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德黑兰表面热岛的气候学:基于卫星的空间分析

Motahhareh Zargari¹, Abbas Mofidi², Alireza Entezari³

¹Hakim Sabzevari University, Sabzevar, Iran. motahharehzargari@yahoo.com.

Scientific reports

|March 28, 2025

概括

德黑兰德黑兰德黑兰

科学领域:

环境科学环境科学
气候学气候学气候学
城市规划城市规划

背景情况:

德黑兰是一个拥有近1500万居民的超大城市,面临着重大的环境挑战.
不充分的城市战略和快速发展导致这些问题,包括城市热岛 (UHI) 效应.

研究的目的:

这项研究调查了德黑兰的城市热岛 (UHI) 气候学.
它旨在分析陆地表面温度 (LST) 的变化,识别热点,并了解海拔和植被的影响.

主要方法:

利用了19年的 (2003-2021) 每日MODIS-Aqua陆地表面温度 (LST) 数据 (1公里分辨率).
分析了城市和农村的温度差异,表面城市热岛 (SUHI) 结构,LST趋势以及海拔和植被的作用.
对比日间和夜间LST数据,以确定SUHI检测的可靠性.

主要成果:

夜间LST数据在检测德黑兰的SUHI方面更可靠,并减少了季节性波动.
平均每年城市和农村的温度差异为6.17°C,在几个月和季节之间存在差异.
德黑兰的地表温度呈现出每十年0.74°C的显著上升趋势,高度比植被发挥更大的作用.

结论:

夜间LST数据对于德黑兰的精确SUHI研究至关重要.
德黑兰表现出日益上升的地表温度趋势和日益增加的城乡温度差异.
高度显著影响LST分布,而不是德黑兰的植被覆盖面.

关键词:

高度的升高情况.热点地区是热点地区.时间 LST LST 在MODIS aqua中,我们使用的是MODIS aqua.NDVI NDVI 在线阅读苏希 (SUHI) 是一个名为苏希 (SUHI) 的小镇.德黑兰德黑兰德黑兰

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