Related Experiment Video
Updated: May 24, 2025
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
7.9K
Evaluating the comprehensive water resources utilization level in China: Dynamic distribution analysis and spatial
Xiongtian Shi1, Chao Li2, Zhengyong Yu1
1School of Business Administration and Tourism Management, Yunnan University, Kunming, China.
Plos One
|March 3, 2025
Summary
China
Area of Science:
- Environmental Science
- Water Resource Management
- Regional Economics
Background:
- National water management is crucial for China's sustainable development.
- Understanding regional disparities in water resource utilization is essential.
- Previous studies have not fully captured the spatial dynamics of water resource utilization levels.
Purpose of the Study:
- To evaluate the performance and trends of Comprehensive Water Resources Utilization Level (CWRULE) in China.
- To analyze regional disparities and distribution dynamics of CWRULE.
- To investigate the spatial convergence trends of CWRULE across different regions.
Main Methods:
- Dagum Gini coefficient for measuring regional disparities.
- Spatial kernel density estimation for distribution dynamics.
- Spatial convergence models to analyze trend convergence.
Main Results:
- National CWRULE has improved annually, but significant regional disparities persist.
- Western and northeastern regions show lower CWRULE indicators compared to eastern and central regions.
- Central, western, and northeastern regions exhibit increased convergence speed with policy support, economic development, and technological advancements.
- Eastern region shows weak convergence, indicating a need for tailored strategies.
Conclusions:
- Despite national improvements, regional inequalities in water resource utilization remain a challenge.
- Policy support, economic development, and technological advancements are key drivers for improving CWRULE in less developed regions.
- Targeted strategies are necessary to enhance water resource management and efficiency in the eastern region.
More Related Videos
Related Concept Videos
01:17Design Example: Analyzing Capacity Contours for Flood Risk Assessment
36
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
36
01:21Manipulation and Analysis
17
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...
17
01:29Levels of Use of a GIS
40
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...
40
01:00The Water Cycle
24.1K
The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.
24.1K
01:29Applications of GIS: Disaster Management and Emergency Response
31
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...
31
01:27Dimensional Analysis
263
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
In fluid mechanics, dimensional...
263