从2000年到2020年,中国大陆357个城市的土地利用效率的时空空间演变基于SDG 11.3.1的数据
Min Huang1, Fen Liu2, Daohong Gong2
1School of Geography and Environment/Key Laboratory of Poyang Lake Wetland and Watershed Research (Ministry of Education), Jiangxi Normal University, Nanchang 330022, China; Key Laboratory of Natural Disaster Monitoring, Early Warning and Assessment of Jiangxi Province, Jiangxi Normal University, Nanchang 330022, China.
The Science of the total environment
|September 11, 2024
概括
这项研究开发了一个土地利用效率 (LUE) 评估系统,使用可持续发展目标11.3.1 (SDG 11.3.1) 和其他指标. 调查结果显示,中国城市迅速扩张,城市紧度下降,区域协调面临挑战.
科学领域:
- 城市规划和可持续发展
- 地理空间分析的研究.
- 环境科学 环境科学
背景情况:
- 高效的土地利用对于最大限度地利用土地,降低城市建设成本和优化城市功能模式至关重要.
- 评估土地利用效率 (LUE) 对于理解城市发展和确定优化潜力至关重要.
- 可持续发展目标11.3.1 (SDG 11.3.1) 为评估城市土地利用提供了一个框架.
研究的目的:
- 通过将SDG 11.3.1与补充指标相结合,建立一个全面的土地利用效率评估系统.
- 在中国大陆科学评估城市LUE,了解城市内部的变化.
- 揭示城市和人口变化的空间和时间特征.
主要方法:
- 开发一种新的土地利用效率评估系统.
- 整合SDG 11.3.1与补充指标进行精确评估.
- 分析2000年至2020年的城市扩张,人口增长率 (PGR),土地消费率 (LCR) 和紧度指数.
主要成果:
- 从2000年到2020年,中国大陆的城市经历了快速的城市扩张,建筑区显著增加,特别是在东部地区.
- 城市扩张指数在2015-2020年间达到顶峰,表明增长加速.
- 人口增长率 (PGR) 和土地消费率 (LCR) 之间的协调在西部地区恶化,而随着城市扩张的增加,城市紧性下降.
结论:
- 建立的评估系统提供了对城市LUE的精确评估,并揭示了关键的时空动态.
- 提高LUE对中国大陆的可持续发展具有重要意义,并为全球城市管理提供了宝贵的见解.
- 解决城市紧度下降和区域协调问题对于未来的城市规划至关重要.
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