国土空间规划中蓝绿空间模式与指标体系研究

在国土空间规划中,蓝绿空间是生态优先战略实施过程中的重要议题,其规划和设计策略指向了生态结构与格局的合理建构,也是城市水灾害治理与生态保护等技术性议题的重要基础。本文首先基于生态系统服务体系提出了蓝绿空间耦合框架,并在此基础上建立了与国土空间规划体系相对应的多尺度蓝绿空间规划设计体系与空间模式:宏观尺度上重点关注全域蓝绿空间格局的构建,中观尺度上着重城镇集中建设区蓝绿空间网络构建并指向城市生态空间品质提升,微观尺度上重点关注详细设计层面对水体及水岸蓝绿空间的设计引导。同时,基于蓝绿空间规划与建设管控的目标,对蓝绿空间包括水面率控制、蓝线控制和连通度指标控制在内的控制体系进行了梳理与构建。

BLUE-GREEN SPACE PATTERN AND INDICATOR SYSTEM IN TERRITORIAL PLANNING

In territorial planning,blue-green space is an important issue in the implementation of the ecological priority strategy.Its planning and design strategies target at developing a reasonable ecological structure and pattern,which is an important basis for technical issues,such as urban water disaster management and ecological protection.This paper first proposes a blue-green space coupling framework based on the ecosystem service system.Based on that,it establishes a multi-scale blue-green space planning and design system and spatial pattern corresponding to the territorial planning system.On macro scale,emphasis is laid on the construction of a global blue-green space pattern;on medium scale,focuses are put on the blue-green space network of the centralized urban construction area and the improvement of the quality of urban ecological space;on micro scale,attention is paid to the design guidance of the blue-green space of the water body and waterfront at the detailed design level.At the same time,this paper summarizes and develops a blue-green space control system,including water surface rate control,blue line control,and connectivity index control in line with the goals of blue-green space planning and construction control.