auroral absorption

简明释义

1. 极光带吸收; 2. 极光吸收;

英英释义

例句

1.Scientists measured the levels of auroral absorption during the recent geomagnetic storm.

科学家在最近的地磁风暴期间测量了极光吸收的水平。

2.During high activity periods, auroral absorption increases, affecting navigation signals.

在高活动时期，极光吸收增加，影响导航信号。

3.The study of auroral absorption reveals how solar winds interact with the Earth's atmosphere.

对极光吸收的研究揭示了太阳风如何与地球大气相互作用。

4.Understanding auroral absorption helps improve satellite communication systems.

理解极光吸收有助于改善卫星通信系统。

5.The phenomenon of auroral absorption can significantly affect radio communications.

极光吸收现象会显著影响无线电通信。

作文

The phenomenon of auroras has fascinated humanity for centuries. These stunning displays of light, often seen in polar regions, are a result of the interaction between solar wind and the Earth’s magnetic field. Among the various scientific concepts associated with auroras, auroral absorption plays a crucial role in understanding how these spectacular lights form and behave. auroral absorption (极光吸收) refers to the process by which certain wavelengths of electromagnetic radiation are absorbed by the Earth's atmosphere during an auroral event. This absorption can significantly affect radio wave propagation, making it an important topic for both scientists and communication engineers.When solar particles collide with the gases in the Earth's atmosphere, they excite these gases, leading to the emission of light that creates the beautiful colors of the aurora. However, not all incoming solar energy is transformed into visible light. Some of it is absorbed, particularly at specific wavelengths, resulting in what we refer to as auroral absorption. This absorption primarily occurs in the D-region of the ionosphere, which is situated approximately 30 to 90 miles above the Earth's surface.Understanding auroral absorption is essential for several reasons. First, it helps scientists predict the behavior of radio waves during solar storms. When auroral absorption occurs, it can lead to disruptions in radio communications, especially for high-frequency signals that rely on reflection from the ionosphere. As such, researchers monitor solar activity to provide warnings about potential disruptions caused by increased auroral absorption during solar events.Secondly, studying auroral absorption contributes to our broader understanding of space weather. The interactions between solar wind and the Earth’s magnetosphere can have significant impacts on satellite operations, GPS technology, and even power grids on the ground. By understanding how auroral absorption affects the ionosphere, scientists can better predict these impacts and develop strategies to mitigate their effects.Moreover, auroral absorption serves as a valuable tool for atmospheric research. The absorption characteristics can provide insights into the composition and dynamics of the upper atmosphere. For instance, variations in auroral absorption can indicate changes in atmospheric density or temperature, offering clues about ongoing atmospheric processes.In conclusion, auroral absorption is a fascinating aspect of auroral science that highlights the complex interactions between solar activity and the Earth’s atmosphere. Understanding this phenomenon not only enhances our appreciation of the beauty of auroras but also has practical implications for communication and navigation technologies. As we continue to explore the mysteries of our planet and its atmosphere, the study of auroral absorption will undoubtedly remain a vital area of research, bridging the gap between astrophysics and everyday technology.

极光现象数百年来一直吸引着人类的注意。这些令人惊叹的光辉，通常出现在极地地区，是太阳风与地球磁场相互作用的结果。在与极光相关的各种科学概念中，auroral absorption（极光吸收）在理解这些壮丽光线的形成和行为方面起着至关重要的作用。auroral absorption指的是在极光事件期间，特定波长的电磁辐射被地球大气吸收的过程。这种吸收可以显著影响无线电波的传播，使其成为科学家和通信工程师都非常关注的话题。当太阳粒子与地球大气中的气体碰撞时，它们激发这些气体，导致光的发射，从而形成美丽的极光色彩。然而，并非所有进入的太阳能量都会转化为可见光。其中一部分被吸收，特别是在特定波长下，形成我们所称的auroral absorption。这种吸收主要发生在离地面约30到90英里的电离层D区。理解auroral absorption对于多个原因至关重要。首先，它帮助科学家预测太阳风暴期间无线电波的行为。当发生auroral absorption时，会导致无线电通信的中断，特别是对于依赖于电离层反射的高频信号。因此，研究人员监测太阳活动，以提供关于潜在干扰的预警，这些干扰可能是由于太阳事件期间增加的auroral absorption造成的。其次，研究auroral absorption有助于我们更广泛地理解空间天气。太阳风与地球磁层之间的相互作用对卫星操作、GPS技术甚至地面电网都有重大影响。通过理解auroral absorption如何影响电离层，科学家可以更好地预测这些影响，并制定减轻其影响的策略。此外，auroral absorption作为大气研究的一个宝贵工具。吸收特性可以提供有关上层大气成分和动态的见解。例如，auroral absorption的变化可以指示大气密度或温度的变化，提供有关正在进行的大气过程的线索。总之，auroral absorption是极光科学中一个迷人的方面，突显了太阳活动与地球大气之间复杂的相互作用。理解这一现象不仅增强了我们对极光美丽的欣赏，还有助于通信和导航技术的实际应用。随着我们继续探索地球及其大气的奥秘，auroral absorption的研究无疑将继续成为一个重要的研究领域，架起天体物理学与日常技术之间的桥梁。