地理与地理信息科学

随着社会经济与科技的不断发展，流动空间逐渐弱化城乡行政边界的限制作用，为县域发展打破传统地域限制、实现高质量发展创造了机遇。该文结合新发展理念和河南省县域特征，基于流动空间理论，提出河南省县域高质量发展是实现经济、社会、生态、空间等多维系统高水平均衡发展的模式，并构建相应的评价指标体系，采用纵横向拉开档次法和定基功效系数法测算高质量发展指数，采用核密度估计进一步分析县域高质量发展的时空演变及趋同趋势。结论如下：(1)河南省县域高质量发展整体稳中向好，产业结构、生态环境和社会消费在县域高质量发展中占主导地位；高质量发展质心迁移幅度变化不大，具有向北迁移趋势，且对经济质心迁移具有一定引导作用。(2)不考虑流动空间溢出效应时，河南省县域高质量发展水平向均值收敛，低于平均水平的县域向上发展概率较大，高于平均水平的县域具有一定的抗下行韧性；考虑流动空间溢出效应后，县域高质量发展形成多峰分布，存在多个俱乐部趋同现象，有助于县域“抱团发展”。据此提出充分发挥县域优势探索高质量发展路径、合理开发保护生态环境、加强县域空间联系等推进河南省县域高质量协同发展的建议。

With the continuous advancement of socio-economic and technological development, the concept of "flow space" has gradually weakened the restrictive role of urban-rural administrative boundaries, creating opportunities for counties to overcome traditional geographical limitations and achieve high-quality development.Guided by the new development philosophy, tailored to the characteristics of counties in Henan Province, and based on flow space theory, this study proposes a multidimensional equilibrium development model encompassing economic, social, ecological, and spatial systems for county-level high-quality development in Henan Province.A corresponding evaluation index system was constructed, and the vertical and horizontal scatter degree method and the fixed-base efficacy coefficient method were employed to measure development levels.The spatiotemporal evolution and convergence trends of county-level high-quality development were further analyzed.It is found as follows.(1) County-level high-quality development in Henan Province has generally progressed steadily and improved continuously, with industrial structure, ecological environment, and social consumption playing dominant roles.Furthermore, the migration of development centroids exhibits minimal fluctuations, showing a northward trajectory, and exerts a guiding influence on the migration of economic centroids.(2) When spatial spillover effects from flow space are not considered, the high-quality development levels of counties in Henan Province converge towards the mean.Counties below the average show a higher probability of upward development, while those above the average exhibit resilience against downward risks.Incorporating the spatial spillover effects of flow space reveals a multimodal distribution of high-quality development in counties, characterized by multiple club convergence phenomena, facilitating collaborative development clusters among counties.Accordingly, this study proposes strategies to enhance synergistic high-quality development in Henan′s counties, including leveraging counties′ inherent advantages to explore unique development paths, ensuring the rational development and protection of the ecological environment, and strengthening spatial linkages between counties.