sea level datum

简明释义

水深基准面

英英释义

例句

1.The government established a new sea level datum to improve navigation safety.

政府建立了新的海平面基准以提高航行安全。

2.Researchers used a global sea level datum to analyze climate change impacts.

研究人员使用全球海平面基准来分析气候变化的影响。

3.The coastal city updated its flood maps based on the most recent sea level datum.

这座沿海城市根据最新的海平面基准更新了其洪水地图。

4.The sea level datum was adjusted to reflect the rising tides in the area.

该海平面基准被调整以反映该地区潮水的上涨。

5.In engineering projects, accurate sea level datum is crucial for design.

在工程项目中，准确的海平面基准对设计至关重要。

作文

Understanding the concept of sea level datum is essential for various fields such as geography, oceanography, and environmental science. A sea level datum serves as a reference point from which elevations and depths are measured. It is crucial for mapping and understanding the topography of the Earth's surface, especially in coastal areas where land meets the sea. The sea level datum is often based on the average sea level over a specific period, which can vary due to factors like tides, atmospheric pressure, and climatic changes. In practical terms, the sea level datum is used in construction, urban planning, and flood management. Engineers and architects rely on accurate measurements from the sea level datum to design buildings and infrastructure that can withstand potential flooding. For instance, when constructing a new bridge or a seawall, it is vital to know how high above the sea level datum the structure needs to be to prevent damage during storm surges or rising sea levels.Moreover, the sea level datum has implications for navigation and shipping. Vessels must have accurate charts that indicate water depths relative to the sea level datum to avoid running aground. This is particularly important in shallow waters where even a small change in water level could pose a significant risk to maritime safety.Environmental scientists also utilize the sea level datum to study climate change and its effects on global sea levels. As ice caps melt and temperatures rise, understanding how these changes impact the sea level datum is critical for predicting future scenarios. Rising sea levels threaten coastal communities, ecosystems, and biodiversity, making the sea level datum a key factor in environmental conservation efforts.In summary, the sea level datum is more than just a technical term; it is a fundamental aspect of our understanding of the planet. Its applications span across multiple disciplines, highlighting the interconnectedness of science, engineering, and environmental stewardship. As we face global challenges such as climate change, the importance of accurately measuring and understanding the sea level datum will only continue to grow. By integrating this knowledge into our planning and decision-making processes, we can better prepare for the future and protect our coastal regions from the inevitable changes that lie ahead.

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。海平面基准作为一个参考点，用于测量海拔和深度。它对于绘制地图和理解地球表面的地形尤其重要，特别是在陆地与海洋相接的沿海地区。海平面基准通常基于特定时期的平均海平面，这可能因潮汐、大气压力和气候变化等因素而有所不同。在实际应用中，海平面基准被用于建设、城市规划和防洪管理。工程师和建筑师依赖于来自海平面基准的准确测量来设计能够抵御潜在洪水的建筑和基础设施。例如，在建造新桥或海堤时，了解结构需要高出海平面基准多少是至关重要的，以防止在风暴潮或海平面上升期间造成损害。此外，海平面基准对航行和航运也有影响。船只必须拥有相对于海平面基准的准确水深图，以避免搁浅。这在水域较浅的地方尤为重要，因为即使是水位的微小变化也可能对海事安全构成重大风险。环境科学家还利用海平面基准来研究气候变化及其对全球海平面的影响。随着冰盖融化和气温上升，理解这些变化如何影响海平面基准对于预测未来情景至关重要。海平面上升威胁到沿海社区、生态系统和生物多样性，使得海平面基准成为环境保护努力中的关键因素。总之，海平面基准不仅仅是一个技术术语；它是我们理解地球的基本方面。它的应用跨越多个学科，突显了科学、工程和环境保护之间的相互联系。随着我们面临气候变化等全球挑战，准确测量和理解海平面基准的重要性将会不断增加。通过将这一知识融入我们的规划和决策过程中，我们可以更好地为未来做好准备，保护我们的沿海地区免受即将到来的不可避免的变化。