相关实验视频
Updated: Jan 11, 2026

13:48
Design and Construction of an Urban Runoff Research Facility
Published on: August 8, 2014
13.5K
未来的供应,需求和亚洲大城市的家庭供水系统的脆弱性
Manas Ranjan Panda1, Jaehyeong Lee1, Yeonjoo Kim1
1Department of Civil & Environmental Engineering, Yonsei University, Seoul, South Korea.
The Science of the total environment
|November 12, 2025
概括
由于城市化,亚洲大城市面临着广泛的水需求风险. 技术进步显著改善了供水需求比率,而废水再利用效应则各不相同. 气候变化仍然是一个主要的压力因素.
科学领域:
- 城市水文学 城市水文学
- 系统动力学建模系统动力学建模
- 水资源管理 水资源管理
背景情况:
- 亚洲大城市的快速城市化和收入增长正在显著改变国内用水需求模式.
- 了解和预测未来的水需求和供应对于可持续的城市发展至关重要.
研究的目的:
- 开发一个集成的系统动态模型,重建2015年至2035年42个亚洲大城市的国内用水需求和供应.
- 通过量化不确定性和将关键风险指标合成复合脆弱性指数 (CVI) 来评估水安全漏洞.
主要方法:
- 根据气候,技术进步 (TA),废水再利用 (WR) 和经济增长,将42个大城市分为五个原型.
- 使用蒙特卡洛 (MC) 组合来量化需求和供应预测中的不确定性.
- 开发一个综合脆弱性指数 (CVI),整合短缺的深度,频率,概率和紧迫性.
主要成果:
- 需求增长集中在南亚和珍珠河地区;东亚大城市显示稳定或下降的趋势.
- 在所有原型中确定了几乎普遍的缺水风险 (供水与需求的比率<1).
- 技术进步始终改善了供水与需求的比例,而废水再利用的影响则取决于环境. 气候变化被证实是持续的压力因素.
结论:
- 开发的框架提供了不确定性意识的诊断,以优先考虑各种城市环境中的水资源管理策略.
- 调查结果强调了大规模技术进步对于加强城市水安全的重要性.
- 对废水再利用和供应增强计划的特定环境整合对于减轻水压至关重要.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
272
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...
272
Multiple Pipe Systems
1.2K
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
1.2K
Responses to Drought and Flooding
11.9K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.9K
What is Climate?
20.4K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
20.4K
Design Example: Designing a Residential Plumbing System
1.1K
The design of residential plumbing systems requires carefully evaluating water demand, flow rates, and pressure dynamics to ensure both efficiency and reliability. The nature of water flow within pipes is defined by its Reynolds number, which classifies flow as either laminar (smooth) or turbulent.
1.1K
Applications of GIS: Disaster Management and Emergency Response
444
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...
444

