Related Experiment Video
Updated: Sep 26, 2025

05:45
Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
Published on: January 7, 2019
11.2K
Influential Nodes Identification in the Air Pollution Spatial Correlation Weighted Networks and Collaborative
Feipeng Guo1,2, Zifan Wang1,2, Shaobo Ji3
1School of Management and E-Business, Zhejiang Gongshang University, Hangzhou 310018, China.
Summary
China
Area of Science:
- Environmental Science
- Atmospheric Chemistry
- Urban Planning
Background:
- China's 14th Five-Year Plan prioritizes joint air pollution control and greenhouse gas reduction.
- Green and low-carbon development is a key driver for environmental policy.
Purpose of the Study:
- To analyze air pollution spatial correlations in major Chinese urban agglomerations.
- To identify influential cities for targeted air pollution control strategies.
- To propose policy recommendations based on spatial linkages.
Main Methods:
- Construction of air pollution spatial correlation weighted networks for three major urban agglomerations.
- Application of the local-and-global-influence for weighted network (W_LGI) method to identify influential nodes (cities).
- Analysis of intra-city air pollution networks within identified influential cities.
Main Results:
- Identification of influential cities with central positions in air pollution networks.
- Demonstration that influential nodes exhibit strong spatial pollution associations and pollutant transmission capabilities.
- Confirmation of the importance of spatial linkages in air pollution dynamics.
Conclusions:
- Targeting influential cities can enhance air pollution control efficiency.
- Policy suggestions derived from spatial linkage analysis support green development.
- Effective air pollution management contributes to achieving carbon neutrality goals.
Related Concept Videos
Sampling Plans
304
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
304
Manipulation and Analysis
73
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
73
Relationship Formation
41.4K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
41.4K
Outliers and Influential Points
4.4K
An outlier is an observation of data that does not fit the rest of the data. It is sometimes called an extreme value. When you graph an outlier, it will appear not to fit the pattern of the graph. Some outliers are due to mistakes (for example, writing down 50 instead of 500), while others may indicate that something unusual is happening. Outliers are present far from the least squares line in the vertical direction. They have large "errors," where the "error" or residual is the...
4.4K
Levels of Use of a GIS
110
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...
110
Drug Control Governance: Regulatory Bodies and Their Impact
266
Drug control governance involves the oversight and regulation of pharmaceuticals to ensure their safety and efficacy while preventing illegal drug use and trafficking. Regulatory bodies, including the US Food and Drug Administration (FDA) and the European Union's European Medicines Agency (EMA), play a central role in this process. These agencies evaluate the safety and efficacy of drugs before they can be marketed. They fund clinical trials and assess the benefits and risks associated with...
266

