【目的】探讨城市型风景名胜区边界判别的有效方法,为城市型风景名胜区边界划定提供科学依据。【方法】以钟山风景名胜区为例,在多源数据支持下,构建风景区资源等级综合评价模型,应用空间核密度、植被覆盖度(FVC)、GIS重分类与叠加等分析,利用自然间断点分级法按评价结果将研究区分为风景资源丰富、较丰富、一般、较匮乏和匮乏5个等级。在此基础上,在ArcGIS中利用Cartography Tool的Aggregate Polygons工具将聚合面积小于1 000 m²的小斑块合并到邻近的大斑块,并对边界范围进行平滑处理。再依据景源保护、游客密度和相关规划标准,在边界范围带内划定钟山风景名胜区的边界线。【结果】基于以上方法划定的边界对钟山风景区范围进行测算,风景区总面积为37.48 km²,其中新增区域面积约2.06 km²,减少区域面积约0.49 km²,与原有边界相比总体面积增加了1.57 km²左右。【结论】在多源数据支持下,构建资源综合评价模型划定城市型风景区边界的方法,综合考虑了景源、生态、社会环境、城市开发现状等多种因素,准确性高,客观性强,更有利于风景区资源的保护与可持续利用。

【Objective】This study aims to explore effective methods for identifying boundaries of urban scenic spots and to provide a scientific basis for their delimitation.【Method】This study used Zhongshan Scenic Spot as a case study. utilizing multi-source data, a comprehensive evaluation model for scenic resource grades was constructed. Spatial kernel density analysis, fractional vegetation cover (FVC), GIS reclassification, and overlay analysis were employed to create a scenic resources evaluation distribution map categorized into five grades by the natural discontinuity classification method: rich, relatively rich, general, relatively scarce, and scarce in scenic resources. The aggregate polygons function in ArcGIS was then used to merge small patches (less than 1 000 m²) into adjacent larger patches and smooth the boundary. Finally, the boundary of Zhongshan Scenic Spot was delineated based on source protection, tourist density, and related planning standards.【Result】The resulting boundary delineation showed that the total area of Zhongshan Scenic Spot was 37.48 km², with a new area of approximately 2.06 km² and a reduced area of about 0.49 km², resulting in an overall increase of about 1.57 km² compared with the original boundary.【Conclusion】Supported by multi-source data, this method provides a comprehensive evaluation model that considers landscape, ecology, social environment, and urban development, offering high accuracy and objectivity for the protection and sustainable use of scenic resources.