相关实验视频
Updated: Jan 13, 2026

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.4K
将洪水损失数据集成到社区风险估计的经验模型中
1Old Dominion University, Norfolk, Virginia. ORCID: https://orcid.org/0000-0002-1612-8805.
Journal of emergency management (Weston, Mass.)
|January 8, 2026
概括
热带风暴的影响带来了越来越大的风险. 这项研究为弗吉尼亚州诺福克州开发了一种洪水风险模型,根据海拔,保险索赔和政策数据确定高风险物业,以帮助社区恢复能力规划.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 风险评估 风险评估
背景情况:
- 热带风暴的频率和强度不断增加,需要对社区和房主进行更好的风险评估.
- 了解极端天气事件的潜在影响对于未来的规划至关重要.
研究的目的:
- 开发一种实证建模方法,以确定热带风暴事件风险较高的地区.
- 描述社区层面的洪水风险,并确定高风险的"热点".
主要方法:
- 利用弗吉尼亚州诺福克市作为一个案例研究.
- 开发了基于高度,洪水保险支付和活跃洪水保险政策的风险评分.
- 纳入建成基础设施和房地产风险数据.
主要成果:
- 该方法成功地确定了未来洪水事件风险较高的物业.
- 突出了社区内的特定"热点",表明风险集中.
- 证明了该模型在描述社区范围内的洪水风险方面的实用性.
结论:
- 经验建模方法为社区弹性规划和危险减轻提供了有价值的工具.
- 结果可以为针对高风险地区的有针对性的干预和资源分配提供信息.
- 通过更容易获得的数据进一步细化模型可以减少不确定性.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
281
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...
281
Applications of GIS: Disaster Management and Emergency Response
452
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...
452
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
Design Example: Creating a Hydraulic Model of a Dam Spillway
664
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
664
Typical Model Studies
615
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
615
Hazard Rate
399
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
399

