公园城市建设背景下上海嘉定乡村景观地方特征与优化策略研究
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上海市“科技创新行动计划”社会发展科技攻关项目“超大城市上海公园城市构建关键技术研究与示范”(编号:23DZ1204400);上海市哲学社会科学规划课题“‘沪派江南’视角下乡村文化空间有机更新的机制与路径”(编号:2024BCK001);上海市哲学社会科学规划课题“长三角一体化发展背景下乡村地方性景观评价及优化研究”(编号:2023BCK011)


Local Characteristics and Optimization Strategies for Rural Landscapes in Jiading, Shanghai, in the Context of Park City Construction
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    摘要:

    挖掘新时期乡村景观地方性特征和价值、推进城乡深度融合发展,对于推动上海公园城市的内涵建设和品质提升具有重要意义。已有研究在基于多源数据融合进行区域尺度乡村景观要素地方特征提取和影响因素评价方面尚有探索空间。以上海市嘉定区为例,通过语义分割方法分析街景图像数据及多重聚类叠加,提取乡村景观多要素的地方性特征,借助地理探测器、随机森林算法测评各类驱动要素与乡村景观特征的关系。结果表明:(1)嘉定乡村景观的环境绿视度、天空开敞度、建筑密集度、道路宽阔度、小品丰富度、场所围合度呈现明显不均衡分布的特征;(2)多重聚类结果显示嘉定乡村景观的穹色空间、绿色空间和灰色空间呈现相互交织分布的格局;(3)多维度因子共同影响乡村景观特征的形成,乡村产业维度的因子交互作用最强,其中GDP与商业活力的交互值最高。基于以上发现提出嘉定区乡村景观地方特征的提升策略,为公园城市背景下乡村景观特征的评价和优化提供新的思路和方法,为提高乡村景观品质和推动公园城市建设提供参考。

    Abstract:

    Exploring the local characteristics and value of rural landscapes in the new era, as well as promoting the deep integration of urban and rural development, are crucial for enhancing the connotation construction and quality improvement of Shanghai’s Park City. Significant potential remains for examining regional features and evaluating the influencing factors of rural landscape elements through multi-source data fusion. Using Jiading District of Shanghai as a case study, this research analyzed street view image data and employed multi-class superposition with semantic segmentation methods to extract the local characteristics of various rural landscape elements. Additionally, geographic detectors and the random forest algorithm were utilized to assess the relationship between different driving factors and rural landscape characteristics. The results indicate that: (1) Environmental green view, sky view, road width, building view, facilities diversity, and enclosure integrity in Jiading’s rural landscapes exhibit notable imbalanced distribution characteristics; (2) The blue space, green space, and gray space in Jiading’s rural landscapes display an interwoven distribution pattern; (3) Multi-dimensional factors collectively influence the formation of rural landscape features, with the strongest interaction occurring within the rural industry dimension, particularly between GDP and commercial vitality. Based on these findings, this paper proposes strategies for enhancing the local characteristics of rural landscapes in Jiading District, providing innovative approaches and methods for evaluating and optimizing rural landscape features within the context of Park City development, and offering references for improving rural landscape quality and promoting Park City construction.

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  • 在线发布日期: 2025-04-10
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