空气污染的结果,土地分配错误,以及通过城市扩张传播的传播
Yuwei Wang1, Jianshuang Fan2, Dongtao Liu1
1School of Management, Zhejiang University of Technology, Hangzhou, 310023, China.
Journal of environmental management
|August 3, 2023
概括
土地分配错误显著加剧了空气污染,特别是高土地劳动回报率,而城市扩张显示了反向的U形影响. 本研究为决策者确定了四条环保的城市发展路径.
科学领域:
- 环境经济学环境经济学
- 城市规划是城市规划.
- 空间计量经济学 空间计量经济学
背景情况:
- 在全球范围内,工业化和城市化作为负面外部效应导致了空气污染.
- 中国的土地分配错误和城市扩张加剧了空气污染的挑战.
- 现有研究需要一个统一的框架来分析这些相互关联的问题.
研究的目的:
- 系统地调查土地分配错误和城市扩张对中国空气污染的影响.
- 分析城市扩张在土地分配错误和空气污染之间的关系中扮演的调解角色.
- 根据经验发现,提出环境友好的城市发展战略.
主要方法:
- 开发了一种综合效用最大化和土地分配错误的一般平衡模型.
- 使用来自中国土地市场和全球人口数据的大数据构建的土地分配错误和城市扩张指数.
- 在经验性假设测试中采用扩展调解效应模型.
主要成果:
- 土地分配错误对空气污染产生了显著的积极影响.
- 土地分配错误对城市扩张的影响取决于土地与劳动相对的回报率 (RRIRL).
- 城市扩张和空气污染之间存在一个反转的U形关系.
结论:
- 土地分配错误和城市扩张动态显著影响空气污染水平.
- 城市发展战略应考虑RRIRL和交通成本,以减轻污染.
- 确定了四种不同的,环保的城市发展途径,提供政策和研究指导.
相关概念视频
Threats to Biodiversity
22.4K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.4K
Types of Toxins
1.8K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.8K
Habitat Fragmentation
17.7K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.7K
Social Traps
22.4K
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...
22.4K
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
2.8K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
2.8K
Other Pulmonary Disorders
872
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
872


