相关实验视频
Updated: Jul 2, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.0K
优先考虑水供应研究设置,以应对地质污染物和相关的社会因素
Melinda L Erickson1, Craig J Brown2, Elizabeth J Tomaszewski3
1U.S. Geological Survey, 2280 Woodale Drive, Mounds View, MN, 55112, USA. merickso@usgs.gov.
Environmental monitoring and assessment
|February 24, 2024
概括
这项研究对美国的流域进行了水资源可用性研究,考虑了地质污染物和社会因素. 优先考虑环境和社会考虑的领域,提高了研究公平性,减少了偏见.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 水资源管理 水资源管理
背景情况:
- 水的可用性对于人类和生态的需求至关重要,这取决于数量和质量.
- 美国地质调查局 (USGS) 正在改进方法,以优先考虑国家水资源可用性研究.
- 以前的USGS排名集中在水量上,但现在包括水质因素,特别是地质成分.
研究的目的:
- 开发一个排名系统,对盆地规模的水资源可用性研究,在连续的美国.
- 评估地质成分对水质的影响,并确定优先研究领域.
- 将社会因素纳入优先考虑过程,以实现更大的公平性和减少偏见.
主要方法:
- 开发了一种考虑地质成分 (微量元素,放射性核素) 和它们的地化学控制的排名方法.
- 将社会因素,包括社会人口统计和数据差距纳入优先级框架.
- 将排名结果与社会变量纳入或不纳入进行比较.
主要成果:
- 确定了高度的地质成分作为影响水供应的普遍污染物.
- 证明人类活动可以影响地质成分的移动性.
- 强调社会因素的重要性,如环境正义方面的考虑,在水质研究.
结论:
- 同时考虑社会和传统因素提供了一个更全面的工具来优先考虑水供应研究.
- 整合跨学科方法可以提高公平性,减少水资源管理决策中的偏见.
- 拟议的排名方法为未来的水供应研究提供了更强大的框架.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
47
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...
47
Applications of GIS: Disaster Management and Emergency Response
78
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...
78
Responses to Drought and Flooding
10.7K
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.
10.7K
The Water Cycle
24.5K
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.
24.5K
Factors Affecting Solubility
33.4K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
33.4K
Manipulation and Analysis
25
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...
25

