研究交通基础设施建设对城市可持续发展的影响
Tingzhang Yang1,2, Feng Yang3, Pengzhen Tan4
1Guizhou University of Finance and Economics, Guiyang, 550025, China.
Scientific reports
|August 13, 2025
概括
对交通基础设施的投资大大促进了中国的可持续城市发展. 这种发展通过技术创新和就业增长得到增强,特别是在大城市和中西部地区.
科学领域:
- 城市规划 城市规划
- 运输工程 运输工程
- 可持续发展研究 可持续发展研究
背景情况:
- 由于大规模的城市扩张,中国城市面临可持续发展的挑战.
- 交通基础设施被认为是城市进步的关键驱动力.
研究的目的:
- 实证分析交通基础设施建设对中国城市可持续发展的影响.
- 研究这种影响发生的机制,并探索区域和时间异质性.
主要方法:
- 利用了2006年至2021年中国城市的面板数据.
- 采用了基线回归,稳定性测试和仪表变量方法来检测内原性.
- 针对城市规模,地区和行政地位进行了异质性分析.
主要成果:
- 交通基础设施建设大大促进了城市可持续发展.
- 积极影响在大型城市,中西部地区和省会都更为明显.
- 这些机制包括促进技术创新和升级就业规模.
结论:
- 交通基础设施建设是加强中国城市可持续发展的重要战略.
- 政策干预应考虑区域和城市规模的差异,以获得最佳影响.
- 这些发现为基础设施投资的经济评估提供了经验支持.
相关概念视频
01:26Design Example: Sustainability in Concrete Building
227
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
227
01:43Sustainable Development
13.6K
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.
13.6K
01:17Design Example: Alignment of a Road Line Using GIS
104
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
104
02:12Short-distance Transport of Resources
16.5K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
16.5K
01:41Social Traps
23.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
23.3K
01:24Introduction to Vertical Curves
159
Vertical curves are parabolic transitions that connect different grades on highways and railroads, ensuring a smooth alignment between back and forward tangents. The back tangent represents the initial grade, while the forward tangent defines the subsequent grade. These curves can be symmetrical, with equal tangent lengths, or nonsymmetrical, with varying lengths. The key points defining a vertical curve include the Point of Vertical Intersection (P.V.I.), where the tangents meet; the Point of...
159