freeboard exceedance frequency

简明释义

浪越舷频率

英英释义

例句

1.The report detailed the freeboard exceedance frequency 超越自由板频率 for various types of cargo ships.

报告详细说明了各种类型货船的freeboard exceedance frequency 超越自由板频率。

2.By analyzing the freeboard exceedance frequency 超越自由板频率, we can predict potential overflows in the harbor.

通过分析freeboard exceedance frequency 超越自由板频率，我们可以预测港口的潜在溢出。

3.The design engineer calculated the freeboard exceedance frequency 超越自由板频率 to ensure the vessel would remain stable during heavy storms.

设计工程师计算了freeboard exceedance frequency 超越自由板频率，以确保船只在恶劣风暴中保持稳定。

4.The safety regulations require that the freeboard exceedance frequency 超越自由板频率 must not exceed a certain threshold.

安全法规要求freeboard exceedance frequency 超越自由板频率不得超过某一阈值。

5.Understanding the freeboard exceedance frequency 超越自由板频率 is crucial for assessing flood risks in coastal areas.

了解freeboard exceedance frequency 超越自由板频率对于评估沿海地区的洪水风险至关重要。

作文

In the field of hydrology and coastal engineering, understanding the concept of freeboard exceedance frequency is crucial for designing safe and resilient structures. Freeboard refers to the vertical distance between the water surface and the top of a structure, such as a levee or a seawall. It is an essential aspect of flood risk management, as it provides a buffer against unexpected rises in water levels due to storms, tides, or other natural phenomena. The freeboard exceedance frequency is a statistical measure that indicates how often the water level is expected to exceed the freeboard height over a specified period. This frequency is vital for engineers and planners when assessing the safety and reliability of their designs.To illustrate the importance of freeboard exceedance frequency, consider a coastal city vulnerable to hurricanes. Engineers must determine an appropriate freeboard height for the city's seawalls. If they set the freeboard too low, there is a higher risk of flooding during extreme weather events. Conversely, if the freeboard is set excessively high, it may lead to unnecessary costs and resource allocation. Thus, understanding the freeboard exceedance frequency helps strike a balance between safety and economic feasibility.The calculation of freeboard exceedance frequency involves analyzing historical data on water levels and storm events. By evaluating past occurrences, engineers can estimate the probability of future exceedances. For example, if historical data indicates that the water level exceeds the freeboard height once every 50 years, the freeboard exceedance frequency would be 0.02 or 2%. This information is critical for decision-making processes regarding infrastructure development and disaster preparedness.Moreover, the freeboard exceedance frequency is not a static value; it can change based on various factors such as climate change, land use changes, and urban development. As sea levels rise and weather patterns become more unpredictable, the frequency with which water levels exceed freeboard heights may increase. Therefore, continuous monitoring and updating of calculations related to freeboard exceedance frequency are necessary to ensure that structures remain effective over time.In conclusion, the concept of freeboard exceedance frequency is vital for engineers and urban planners involved in flood risk management and coastal protection. By accurately calculating this frequency, professionals can design structures that provide adequate safety while also considering economic implications. As climate change continues to pose challenges to coastal communities, understanding and applying the principles of freeboard exceedance frequency will be essential for building resilient infrastructures that can withstand the test of time and nature.

在水文学和海岸工程领域，理解自由板超越频率的概念对于设计安全和具有韧性的结构至关重要。自由板是指水面与结构顶部（如堤坝或海堤）之间的垂直距离。它是洪水风险管理的重要方面，因为它为应对由于风暴、潮汐或其他自然现象导致的水位意外上升提供了缓冲。自由板超越频率是一种统计度量，指在特定时间段内，水位超过自由板高度的预期频率。这一频率对于工程师和规划者在评估其设计的安全性和可靠性时至关重要。为了说明自由板超越频率的重要性，考虑一个易受飓风影响的沿海城市。工程师必须确定该市海堤的适当自由板高度。如果他们将自由板设定得过低，则在极端天气事件中面临更高的洪水风险。相反，如果自由板设定得过高，则可能导致不必要的成本和资源分配。因此，理解自由板超越频率有助于在安全性和经济可行性之间找到平衡。自由板超越频率的计算涉及对水位和风暴事件的历史数据进行分析。通过评估过去的发生情况，工程师可以估计未来超越的概率。例如，如果历史数据显示水位每50年超过一次自由板高度，则自由板超越频率为0.02或2%。这一信息对基础设施开发和灾害准备过程中的决策至关重要。此外，自由板超越频率并不是一个静态值；它可能会根据气候变化、土地利用变化和城市发展等各种因素而变化。随着海平面上升和天气模式变得更加不可预测，水位超过自由板高度的频率可能会增加。因此，持续监测和更新与自由板超越频率相关的计算对于确保结构在时间和使用上保持有效是必要的。总之，自由板超越频率的概念对参与洪水风险管理和沿海保护的工程师和城市规划者至关重要。通过准确计算这一频率，专业人员可以设计出既能提供足够安全性又考虑经济影响的结构。随着气候变化继续给沿海社区带来挑战，理解和应用自由板超越频率的原则将对建设能够经受时间和自然考验的韧性基础设施至关重要。