mean sea level

简明释义

平均海面平均海面平均海平面

英英释义

例句

1.The tidal gauge records the height of water relative to mean sea level.

潮汐计记录水位相对于平均海平面的高度。

2.When planning coastal construction, it's crucial to consider mean sea level changes.

在规划沿海建设时，考虑平均海平面的变化是至关重要的。

3.The data collected shows that the mean sea level has risen over the last century.

收集的数据表明，过去一个世纪平均海平面上升了。

4.The elevation of the city is measured in feet above mean sea level.

这个城市的海拔是以高于平均海平面的英尺来测量的。

5.Surveys often use mean sea level as a reference point for mapping.

测量通常使用平均海平面作为制图的参考点。

作文

The concept of mean sea level refers to the average height of the ocean's surface, measured over a long period of time, and is used as a standard in various fields such as geography, aviation, and marine navigation. Understanding mean sea level is crucial for multiple reasons, particularly in relation to climate change and its impact on coastal areas. Firstly, mean sea level serves as a baseline for measuring elevation and depth. For instance, when we say that a mountain is 2,000 meters above sea level, we are using mean sea level as a reference point. This standardized measurement allows for consistency in topographical maps and is essential for construction projects that require precise elevation data. Moreover, mean sea level is vital for understanding the effects of global warming. As polar ice melts and ocean waters expand due to rising temperatures, the mean sea level rises, leading to increased flooding and erosion in coastal regions. Scientists and researchers closely monitor changes in mean sea level to predict future scenarios and assess the risk to vulnerable communities. In addition, the concept of mean sea level plays a significant role in navigation. Ships and aircraft often rely on this measurement to ensure safe travel. For example, pilots use mean sea level to calculate altitude, ensuring they maintain a safe distance from the ground. Similarly, sailors use mean sea level to determine their position and navigate safely through waterways. Furthermore, the influence of mean sea level extends to environmental studies. Wetlands, estuaries, and other ecosystems are affected by changes in mean sea level. These habitats are crucial for biodiversity and serve as natural buffers against storm surges and flooding. By monitoring mean sea level, ecologists can better understand how these ecosystems adapt or suffer from rising waters. Public awareness of mean sea level and its implications is necessary for effective policy-making. Governments must consider mean sea level in urban planning, infrastructure development, and disaster preparedness. Communities at risk of flooding need to be informed about the potential consequences of rising waters and should be involved in developing strategies for adaptation and resilience. In conclusion, the significance of mean sea level cannot be overstated. It is a fundamental reference point in various fields, playing a crucial role in navigation, environmental science, and urban planning. As we face the challenges posed by climate change, understanding and monitoring mean sea level will be essential for protecting our coastal communities and ecosystems. By prioritizing this knowledge, we can work towards a more sustainable future that considers the delicate balance between human activity and the natural world.

“平均海平面”这一概念指的是海洋表面的平均高度，通常是在较长时间内测量得出的，并且在地理、航空和海洋导航等多个领域中被用作标准。理解“平均海平面”至关重要，尤其是与气候变化及其对沿海地区的影响相关。首先，“平均海平面”作为测量海拔和深度的基准。例如，当我们说一座山的海拔为2000米时，我们就是在使用“平均海平面”作为参考点。这一标准化的测量方法使地形图的一致性成为可能，并且对于需要精确海拔数据的建设项目至关重要。此外，“平均海平面”对于理解全球变暖的影响也至关重要。随着极地冰盖的融化和海水因温度上升而膨胀，“平均海平面”上升，导致沿海地区的洪水和侵蚀加剧。科学家和研究人员密切监测“平均海平面”的变化，以预测未来情景并评估对脆弱社区的风险。此外，“平均海平面”的概念在导航中也起着重要作用。船只和飞机通常依赖这一测量来确保安全旅行。例如，飞行员使用“平均海平面”计算高度，确保他们与地面保持安全距离。同样，水手使用“平均海平面”确定他们的位置，并安全航行于水道中。此外，“平均海平面”的影响还扩展到环境研究。湿地、河口和其他生态系统受到“平均海平面”变化的影响。这些栖息地对生物多样性至关重要，并且作为抵御风暴潮和洪水的自然缓冲区。通过监测“平均海平面”，生态学家能够更好地理解这些生态系统如何适应或遭受水位上升的影响。公众对“平均海平面”及其影响的认识对于有效的政策制定是必要的。政府在城市规划、基础设施建设和灾害准备中必须考虑“平均海平面”。面临洪水风险的社区需要了解水位上升的潜在后果，并应参与制定适应和韧性的策略。总之，“平均海平面”的重要性不容小觑。它是各个领域的基本参考点，在导航、环境科学和城市规划中发挥着关键作用。随着我们面临气候变化带来的挑战，理解和监测“平均海平面”将对保护我们的沿海社区和生态系统至关重要。通过优先考虑这一知识，我们可以朝着一个更加可持续的未来迈进，考虑人类活动与自然世界之间的微妙平衡。