| 摘要: |
| 城市热岛（UHI）不仅直接关系到城市人居环境质量和居民健康状况，同时还对城市能源消耗、生态系统过程演变、生物物候以及城市经济可持续发展有着深远的影响。以北京市朝阳区2002—2017年夏季4期Landsat系列遥感影像为数据，采用大气反演法，对15年间朝阳区城市地表温度（LST）时空变化进行分析，发现15年间朝阳区城市热岛比例指数上升迅速，热岛效应逐年加剧。进一步研究表明，城市地表温度与归一化植被指数（NDVI）及归一化建筑指数（NDBI）密切相关：地表温度与NDBI正相关，NDBI指数每升高0.1，地表升温0.79~2.37°C；与NDVI指数负相关，NDVI指数每提高0.1，地表降温0.4~0.77°C。本研究可为城市规划建设与城市绿地营建提供科学具体的参考指导依据，并促进生态可持续发展与人居环境改善。 |
| 关键词: 风景园林 城市热岛 地表温度 城市绿地 建筑密度 |
| DOI： |
| 分类号:TU986 |
| 基金项目: |
|
| Research on the Relationship Between Urban Underlying Surface Parameters and Thermal Environment Based on Remote Sensing Technology—A Case Study of Chaoyang District of Beijing |
|
LI Pengli, (PAK) Muhammad Amir Siddique, LIU Dongyun
|
|
Beijing Forestry University
|
| Abstract: |
| Urban Heat Island, which is directly related to the quality of urban living environment and residents’ health, leaves profound impacts on urban energy consumption, ecosystem process evolution, biological phenology and sustainable development of urban economy. In this paper, we apply the atmospheric inversion method to analyze the spatial and temporal changes of the urban thermal environment in Chaoyang District of Beijing during the 15 years from 2002 to 2017 using the Landsat remote sensing images from the district in the summer. We find that the proportion index of Urban Heat Islands in Chaoyang District soared rapidly during the 15 years, and the heat island effect increased year by year. Further research shows the quantitative & qualitative relationship between the Land Surface Temperature(LST) and Normalized Difference Vegetation Index (NDVI), Normalized Difference Built-up Index (NDBI) using satellite imagery data over the period of 2002 to 2017, the LST was positively correlated with the NDBI: every increase of 0.1 in the NDBI would lead the LST to rise 0.79~2.37 °C; negatively correlated with the NDVI: For every 0.1 increase in the NDVI, a cooling in the range of 0.4~0.77 °C will be formed on the land surface. This study can provide scientific and concrete reference basis for urban planning and construction and urban green space construction, and promote the improvement of human settlements environment and ecological sustainable development. |
| Key words: landscape architecture Urban Heat Island Land Surface Temperature urban green space building density |
| 引用本文: | 李膨利,（巴基斯坦）穆罕默德·阿米尔·西迪基,刘东云.基于遥感技术的城市下垫面参数与热环境关系的研究——以北京市朝阳区为例[J].风景园林，2019，26（5）：18-23. |
| LI Pengli,(PAK) Muhammad Amir Siddique,LIU Dongyun.Research on the Relationship Between Urban Underlying Surface Parameters and Thermal Environment Based on Remote Sensing Technology—A Case Study of Chaoyang District of Beijing[J].Landscape Architecture Journal, 2019, 26(5):18-23. |
|
