sea level datum

简明释义

基准平均海面

英英释义

例句

1.Researchers study historical data to understand shifts in sea level datum 海平面基准 over time.

研究人员研究历史数据以了解海平面基准随时间的变化。

2.Changes in the sea level datum 海平面基准 can affect property values along the coast.

海平面基准的变化可能会影响沿海地区的房产价值。

3.The coastal city used the sea level datum 海平面基准 to plan for future flooding risks.

这座沿海城市使用了海平面基准来规划未来的洪水风险。

4.Surveyors rely on accurate sea level datum 海平面基准 to ensure their measurements are correct.

测量员依赖准确的海平面基准来确保他们的测量是正确的。

5.In engineering projects, it's crucial to establish a reliable sea level datum 海平面基准 before construction begins.

在工程项目中，在施工开始之前建立一个可靠的海平面基准是至关重要的。

作文

Understanding the concept of sea level datum is crucial for various fields, including geography, oceanography, and environmental science. A sea level datum refers to a reference point used to measure elevation and depth relative to the average sea level. This datum is essential for creating accurate topographic maps, conducting engineering projects, and assessing flood risks in coastal areas. It provides a standard baseline from which heights (like mountains) and depths (like ocean trenches) can be measured. The determination of a sea level datum involves extensive measurements and calculations. Scientists use tide gauges placed at various locations along coastlines to record the changes in sea level over time. These measurements are then averaged out to establish a mean sea level, which serves as the foundation for the sea level datum. The accuracy of this datum is vital because it influences many aspects of life, including urban planning, navigation, and climate change studies.In coastal cities, for instance, understanding the sea level datum can help city planners design infrastructure that can withstand potential flooding. As sea levels continue to rise due to climate change, knowing the precise measurements related to sea level datum becomes even more critical. It allows for better predictions of future sea levels and enables communities to implement necessary adaptations.Furthermore, the sea level datum is not static; it can change due to various factors such as tectonic activity, sediment deposition, and human intervention. For example, land subsidence in some areas can lead to a relative increase in sea level, affecting how we interpret the sea level datum. Therefore, continuous monitoring and updating of this datum are essential for maintaining its relevance and accuracy.In summary, the sea level datum is a fundamental concept that plays a significant role in numerous scientific and practical applications. Its importance cannot be overstated, as it aids in understanding our planet's geography and helps societies prepare for the challenges posed by rising sea levels. As we continue to grapple with environmental issues, recognizing the significance of the sea level datum will be vital for sustainable development and disaster preparedness.

理解海平面基准的概念对于地理学、海洋学和环境科学等多个领域至关重要。海平面基准是指用于测量相对于平均海平面的高度和深度的参考点。这个基准对于创建准确的地形图、进行工程项目以及评估沿海地区的洪水风险是必不可少的。它提供了一个标准基线，从中可以测量高度（如山脉）和深度（如海沟）。海平面基准的确定涉及大量的测量和计算。科学家们在沿海岸线的不同位置使用潮汐计记录海平面随时间变化的数据。这些测量数据会被平均，以建立一个平均海平面，而这就是海平面基准的基础。这个基准的准确性至关重要，因为它影响着生活的许多方面，包括城市规划、航行和气候变化研究。例如，在沿海城市，了解海平面基准可以帮助城市规划者设计能够抵御潜在洪水的基础设施。随着气候变化导致海平面不断上升，了解与海平面基准相关的精确测量变得更加关键。它使我们能够更好地预测未来的海平面，并使社区能够实施必要的适应措施。此外，海平面基准并不是静态的；由于各种因素，如构造活动、沉积物沉积和人类干预，它可能会发生变化。例如，某些地区的土地下沉可能导致相对海平面的上升，影响我们对海平面基准的解读。因此，持续监测和更新这一基准对于保持其相关性和准确性至关重要。总之，海平面基准是一个基本概念，在众多科学和实际应用中扮演着重要角色。它的重要性不容小觑，因为它有助于理解我们星球的地理状况，并帮助社会为海平面上升带来的挑战做好准备。在我们继续应对环境问题时，认识到海平面基准的重要性将对可持续发展和灾害准备至关重要。