衡量全球人类对日常必需品和服务的可访问性
Shengbiao Wu1, Bin Chen2,3,4, Jiafu An5,6,7
1Future Urbanity & Sustainable Environment (FUSE) Lab, Division of Landscape Architecture, Department of Architecture, Faculty of Architecture, The University of Hong Kong, Hong Kong SAR, China.
Nature communications
|November 28, 2025
概括
全球获得住房,医疗保健和教育等基本基础设施的机会仍然不均. 这项研究绘制了这些资源的旅行时间,揭示了显著的差异,并为包容性发展的战略提供了信息.
科学领域:
- 城市规划是城市规划.
- 地理空间分析是什么?
- 可持续发展研究 可持续发展研究
背景情况:
- 公平获得基本服务对于生活质量和实现可持续发展目标至关重要.
- 目前对全球获取必需品的理解受到碎片化数据和缺乏基础设施库存的限制.
- 测量可访问性需要可扩展的方法和关于资源分配的全面数据.
研究的目的:
- 创建一个关键基础设施兴趣点的全球数据库.
- 将全球旅行时间映射到关键基础设施,作为可访问性的代理.
- 评估在不同背景下对基础设施访问的差异.
主要方法:
- 编制了六个基本基础设施类别的兴趣点的全球数据库.
- 利用30米分辨率的摩擦表面数据来计算行程时间.
- 分析了考虑到地理,城市化和社会经济因素的可访问性差异.
主要成果:
- 揭示了基础设施可用性,人均分布和旅行时间的全球显著差异.
- 发现62.8%的城市居民在15分钟内步行到基本资源.
- 报告称,82.5%的城市居民可以在30分钟的步行路程内进入.
结论:
- 在全球范围内,基础设施的访问分布不均.
- 有必要优化关键基础设施的规划,分配和管理.
- 战略应侧重于通过改善接入来促进包容性和可持续发展.
相关概念视频
Methods Of Healthcare Delivery System
3.9K
At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
3.9K
Applications of GIS: Disaster Management and Emergency Response
437
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
437
Primary Healthcare Services
1.9K
Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
1.9K
Levels of Use of a GIS
323
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
323
Introduction to GIS
481
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
481
Sustainable Development
14.7K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
14.7K


