atmospheric stability

简明释义

大气稳定度

英英释义

例句

1.Meteorologists often assess atmospheric stability to predict weather patterns.

气象学家常常评估大气稳定性以预测天气模式。

2.In winter, atmospheric stability can trap cold air near the ground, leading to frost.

在冬季，大气稳定性可能会将冷空气困在地面附近，导致霜冻。

3.Pilots need to be aware of atmospheric stability when flying through different layers of the atmosphere.

飞行员在穿越不同大气层时需要注意大气稳定性。

4.The atmospheric stability index is crucial for understanding potential storm development.

大气稳定性指数对理解潜在风暴发展至关重要。

5.A high level of atmospheric stability can lead to smog formation in urban areas.

高水平的大气稳定性可能导致城市地区雾霾形成。

作文

Understanding the concept of atmospheric stability is essential for comprehending various weather phenomena and their implications. In meteorology, atmospheric stability refers to the tendency of the atmosphere to resist or enhance vertical motion. When the atmosphere is stable, air parcels that are displaced vertically tend to return to their original position, leading to calm weather conditions. Conversely, when the atmosphere is unstable, displaced air parcels continue to rise or fall, resulting in turbulent weather patterns such as thunderstorms and strong winds.The stability of the atmosphere is influenced by several factors, including temperature, humidity, and the presence of inversions. For instance, during the daytime, the sun heats the Earth's surface, causing the air near the ground to warm up. If this warm air is lighter than the cooler air above it, it will rise, leading to instability. In contrast, at night, the ground cools down, and if the air near the surface becomes cooler than the air above, it creates a stable layer, preventing vertical movement.Understanding atmospheric stability is crucial for pilots and meteorologists alike. For pilots, knowing whether the atmosphere is stable or unstable can influence flight safety. In stable conditions, flights are generally smoother, while unstable conditions may lead to turbulence that can affect passenger comfort and aircraft performance. Meteorologists use stability indices to predict severe weather events. For example, a high value on the Lifted Index indicates an unstable atmosphere, which could lead to convective storms.In urban areas, atmospheric stability plays a significant role in air quality. During stable atmospheric conditions, pollutants can become trapped close to the ground, leading to smog and poor air quality. This phenomenon is particularly common in valleys or cities surrounded by mountains, where temperature inversions can occur, exacerbating pollution levels. Awareness of atmospheric stability can help city planners and public health officials implement strategies to mitigate air pollution, such as encouraging public transportation or regulating emissions from industries.Moreover, climate change is altering patterns of atmospheric stability. As global temperatures rise, the frequency and intensity of extreme weather events are increasing. Understanding how these changes impact atmospheric stability is vital for predicting future weather patterns and preparing for natural disasters. For instance, warmer temperatures can lead to more frequent instances of instability, resulting in increased occurrences of severe storms and flooding.In conclusion, atmospheric stability is a fundamental aspect of meteorology that affects weather patterns, aviation safety, air quality, and climate change. A comprehensive understanding of this concept not only aids in forecasting but also helps in making informed decisions regarding public safety and environmental policies. As we continue to navigate the complexities of our changing climate, the importance of studying atmospheric stability cannot be overstated, as it holds the key to understanding and mitigating the impacts of weather on our daily lives.

理解大气稳定性的概念对于理解各种天气现象及其影响至关重要。在气象学中，大气稳定性指的是大气抵抗或增强垂直运动的倾向。当大气稳定时，被垂直位移的空气团倾向于返回到其原始位置，从而导致平静的天气条件。相反，当大气不稳定时，被位移的空气团会继续上升或下降，导致如雷暴和强风等动荡的天气模式。大气的稳定性受多种因素的影响，包括温度、湿度和逆温层的存在。例如，在白天，太阳加热地球表面，使得靠近地面的空气变暖。如果这股暖空气比上方的冷空气轻，它将上升，导致不稳定。相反，在夜间，地面降温，如果靠近表面的空气变得比上方的空气更冷，就会形成一个稳定的层，阻止垂直运动。理解大气稳定性对飞行员和气象学家都至关重要。对于飞行员来说，了解大气是稳定还是不稳定可以影响飞行安全。在稳定的条件下，飞行通常较为平稳，而在不稳定的条件下可能会导致颠簸，从而影响乘客的舒适度和飞机的性能。气象学家使用稳定指数来预测严重天气事件。例如，抬升指数的高值表明大气不稳定，这可能导致对流风暴的发生。在城市地区，大气稳定性在空气质量方面发挥着重要作用。在稳定的大气条件下，污染物可能会被困在靠近地面的地方，导致烟雾和空气质量差。这种现象在山谷或被山脉环绕的城市中特别常见，在这里可能会发生温度逆转，加剧污染水平。对大气稳定性的认识可以帮助城市规划者和公共卫生官员实施减缓空气污染的策略，例如鼓励公共交通或规范工业排放。此外，气候变化正在改变大气稳定性的模式。随着全球气温上升，极端天气事件的频率和强度也在增加。理解这些变化如何影响大气稳定性对于预测未来的天气模式和准备自然灾害至关重要。例如，温暖的气温可能导致不稳定的情况更为频繁，从而导致更频繁的严重风暴和洪水。总之，大气稳定性是气象学的一个基本方面，影响天气模式、航空安全、空气质量和气候变化。全面理解这一概念不仅有助于天气预测，还帮助做出有关公共安全和环境政策的明智决策。在我们继续应对不断变化的气候的复杂性时，研究大气稳定性的重要性不容小觑，因为它是理解和减轻天气对我们日常生活影响的关键。