相关实验视频
Updated: Jul 21, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.1K
基于计算-验证-合框架的生态安全和城市化合机制的解释:可持续发展的定量分析
Haojie Tang1, Kang Hou1, Siqi Wu1
1School of Environmental and Chemical Engineering, Xi'an Polytechnic University, Xi'an 710048, China.
Ecotoxicology and environmental safety
|July 27, 2023
概括
中国中国中国中国.
科学领域:
- 生态安全和城市化研究研究.
- 可持续发展和政策分析
背景情况:
- 中国的快速城市化带来了生态安全风险.
- 城市化和生态安全的协调发展是中国第十四个五年计划和联合国可持续发展目标 (SDGs) 的关键目标.
- 了解合和协调机制对于可持续发展至关重要.
研究的目的:
- 使用高分辨率数据建立生态安全与城市化之间的关系索引.
- 构建一个"计算-验证-合" (CVC) 框架来分析它们的相互作用.
- 量化朝着协调发展和可持续发展目标的进展.
主要方法:
- 开发一个生态安全指数.
- 使用线性回归模型验证指数.
- 使用合协调模型 (CCM) 分析协调水平.
主要成果:
- 生态安全指数从2010年到2020年稳步增长 (63.1%至74.1%高于中等水平).
- 城市化加速,V级城市化地区从5.5%扩大到9.9%.
- 结合协调显著改善,高协调区域达到48.8%,极端不协调性下降.
结论:
- 该研究表明,中国生态安全和城市化协调发展的积极趋势.
- CVC框架提供了一种可量化的方法来评估实现可持续发展和可持续发展目标的进展.
- 协调发展遵循循环模式,向更大的和发展.
相关概念视频
Ecological Disturbance
17.2K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
17.2K
Mechanistic Models: Compartment Models in Individual and Population Analysis
64
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
64
Causality in Epidemiology
482
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
482
Applications of GIS: Disaster Management and Emergency Response
110
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...
110
Environmental Applications of Microorganisms
61
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
61
Levels of Use of a GIS
72
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...
72

