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在全球气候变化中评估科伦坡大都市区 (CMA) 的微气候影响:从1980年到2022年的综合研究

Panchali U Fonseka^1,2, Hongsheng Zhang³, Ranjith Premasiri⁴

¹Department of Earth Resource Engineering, Faculty of the Engineering, University of Moratuwa, Katubedda, 10400, Sri Lanka. panchali.u.fonseka@gmail.com.

Environmental monitoring and assessment

|January 27, 2025

概括

与全国其他地区相比,科伦坡的城市微气候趋势显示出明显的温度和降水异常. 这项研究强调了需要本地化的气候变化适应战略,以提高城市的性.

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:

气候变化的影响越来越多地在各种规模上被研究,由于其对人类环境的直接影响,城市微气候引起了人们的注意.
传统的地面气候监测面临着空间覆盖的局限性,推动采用基于卫星的数据进行趋势分析.

研究的目的:

在科伦坡大都市区内调查和确定城市微气候变化的趋势.
将局部气候指数 (温度,降水) 与区域和国家模式进行比较.
为地方当局提供数据驱动的洞察力,以提高城市对气候变化的适应力.

主要方法:

卫星气候产品与现有地面数据的验证.
十年气候数据的时间序列和空间分析.
计算和比较关键气候指标:降雨异常,季节性,热浪大小和平均温度.

主要成果:

与西省和整个国家相比,科伦坡大都会地区在温度和降水异常方面发现了明显的十年趋势.
分析显示了降雨异常指数,季节性指数,热浪大小指数和平均温度的显著差异.
这项研究成功地利用了四个气候指数来界定城市区域内的微气候变化.

结论:

了解城市微气候的动态对于有效缓解和适应气候变化至关重要.
局部化的气候数据和分析对于制定有针对性的策略来建立城市弹性至关重要.
调查结果强调需要解决气候变化对极端温度的影响,以保护人类活动和环境.

关键词:

气候变化气候变化气候变化热浪大小指数热浪大小指数降雨异常指数降雨异常指数恢复力恢复力卫星产品卫星产品卫星产品季节性指数季节性指数

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