jet stream

简明释义

急流

英英释义

例句

1.The jet stream 急流 influences the climate by affecting how air masses move around the globe.

急流 jet stream 通过影响空气团在全球的运动来影响气候。

2.Meteorologists study the jet stream 急流 to predict storm patterns and weather changes.

气象学家研究急流 jet stream 以预测风暴模式和天气变化。

3.The weather forecast mentioned that the jet stream 急流 would shift southward, bringing colder temperatures.

天气预报提到，急流 jet stream 将向南移动，带来更冷的气温。

4.Pilots often adjust their flight paths based on the location of the jet stream 急流 to save fuel.

飞行员通常根据急流 jet stream 的位置调整航线以节省燃料。

5.A strong jet stream 急流 can lead to severe weather events like tornadoes and thunderstorms.

强烈的急流 jet stream 可能导致严重的天气事件，如龙卷风和雷暴。

作文

The phenomenon of the jet stream is a critical aspect of atmospheric science that plays a significant role in weather patterns across the globe. A jet stream is essentially a fast-flowing, narrow air current found in the atmosphere, typically at altitudes of about 6 to 12 kilometers. These streams are primarily located near the tropopause, which is the boundary between the troposphere and the stratosphere. Understanding the dynamics of the jet stream is essential for meteorologists as it influences not only local weather conditions but also global climate systems.One of the most fascinating aspects of the jet stream is its ability to shift and change with the seasons. During the winter months, the jet stream tends to be stronger and more pronounced, often dipping further south. This shift can lead to severe weather events, such as cold snaps or heavy snowfall in areas that might otherwise enjoy milder winters. Conversely, in the summer, the jet stream usually weakens and moves northward, leading to warmer temperatures and more stable weather patterns.The jet stream is also responsible for the development of various weather systems. For example, it can steer storm systems, guiding them across continents and oceans. When the jet stream takes a meandering path, it can create areas of high and low pressure, resulting in different weather phenomena. A strong jet stream can enhance the intensity of storms, while a weaker one may lead to prolonged periods of calm weather.Moreover, the position and strength of the jet stream are influenced by several factors, including the Earth's rotation, temperature gradients, and topography. Research has shown that climate change is impacting the behavior of the jet stream, causing it to become more erratic. This can lead to extreme weather events, such as prolonged droughts or intense rainfall, affecting agriculture, water supply, and ecosystems.In aviation, the jet stream is of particular interest. Airlines often plan flight routes to take advantage of the strong tailwinds provided by the jet stream, which can significantly reduce travel time and fuel consumption. However, flying against a jet stream can result in longer flight times and increased fuel costs. Pilots and air traffic controllers must constantly monitor the location and intensity of the jet stream to optimize flight paths and ensure safety.In conclusion, the jet stream is a vital component of our atmosphere that affects weather, climate, and even aviation. As we continue to study and understand this complex system, we gain valuable insights into how to better predict weather patterns and respond to the challenges posed by climate change. The jet stream serves as a reminder of the interconnectedness of our planet's systems and the importance of ongoing research in meteorology and environmental science.

“喷流”现象是大气科学的一个关键方面，对全球天气模式起着重要作用。喷流本质上是指在大约6到12公里的高度上发现的一种快速流动、狭窄的气流。这些气流主要位于对流层顶与平流层之间的边界附近。理解喷流的动态对于气象学家至关重要，因为它不仅影响局部天气条件，还影响全球气候系统。喷流最迷人的一个方面是它能够随季节变化而移动和改变。在冬季，喷流通常更强且更明显，往往向南延伸。这种变化可能导致严重的天气事件，例如寒潮或在通常享受温和冬季的地区出现大雪。相反，在夏季，喷流通常减弱并向北移动，导致气温升高和天气模式更加稳定。喷流还负责各种天气系统的发展。例如，它可以引导风暴系统，指导它们穿越大陆和海洋。当喷流呈现曲折路径时，它可以创造出高压和低压区域，导致不同的天气现象。强劲的喷流可以增强风暴的强度，而较弱的喷流可能导致长时间的平静天气。此外，喷流的位置和强度受到多种因素的影响，包括地球的自转、温度梯度和地形。研究表明，气候变化正在影响喷流的行为，导致其变得更加不稳定。这可能导致极端天气事件，例如持续干旱或强降雨，影响农业、水供应和生态系统。在航空领域，喷流尤其引人关注。航空公司通常会规划航班路线，以利用喷流提供的强大顺风，这可以显著减少旅行时间和燃料消耗。然而，逆风飞行会导致航程延长和燃料成本增加。飞行员和空中交通管制员必须不断监测喷流的位置和强度，以优化航线并确保安全。总之，喷流是我们大气的重要组成部分，影响天气、气候甚至航空。随着我们继续研究和理解这一复杂系统，我们获得了更好的预测天气模式和应对气候变化挑战的宝贵见解。喷流提醒我们地球系统的相互联系以及气象学和环境科学持续研究的重要性。