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使用谷歌地球引擎量化印度南部的气候变化和相关区域空气污染

Ramamoorthy Ayyamperumal¹, Abhishek Banerjee², Zhenhua Zhang³

¹MOE Key Laboratory of Mineral Resources in Western China, College of Earth Sciences, Lanzhou University, Lanzhou, Gansu Province 730000, China; MOE Key Laboratory of Western China's Environmental System, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China.

The Science of the total environment

|November 11, 2023

概括

气候变化与空气污染有关,对生态系统构成风险. 这项研究分析了2001-2022年间的卫星数据,揭示了科因巴图尔的气温上升和降雨量下降,以及空气污染物度的变化.

科学领域:

环境科学环境科学
大气科学大气科学
遥感遥感遥感遥感

背景情况:

气候变化和区域空气污染是相互关联的环境危害.
科因巴图尔的生态系统可能会受到这些综合因素的影响.
长期,高分辨率的数据对于理解这些环境动态至关重要.

研究的目的:

为了调查气候变化和科因巴图尔空气污染之间的时空连贯性.
分析陆地表面温度,降雨量和主要空气污染物 (CO,NO2,SO2,UV气溶指数) 的趋势.
为制定有针对性的减少污染的战略提供见解.

主要方法:

利用了从2001年到2022年的高分辨率遥感数据.
雇员气候危险组红外降雨与站数据 (CHIRPS) 和适度成像光谱辐射计 (MODIS) 气候变量.
分析了使用谷歌地球引擎对一氧化碳 (CO),二氧化 (NO2),二氧化硫 (SO2) 和紫外线气溶指数的Sentinel-5P数据.

主要成果:

观察到陆地表面温度 (LST) 增加0.10°C/年,降雨量减少21.5mm/年,在南科伊姆巴图尔.
空气污染物度 (CO,NO2,SO2,UV气溶指数) 呈现出显著的时空差异.
一氧化碳 (CO) 在季风前和季风前的季节显示出最大度,在季风前期间,NO2和吸收气溶的度显著增加.

结论:

这项研究证实了气候变化与科因巴图尔空气质量之间的联系.
了解这些复杂的相互作用对于有效的环境管理至关重要.
调查结果可以为有针对性的干预措施提供信息,以减轻空气污染及其生态影响.

关键词:

气候变化污染气候变化污染科恩巴托尔市的城市谷歌的地球引擎.NO ((2)) 的情况.SO(2) 这样一来.空间分布的空间分布

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