相关实验视频
Updated: Jun 8, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.0K
水资源短缺:区域范围的评估和分析
Yuri M Macedo1, Jhonathan L de Souza2, Adriano L Troleis3
1Department of Geography, Instituto Federal do Rio Grande do Norte, Macau, Brazil.
Jamba (Potchefstroom, South Africa)
|November 7, 2024
概括
几乎是北里奥格兰德州的一半.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 水资源管理 水资源管理
背景情况:
- 水资源短缺对城市地区构成重大威胁.
- 有效的风险评估对于可持续的水资源管理至关重要.
研究的目的:
- 分析巴西北里约州市政城市水资源短缺的风险.
- 在该州的市政当局应用水资源短缺风险指数 (WSRI).
主要方法:
- 利用水资源短缺风险指数 (WSRI),分析了19个变量.
- 包括环境,基础设施,社会经济和国家规划指标.
- 在国家管理的供水系统中调查了153个市镇.
主要成果:
- 49%的分析市镇面临"高"或"非常高"的缺水风险.
- 40.5%的人处于"中等"风险,10%的人处于"低"风险.
- 一个城市的风险"非常高",74个城市的风险"高",62个城市的风险"中等",16个城市的风险"低".
结论:
- 很大一部分市镇存在高水资源短缺风险.
- 拟议的缓解策略包括盆地转化和系统集成.
- 建议进行水文地质研究,以进一步为水资源管理战略提供信息.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
40
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...
40
Responses to Drought and Flooding
10.6K
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.
10.6K
Regulation of Water Intake
480
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
480
Manipulation and Analysis
21
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...
21
Applications of GIS: Disaster Management and Emergency Response
53
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...
53
Dimensional Analysis
303
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...
303

