城市边缘区土地利用动态规划管理系统

城市边缘区是城市中最活跃、变化最为迅速的地区，是城市研究的重点地区之一。在分析了城市边缘区土地利用结构特征以及土地利用结构的形成机制的基础上，设计了城市边缘区土地利用动态规划管理系统，包括动态监测子系统、预警子系统和决策子系统三部分。系统的建立围绕边缘区土地的增值特点和土地利用动态更替规律，通过对边缘区土地质量和地价的动态评价，模拟边缘区土地利用的动态更替趋势，在此基础上，从生态环境效益、社会效益和经济效益三方面对边缘区已有的土地利用规划进行分析和调整，并据此提出管理措施。作为一个循环反馈的运行机制，系统充分利用经济杠杆作为调节的终结，以保证规划的合理调整和实施可能，从而促进边缘区土地利用结构的优化。

RESEARCH ON THE SYSTEM OF LAND-USE DYNAMIC PLANNING AND MANAGEMENT IN URBAN FRINGE

The urban fringe is the most vibrant area of the city, which changes fast and is one of the key areas in the city research. On the basis of the analysis of the character and the forming mechanism of the land-use structure of the urban fringe, the paper designs a dynamic planning and management system for urban fringe land-use. The system includes three sub-systems: supervising and evaluating sub-system, early-warning sub-system and decision-making sub-system. The system is based on the character of the increasing land price and the rule of land-use succession. Through the dynamic appraisement of land quality and price, the system imitates the land-use replacing trend. The system periodically contrasts the trend with the original land-use planning of urban fringe during the course of carrying out the planning, considering eco-environment, social and economic benefits. Then the amendments to the planning and appropriate measures in management are given. As a recurrence-feedback operating mechanism, the system makes the best of economic lever as the regulative finality to assure the planning adjusted reasonably and actualized possibly, so the land-use structure of the urban fringe can be optimized.