圣地亚哥的中部和北部地区.
白天的温度没有显示出明显的城市热岛效应.
对UHI强度的同视模式 (Lamb类型) 和季节的显著影响被确定,西北地区表现出最明显的温度对比.

结论:

该研究量化了圣地亚哥的最高 (高达0.21°C/十年) 和最低 (高达0.19°C/十年) 温度的积极趋势.
这些发现凸显了气候变化对圣地亚哥城市温度的可测量影响.
这项研究为该地区未来的城市规划和气候适应战略提供了基础.

关键词:

气候变化气候变化气候变化温度场是一个温度场.温度趋势的趋势 UHI,压力场的压力场

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