above mean sea level

简明释义

平均海平面以上;

英英释义

例句

1.Airports often list their runways' elevations in feet above mean sea level.

机场通常以英尺为单位列出跑道的海拔，单位是高于平均海平面。

2.Scientists measure the water levels in lakes above mean sea level to understand climate change.

科学家测量湖泊的水位，以高于平均海平面的方式来理解气候变化。

3.The city is located at 2,000 feet above mean sea level, making it one of the highest urban areas in the region.

这座城市位于2000英尺高于平均海平面，使其成为该地区最高的城市之一。

4.The hiking trail reaches a point that is 1,500 meters above mean sea level.

这条徒步旅行小径到达一个海拔1500米的点，高于平均海平面。

5.The mountain peak rises to an elevation of 3,500 meters above mean sea level.

这座山峰的海拔为3500米高于平均海平面。

作文

Understanding geographical terms is essential for anyone interested in the natural world. One term that frequently appears in maps, topographical studies, and geographical discussions is "above mean sea level". This phrase refers to the height of a location in relation to the average level of the ocean's surface, which is considered to be zero elevation. The concept of "above mean sea level" is crucial not only for navigation and mapping but also for understanding various environmental and climatic conditions.For instance, when we say that a mountain peak is 2,000 meters above mean sea level, it means that this peak rises 2,000 meters higher than the average height of the ocean's surface. This measurement is vital for climbers, geologists, and environmental scientists who need to assess the altitude of various terrains. It helps in determining climate patterns, as higher altitudes typically experience cooler temperatures and different weather conditions compared to areas at sea level.Moreover, the phrase "above mean sea level" is significant in urban planning and construction. Buildings and infrastructures are often designed with their elevations noted in relation to this standard. For example, a city might have certain regulations that require structures to be built at least a certain number of feet above mean sea level to avoid flooding during high tides or storms. This ensures safety and stability for the inhabitants of that area.Another area where the term is relevant is in aviation. Pilots must be aware of their altitude in relation to "above mean sea level" to ensure safe takeoffs and landings. Air traffic control uses this standard to provide directions and maintain safe distances between aircraft. Understanding how high an airplane is flying above mean sea level can prevent accidents and ensure smooth operations in the skies.In addition, the phrase has implications for environmental conservation. Areas that are significantly above mean sea level may have unique ecosystems that are sensitive to changes in climate. Conservationists study these regions to understand how rising sea levels due to climate change might affect biodiversity. By monitoring elevations, they can predict which habitats are at risk and take action to protect them.In conclusion, the term "above mean sea level" is more than just a geographical measurement; it is a critical concept that influences various fields such as geology, urban planning, aviation, and environmental science. Its significance lies in its ability to provide a standard reference point that aids in navigation, safety, and conservation efforts. As we continue to explore and understand our planet, grasping the meaning and implications of terms like "above mean sea level" becomes increasingly important for both scientific inquiry and everyday life.

理解地理术语对于任何对自然世界感兴趣的人来说都是必不可少的。一个在地图、地形研究和地理讨论中经常出现的术语是“高于平均海平面”。这个短语指的是一个地点相对于海洋表面平均水平的高度，海洋表面被认为是零海拔。“高于平均海平面”的概念不仅对导航和制图至关重要，还对理解各种环境和气候条件非常重要。例如，当我们说一座山峰的高度为2000米时，这意味着该峰比海洋表面的平均高度高出2000米。这种测量对于登山者、地质学家和环境科学家来说至关重要，他们需要评估各种地形的高度。它有助于确定气候模式，因为较高的海拔通常会经历比海平面地区更凉爽的温度和不同的天气条件。此外，“高于平均海平面”这一短语在城市规划和建设中也具有重要意义。建筑物和基础设施通常以相对于这一标准的海拔高度进行设计。例如，一个城市可能会有某些规定，要求建筑物的高度至少要高出一定的英尺，以避免在高潮或风暴期间发生洪水。这确保了该地区居民的安全和稳定。另一个相关领域是航空。飞行员必须了解他们的高度相对于“高于平均海平面”的情况，以确保安全起飞和着陆。空中交通管制使用这一标准来提供指令并保持飞机之间的安全距离。了解飞机飞行的高度“高于平均海平面”可以防止事故并确保空中操作的顺利进行。此外，这个短语对环境保护也有影响。那些显著“高于平均海平面”的地区可能拥有独特的生态系统，这些生态系统对气候变化的影响非常敏感。保护主义者研究这些区域，以了解由于气候变化导致的海平面上升可能如何影响生物多样性。通过监测海拔，他们可以预测哪些栖息地面临风险，并采取措施保护它们。总之，“高于平均海平面”这一术语不仅仅是一个地理测量；它是一个关键概念，影响着地质学、城市规划、航空和环境科学等多个领域。它的重要性在于它能够提供一个标准参考点，有助于导航、安全和保护工作。随着我们继续探索和理解我们的星球，掌握像“高于平均海平面”这样的术语的含义及其影响变得越来越重要，无论是对于科学研究还是日常生活。