Climate Change Data Portal
| DOI | 10.1016/j.cacint.2023.100135 |
| GIS-based revision of a WUDAPT Local Climate Zones map of Bern, Switzerland | |
| 发表日期 | 2024 |
| ISSN | 2590-2520 |
| 起始页码 | 21 |
| 卷号 | 21 |
| 英文摘要 | Urban areas are particularly affected by heatwaves through the intensification of heat stress by the urban heat island effect. For effective climate change adaptation, information about microscale surface cover, structures, and human activity in cities is needed to depict the underlying causes of urban heat stress. The framework of Local Climate Zones (LCZs) classifies and standardizes urban areas based on such characteristics. To date, most LCZ mapping workflows use satellite imagery as input. The resulting maps may lack some important details, and thus benefit from the use of additional geodata. We introduce a novel approach that combines the geodata of urban canopy parameters with the remote sensing-based LCZ map of Bern, Switzerland. City-specific urban canopy parameters are calculated and used to adjust established value ranges, if necessary. The most common misclassification patterns are identified and misclassified pixels are corrected using a decision tree and k-nearestneighbor algorithm. Results show that the conformity with the urban canopy parameter values markedly increased, especially in the distinction of water surfaces, non-built areas, and building height. However, for highresolution LCZ maps, this also leads to unnecessary heterogeneity, which may require further postprocessing. Given sufficiently available urban canopy parameter data, the proposed workflow is simple and easily adaptable for other cities. It could prove useful in urban climate studies and city planning to enhance an existing LCZ map in a contextualized manner quickly. |
| 英文关键词 | LCZ; Urban heat island; LCZ generator; Geodata; Urban canopy parameter; Decision tree |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| WOS类目 | Environmental Sciences ; Environmental Studies ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001167681800001 |
| 来源期刊 | CITY AND ENVIRONMENT INTERACTIONS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/296644 |
| 作者单位 | University of Bern; University of Bern |
| 推荐引用方式 GB/T 7714 | . GIS-based revision of a WUDAPT Local Climate Zones map of Bern, Switzerland[J],2024,21. |
| APA | (2024).GIS-based revision of a WUDAPT Local Climate Zones map of Bern, Switzerland.CITY AND ENVIRONMENT INTERACTIONS,21. |
| MLA | "GIS-based revision of a WUDAPT Local Climate Zones map of Bern, Switzerland".CITY AND ENVIRONMENT INTERACTIONS 21(2024). |
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