altitude indicated above mean sea level

简明释义

平均海平面以上高度

英英释义

例句

1.Pilots must always be aware of the altitude indicated above mean sea level to ensure safe navigation.

飞行员必须始终注意海平面以上的高度以确保安全导航。

2.When climbing, hikers should monitor their altitude indicated above mean sea level using a GPS device.

在爬山时，徒步旅行者应使用GPS设备监测他们的海平面以上的高度。

3.The air traffic controller informed the pilot of the altitude indicated above mean sea level for landing.

空中交通管制员通知飞行员着陆时的海平面以上的高度。

4.The weather report provided the altitude indicated above mean sea level for the mountain range.

气象报告提供了该山脉的海平面以上的高度。

5.The aircraft's altitude indicated above mean sea level is 30,000 feet during the flight.

在飞行中，飞机的海平面以上的高度为30,000英尺。

作文

Understanding the concept of altitude is crucial for various fields, including aviation, geography, and meteorology. One specific term that often arises in these contexts is altitude indicated above mean sea level. This phrase refers to the height of an object or location relative to the average level of the sea, which is considered a standard reference point. In this essay, we will explore the significance of this measurement and its applications in different domains.Firstly, let’s break down the term. The word 'altitude' simply means the height of an object in relation to a reference point. When we specify 'mean sea level' (MSL), we are using a globally recognized baseline that represents the average height of the ocean's surface. This is important because sea levels can vary due to tides and weather patterns, so using a mean provides a consistent reference. Thus, altitude indicated above mean sea level is a precise way to communicate how high something is situated above this average ocean level.In aviation, understanding altitude indicated above mean sea level is vital for pilots. When flying, aircraft must maintain a certain altitude to ensure safety and avoid obstacles. The altimeter in the cockpit measures the aircraft's altitude based on air pressure, which correlates with height above MSL. For example, if a pilot is instructed to fly at 10,000 feet, this measurement is understood as 10,000 feet altitude indicated above mean sea level. This ensures that all pilots are using the same reference point, reducing the risk of collisions and enhancing overall air traffic safety.In geography, altitude indicated above mean sea level helps us understand the topography of an area. Mountains, valleys, and plains are often described by their elevation above MSL. For instance, the elevation of Mount Everest is approximately 29,032 feet altitude indicated above mean sea level, making it the highest point on Earth. This information is not only useful for climbers but also for scientists studying climate patterns, ecosystems, and geological formations. The altitude can affect temperature, vegetation, and wildlife, making it an essential factor in environmental studies.Meteorology also relies heavily on altitude indicated above mean sea level. Weather patterns can change significantly with altitude. For instance, temperatures generally decrease as altitude increases, which is why mountainous regions often experience cooler climates than surrounding areas. When meteorologists report weather conditions, they often specify the altitude at which certain phenomena occur, such as cloud formations or precipitation levels, using the altitude indicated above mean sea level as a reference.Furthermore, understanding altitude indicated above mean sea level is essential for outdoor enthusiasts and sports. Hikers, climbers, and skiers need to be aware of the altitude of their locations to prepare adequately for the challenges posed by elevation changes, such as altitude sickness. Knowing the altitude helps adventurers gauge the difficulty of trails and the necessary equipment to carry.In conclusion, the phrase altitude indicated above mean sea level is more than just a technical term; it plays a significant role in various aspects of life. From aviation safety to geographical exploration and weather forecasting, understanding this concept allows us to navigate the world more effectively. As we continue to study our planet and explore new heights, the importance of accurate altitude measurements will remain paramount. Therefore, embracing the knowledge surrounding altitude indicated above mean sea level can enhance our understanding of the environment and improve our safety in numerous activities.

理解海拔的概念对于航空、地理和气象等多个领域至关重要。其中一个常见的术语是海平面以上的指示高度。这个短语指的是某个物体或地点相对于海洋平均水平的高度，这被视为一个标准参考点。在这篇文章中，我们将探讨这个测量的意义及其在不同领域中的应用。首先，让我们分解这个术语。“海拔”一词简单地意味着某个物体相对于参考点的高度。当我们指定“平均海平面”（MSL）时，我们使用的是一个全球公认的基准，表示海洋表面的平均高度。这一点很重要，因为海平面因潮汐和天气模式而变化，因此使用平均值提供了一致的参考。因此，海平面以上的指示高度是准确传达某物高于这一平均海洋水平的高度的一种方式。在航空领域，了解海平面以上的指示高度对飞行员至关重要。在飞行过程中，飞机必须保持一定的高度以确保安全并避免障碍物。驾驶舱中的高度计根据气压测量飞机的高度，这与海平面以上的高度相关。例如，如果飞行员被指示以10,000英尺的高度飞行，则该测量被理解为10,000英尺的海平面以上的指示高度。这确保所有飞行员都使用相同的参考点，从而减少碰撞风险，增强整体空中交通安全。在地理学中，海平面以上的指示高度帮助我们理解一个地区的地形。山脉、山谷和平原通常通过其相对于MSL的高度来描述。例如，珠穆朗玛峰的海拔约为29,032英尺，成为地球上最高的点。这些信息不仅对登山者有用，也对研究气候模式、生态系统和地质构造的科学家们很重要。海拔可以影响温度、植被和野生动物，使其成为环境研究中的一个重要因素。气象学也在很大程度上依赖于海平面以上的指示高度。天气模式在不同海拔高度可能会显著变化。例如，随着海拔的增加，温度通常会下降，这就是为什么山区往往比周围地区气候更凉爽的原因。当气象学家报告天气条件时，他们通常会指定某些现象发生的高度，例如云层形成或降水水平，使用海平面以上的指示高度作为参考。此外，理解海平面以上的指示高度对于户外爱好者和运动爱好者也是必不可少的。徒步旅行者、登山者和滑雪者需要了解他们位置的海拔，以便充分准备应对由海拔变化带来的挑战，例如高山病。了解海拔有助于冒险者评估小径的难度以及所需携带的装备。总之，短语海平面以上的指示高度不仅仅是一个技术术语；它在生活的各个方面发挥着重要作用。从航空安全到地理探索和天气预报，理解这一概念使我们能够更有效地导航世界。随着我们继续研究我们的星球和探索新高度，准确的海拔测量的重要性将始终是首要任务。因此，拥抱关于海平面以上的指示高度的知识可以增强我们对环境的理解，并改善我们在众多活动中的安全性。