prevailing westerlies

简明释义

盛行西风

英英释义

例句

1.In the Southern Hemisphere, the prevailing westerlies 西风带 influence the climate of many coastal regions.

在南半球，西风带影响着许多沿海地区的气候。

2.Farmers in California benefit from the moisture brought by the prevailing westerlies 西风带 during winter.

加利福尼亚的农民在冬季受益于西风带带来的湿气。

3.Sailors often rely on the prevailing westerlies 西风带 for favorable winds during their voyages.

水手们常常依靠西风带在航行中获得有利的风。

4.The prevailing westerlies 西风带 are crucial for the formation of ocean currents.

西风带对于海洋洋流的形成至关重要。

5.The prevailing westerlies 西风带 drive much of the weather patterns across the United States.

西风带驱动着美国的大部分天气模式。

作文

The Earth's atmosphere is a complex system that plays a crucial role in determining weather patterns and climate. One of the key components of this system is the wind, which is influenced by various factors such as temperature, pressure, and the rotation of the Earth. Among the different wind patterns, the prevailing westerlies are particularly significant. These winds blow from the west to the east and are found in the mid-latitudes of both hemispheres. Understanding the prevailing westerlies is essential for grasping how they affect global weather systems and ocean currents.The prevailing westerlies generally occur between 30 and 60 degrees latitude in both the Northern and Southern Hemispheres. They are a result of the Coriolis effect, which causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. As warm air rises near the equator, it creates a low-pressure area that pulls cooler air from the west, resulting in these consistent wind patterns. The prevailing westerlies are not only important for local weather but also play a significant role in the movement of ocean currents, which can further influence climate.One of the most notable impacts of the prevailing westerlies is on the climate of coastal regions. For instance, in areas like the western United States, these winds bring moist air from the Pacific Ocean, leading to increased precipitation in the form of rain or snow. This phenomenon is particularly evident in places like California, where the Sierra Nevada mountains create a rain shadow effect. The prevailing westerlies contribute to the lush vegetation on the windward side of the mountains while creating arid conditions on the leeward side.Moreover, the prevailing westerlies also have an impact on global weather systems. They are responsible for the formation of mid-latitude cyclones, which are large-scale weather systems that can bring significant storms and changes in weather patterns. As these cyclones move across the continents, they can cause severe weather events such as heavy rainfall, strong winds, and even tornadoes. Understanding the behavior of the prevailing westerlies can help meteorologists predict these weather events more accurately, ultimately aiding in disaster preparedness and response.In addition to their influence on weather, the prevailing westerlies are also crucial for maritime navigation. Sailors have historically relied on these winds for their journeys across the oceans. The prevailing westerlies provide a reliable source of wind that can propel ships eastward, making them an essential factor in trade routes and exploration. Even today, understanding these wind patterns is vital for modern shipping and aviation industries, as they can significantly affect travel times and fuel efficiency.In conclusion, the prevailing westerlies are a fundamental aspect of our planet's atmospheric dynamics. They influence weather patterns, ocean currents, and even human activities such as navigation and agriculture. By studying the prevailing westerlies, we gain valuable insights into the interconnectedness of our climate systems and the importance of understanding these natural phenomena. As we face challenges related to climate change, recognizing the role of the prevailing westerlies will be essential in developing strategies to mitigate its effects and adapt to new environmental conditions.

地球的大气是一个复杂的系统，在决定天气模式和气候方面起着至关重要的作用。这个系统的一个关键组成部分是风，它受到温度、压力和地球自转等各种因素的影响。在不同的风模式中，盛行西风尤为重要。这些风从西向东吹，存在于两半球的中纬度地区。理解盛行西风对于掌握它们如何影响全球天气系统和海洋洋流至关重要。盛行西风通常发生在北半球和南半球的30到60度纬度之间。它们是科里奥利效应的结果，该效应导致北半球的风向右偏转，而南半球的风向左偏转。当赤道附近的温暖空气上升时，会形成一个低压区域，吸引来自西方的冷空气，从而产生这些稳定的风模式。盛行西风不仅对当地天气重要，还在海洋洋流的运动中发挥着重要作用，这进一步影响气候。盛行西风最显著的影响之一是对沿海地区气候的影响。例如，在美国西部地区，这些风从太平洋带来了湿润的空气，导致降水量增加，以雨或雪的形式出现。这种现象在加利福尼亚州尤为明显，那里内华达山脉造成了雨影效应。在山脉的迎风面，盛行西风促成了茂盛的植被，而在背风面则形成了干旱的条件。此外，盛行西风还对全球天气系统产生影响。它们负责形成中纬度气旋，这是一种大型天气系统，可以带来显著的风暴和天气模式变化。当这些气旋穿越大陆时，可能会导致严重的天气事件，如强降雨、大风甚至龙卷风。理解盛行西风的行为可以帮助气象学家更准确地预测这些天气事件，从而最终有助于灾害准备和响应。除了对天气的影响外，盛行西风对于海洋航行也至关重要。水手们历史上一直依赖这些风进行跨洋航行。盛行西风提供了一种可靠的风源，可以推动船只向东航行，使其成为贸易路线和探索的重要因素。即使在今天，理解这些风模式对现代航运和航空业至关重要，因为它们可以显著影响旅行时间和燃料效率。总之，盛行西风是我们星球大气动态的基本方面。它们影响天气模式、海洋洋流，甚至人类活动，如航行和农业。通过研究盛行西风，我们获得了对气候系统相互关联性的宝贵见解，以及理解这些自然现象的重要性。随着我们面临与气候变化相关的挑战，认识到盛行西风的作用将对制定减缓其影响和适应新环境条件的战略至关重要。