北京市海淀区重点潜在绿化用地的识别

编号 lyqk009995

中文标题 北京市海淀区重点潜在绿化用地的识别

作者 朱樱  李倞  徐昉 

作者单位 1. 北京林业大学 北京 100083;
2. 城乡园林景观建设国家林业和草原局重点实验室 北京 10008;
3. 城乡生态环境北京实验室 北京 100083

期刊名称 中国城市林业 

年份 2022 

卷号 20

期号 5

栏目名称 研究论文 

中文摘要 随着城市发展模式的转变,土地利用转向挖潜存量,在城市尺度上挖潜绿地、识别并初筛需重点关注的潜在绿化用地至关重要。文章以北京市海淀区为例,通过解译2016—2020年遥感影像识别城市裸地空间,利用交集分析法筛选出可增绿的重点潜在绿化用地;计算归一化植被指数和植被覆盖度,构建一元线性回归模型分析绿色空间生长变化趋势,筛选出可提质的重点潜在绿化用地。结果表明:海淀区重点潜在绿化用地约662.12 hm²,其中山前区占282.68 hm²,山后区占379.44 hm²;潜在绿化用地在城市化水平相对较低的山后区域呈现集中大面积分布,在建设密集的山前区呈现小面积分散分布。研究探索了量化寻找城市潜在绿化用地的技术方法,弥补了相关研究空缺,所筛选的潜在绿化用地是开展城市建成区永久性绿地建设的重点区域。

关键词 存量更新  重点潜在绿化用地  归一化植被指数  植被覆盖度  北京市海淀区 

基金项目 国家自然科学基金面上项目:北京市级绿道规划的慢行活力预测、优化和实施优先级评估方法研究(32071833)

英文标题 Identification of Key Potential Greening Land in Haidian District of Beijing

作者英文名 Zhu Ying, Li Liang, Xu Fang

单位英文名 1. Beijing Forestry University, Beijing 10089, China;
2. The Key Laboratory of Urban and Rural Landscape Construction of the State Forestry and Grassland Administration, Beijing 10089, China;
3. Beijing Laboratory of Urban and Rural Ecological Environment, Beijing 10089, China

英文摘要 With the change in the urban development model, land use turns to tap the potential stock, and thus it is important to tap the potentials of green space at the city scale and identify and screen the potential green land that needs to be focused on. Taking Haidian District of Beijing as an example, the paper identifies the urban bare land space by interpreting the remote sensing images from 2016 to 2020, and uses the intersection analysis method to screen out the key potential land for greenness increase. The Normalized Difference Vegetation Index and Fractional Vegetation Coverage are calculated to construct a linear regression model to analyze the growing trend of green space, and then to pin down the key potential green land that can be improved. The results show that the key potential green land in Haidian District is about 662.12 hm², of which there are 282.68 hm² in the southern part while 379.44 hm² in the northern part. The potential green land present concentration distribution in the northern part where the level of urbanization is relatively low, and scattered distribution in the southern part where there are intensive constructions. The research explores the technical methods for quantifying potential urban green land, which fills the gap of relevant research. The identified potential green land is the key area for establishing permanent green space in urban built-up areas.

英文关键词 stock renewal;key potential green land;normalized difference vegetation index;fractional vegetation cover;Haidian District in Beijing

起始页码 77

截止页码 83

投稿时间 2021/9/5

作者简介 朱樱(1997-),女,硕士生,研究方向为风景园林规划与设计。E-mail:137443999@qq.com

通讯作者介绍 李倞(1984-),男,博士,教授,博士生导师,研究方向为绿色基础设施、生态网络规划和设计、社区营造和公共健康。E-mail:liliang@bjfu.edu.cn

E-mail liliang@bjfu.edu.cn

DOI 10.12169/zgcsly.2021.09.05.0002

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