一个全球数据集的钢和水泥在使用库存在500米网格水平2000-2019年
Kun Sun1, Qiaoxuan Li2, Menglin Dai3
1SDU Life Cycle Engineering, Department of Green Technology, University of Southern Denmark, Odense, 5230, Denmark.
Scientific data
|September 26, 2025
概括
人类产生的物质库存对人类福祉至关重要,并推动了资源需求. 这项研究以高分辨率绘制全球材料库存的地图,帮助城市采矿和循环经济倡议.
科学领域:
- 环境科学 环境科学
- 资源管理 资源管理
- 城市研究 城市研究
背景情况:
- 人造物质在使用中的库存对人类需求至关重要,但推动了资源需求和环境影响.
- 这些库存代表了城市采矿和回收利用的重要储备.
- 了解它们的积累是可持续资源管理的关键.
研究的目的:
- 开发一个高分辨率的材料在使用库存的全球数据集.
- 分析全球物质积累的时空动态.
- 支持废物管理,循环经济和城市可持续发展的努力.
主要方法:
- 整合协调的夜间光照图像与国家库存数据.
- 2000年至2019年全球库存 (钢铁,,水泥) 的估计.
- 使用500m x 500m的网格分辨率,减轻卫星数据的限制.
主要成果:
- 提供了材料库存的精细时间和地理表示.
- 全球物质积累的阐明的时空动态.
- 突出了城市内部和城市之间的显著分布差异.
结论:
- 综合数据库为各种应用提供了宝贵的资源.
- 支持废物管理和循环经济的知情决策.
- 促进空间规划,城市可持续性和气候变化缓解.
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