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东南亚城市陆地表面温度增加的变化

Munawar Munawar1, Rhysa McNeil2, Rohana Jani3

  • 1Statistics Department, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, Indonesia. munawar@usk.ac.id.

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概括

城市热岛 (UHI) 正在增加全球变暖. 东南亚11个城市中的8个城市的土地表面温度 (LST) 每十年上升0.371°C,这表明由于绿地减少而导致的显著变暖.

关键词:
气候变化的变化.周期性 周期性是指周期性.遥感是一种远程传感.海洋城市 SEA 城市城市热岛是一个城市热岛.

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科学领域:

  • 环境科学 环境科学
  • 气候科学 气候科学
  • 城市规划 城市规划

背景情况:

  • 气候变化和全球变暖与人类活动有关,导致城市热岛 (UHI).
  • 土地表面温度 (LST) 是区域温度变化和气候变化研究的关键指标.
  • 城市LST影响生活条件,经济活动,对于了解城市气候变化影响至关重要.

研究的目的:

  • 评估2000-2022年东南亚 (SEA) 城市的LST周期性和波动.
  • 通过使用立方支线模型,分析11个南亚亚洲首都城市的LST趋势.
  • 确定LST变化的统计意义及其与城市发展的关系.

主要方法:

  • 利用NASA中等分辨率成像光谱辐射仪 (MODIS) 数据用于LST检索.
  • 应用了八个节点的立方线模型来分析LST城市的LST数据.
  • 计算了95%的置信区间来量化LST变化和趋势.

主要成果:

  • 在11个中东亚超级区域中的8个中观察到平均每日LST的统计显著增加.
  • 整个南亚地区的整体平均LST增加为每十年0.371°C,其95%的置信区间为[0.295,0.447]°C.
  • 雅加达,河内和曼谷等特定城市显示LST增加,而班达斯里贝加温保持不变,内皮多和马尼拉显示略有下降/增加.

结论:

  • 东南亚城市的LST上升是持续全球变暖的明确指标.
  • 城市环境中减少的绿地对土地表面温度的增加有很大影响.
  • 调查结果强调,迫切需要城市规划战略,以减轻UHI的影响和应对气候变化.