基于Landsat的绍兴市热岛效应监测与分析
Monitoring Analysis of Urban Heat Island Based on Landsat Data in the Main Areas of Shaoxing
摘要: 地表温度是研究城市热岛效应的重要参数，可以通过反演地表温度对城市热岛效应进行监测，为城市体系构建科学生态的发展提供参考。本文以绍兴市越城区为研究区，利用热红外遥感技术，首先采用Jiménez-Muñoz J.C算法反演地表温度，并用地面站实测数据进行精度验证，之后对城市热岛效应进行分级评价，最后对热场时空特征进行分析，探讨城市热岛效应与下垫面组分间的联系。研究发现：1) 2008~2018年越城区的热岛效应呈现出增强态势，热岛区域范围扩张，城区北部热岛效应明显加剧。2) 越城区冬季地表温度与NDVI、NDBI为正相关关系，与MNDWI为负相关关系。
Abstract: Urban heat island effects are studied using land surface temperature as a parameter. Providing reference for urban system construction, scientific and ecological development and monitoring of urban heat island effects, it can be employed to monitor the urban heat island effect. Research is conducted in the Yuecheng District of Shaoxing City in this paper. In order to retrieve the surface temperature, the Jiménez-Muñoz J.C single channel algorithm is used, and the accuracy of the algorithm is verified with the measured data from the ground station. After this, the urban heat island effect is graded and evaluated. Lastly, the space-time characteristics of the heat field are analyzed to investigate the relationship between the urban heat island effect and its underlying components. As a result of the research, it was found that: 1) The heat island effect across the city of Yuecheng District showed an enhanced trend from 2008 to 2018, the regional scope of the heat island expanded, and the heat island effect in the north of the city increased significantly. 2) The land surface temperature in Yuecheng District in winter is positively correlated with NDVI and NDBI, and negatively correlated with MNDWI.
文章引用：杨圆圆. 基于Landsat的绍兴市热岛效应监测与分析[J]. 自然科学, 2022, 10(6): 1016-1023. https://doi.org/10.12677/OJNS.2022.106114

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