摘要
海口市作为我国城镇化快速发展的城市之一,土地利用变化剧烈,其蓝绿空间格局受建设活动影响显著。因此,对海口市主城区蓝绿空间格局时空演变特征进行研究,可为蓝绿空间景观规划与国土空间管控提供科学依据。以海口主城区为研究对象,以2000—2020年期间5年为一期的土地利用数据为基础,运用土地利用转移矩阵来分析研究区域土地利用类型的动态变化特征;通过PLUS模型对海口主城区蓝绿空间进行预测,由此得到不同情景模式下的蓝绿空间时空演变特征。结果表明:①2000—2020年,海口主城区优势土地利用类型发生改变,由林地转化为建设用地。蓝绿空间总体上大幅减少,由绿色空间转化为非蓝绿空间。②NDS情景对海口主城区蓝绿空间呈现负向影响趋势,CPS和ECS情景在维持蓝绿空间面积与格局稳定、改善蓝绿空间连通性方面效果显著。
As one of the cities with rapid urbanization in China,Haikou City has undergone drastic changes in land use,and its blue-green space pattern has been significantly affected by construction activities.Therefore,the paper studies the spatial and temporal changes of the blue-green space pattern in the main urban area of Haikou City,which can provide a scientific basis for blue-green space landscape planning and territorial space management.Taking the main urban area of Haikou as the research object,the paper utilizes land use data from five-year periods between 2000 and 2020 as the foundation.The land use transition matrix is employed to analyze the dynamic changes in land use types within the study area.Additionally,the PLUS model is applied to predict the blue-green spaces in the main urban area of Haikou,thereby identifying the spatiotemporal dynamic changes in blue-green spaces under different scenario models.The results show that:①from 2000-2020,the type of advantageous land use in the main urban area of Haikou changed from forest land to construction land.Blue-green space has been greatly reduced in general,with green space transforming to non-blue-green space.②The NDS scenario showed a negative impact on the blue-green space in the main urban area of Haikou.The CPS and ECS scenarios have a significant effect on maintaining the stability and pattern of the blue-green space and improving the connection of the blue-green space.
作者
张照萍
许先升
Zhang Zhaoping;Xu Xiansheng
出处
《城市建筑》
2025年第20期46-49,共4页
Urbanism and Architecture
关键词
蓝绿空间
土地利用变化
多情景模拟
PLUS模型
blue and green space
changes in land use
multiscenario simulation
PLUS model
