katabatic wind

简明释义

下降风

英英释义

例句

1.Meteorologists study katabatic wind patterns to better predict weather changes in mountainous regions.

气象学家研究下坡风模式，以更好地预测山区的天气变化。

2.Skiers enjoy the fresh powder but must watch out for the strong katabatic wind that can blow them off course.

滑雪者享受新鲜的粉雪，但必须提防强劲的下坡风，它可能会将他们吹离轨道。

3.The local farmers are aware that katabatic wind can affect their crops during the colder months.

当地农民知道下坡风在寒冷的月份会影响他们的作物。

4.The climbers had to be cautious of the sudden onset of katabatic wind, which can create dangerous conditions on the mountain.

登山者必须小心突然出现的下坡风，这可能会在山上造成危险的情况。

5.During the night, the katabatic wind swept down from the glacier, chilling the campsite.

夜间，下坡风从冰川上吹来，使露营地变得寒冷。

作文

The phenomenon of the katabatic wind is a fascinating subject that exemplifies the intricate relationship between geography and meteorology. Essentially, a katabatic wind refers to a type of wind that carries high-density air down a slope under the force of gravity. This process typically occurs in polar regions or mountainous areas, where cold air accumulates at higher elevations and then flows downward, often resulting in significant temperature differences. Understanding katabatic winds is crucial for various fields, including climatology, environmental science, and even aviation. When we think of winds, we often picture gentle breezes or powerful storms. However, katabatic winds are unique because they can be quite strong and can lead to rapid changes in weather conditions. For instance, in Antarctica, these winds can reach speeds of over 100 kilometers per hour (62 miles per hour), creating harsh conditions that challenge both human and wildlife survival. The origin of the term 'katabatic' comes from the Greek word 'katabatikos', which means 'going downhill'. This etymology perfectly captures the essence of this wind's behavior.One of the most notable examples of katabatic winds can be found in the Greenland ice sheet. Here, cold air is trapped at the surface due to the ice's insulating properties. As the sun sets, the air cools rapidly and begins to flow downwards, creating strong winds that can affect local weather patterns. These winds not only influence temperatures but also play a role in the movement of ice and the dynamics of glaciers. In addition to their impact on the environment, katabatic winds also have implications for human activities. For instance, pilots flying in or out of regions affected by these winds must exercise caution, as sudden gusts can lead to dangerous flying conditions. Furthermore, researchers studying climate change must consider how katabatic winds might alter in response to global warming, potentially affecting ice melt rates and sea-level rise.Moreover, the study of katabatic winds has led to advancements in our understanding of local weather systems. Meteorologists use data on these winds to improve forecasting models, which can help communities prepare for extreme weather events. By analyzing patterns associated with katabatic winds, scientists can gain insights into broader climatic trends and their potential impacts on ecosystems and human societies.In conclusion, the katabatic wind is more than just a meteorological curiosity; it is a vital component of Earth's climate system that influences everything from local weather patterns to global climate change. As we continue to study these winds, we deepen our understanding of the complex interactions between the atmosphere and the Earth's surface. This knowledge is essential for predicting future climatic shifts and developing strategies to mitigate their effects on our planet. The importance of katabatic winds cannot be overstated, as they serve as a reminder of the dynamic and ever-changing nature of our environment.

‘katabatic wind’是一种现象，指的是一种在重力作用下将高密度空气沿坡面向下移动的风。这一过程通常发生在极地地区或山区，在这些地方，冷空气在较高的海拔处积聚，然后流向下方，常常导致显著的温度差异。理解‘katabatic wind’对气候学、环境科学甚至航空等多个领域至关重要。当我们想到风时，常常会想象柔和的微风或强烈的风暴。然而，‘katabatic wind’是独特的，因为它们可以相当强劲，并导致天气条件的迅速变化。例如，在南极，这些风速可以超过每小时100公里（62英里），创造出严酷的条件，挑战人类和野生动物的生存。‘katabatic’这个词源于希腊语‘katabatikos’，意为‘向下走’。这个词源完美地捕捉了这种风的行为本质。‘katabatic wind’的一个显著例子可以在格林兰冰盖中找到。在这里，冷空气由于冰的绝缘特性被困在表面。随着太阳落山，空气迅速冷却并开始向下流动，形成强风，影响当地的天气模式。这些风不仅影响温度，还在冰的运动和冰川的动态中发挥作用。此外，‘katabatic wind’对人类活动也有影响。例如，飞往受这些风影响区域的飞行员必须保持谨慎，因为突如其来的阵风可能导致飞行条件危险。此外，研究气候变化的研究人员必须考虑‘katabatic wind’如何在全球变暖的影响下发生变化，从而可能影响冰融化的速度和海平面上升。‘katabatic wind’的研究还推动了我们对地方天气系统的理解。气象学家利用有关这些风的数据来改善预测模型，这可以帮助社区为极端天气事件做好准备。通过分析与‘katabatic wind’相关的模式，科学家可以深入洞察更广泛的气候趋势及其对生态系统和人类社会的潜在影响。总之，‘katabatic wind’不仅仅是一种气象好奇心；它是地球气候系统的一个重要组成部分，影响着从地方天气模式到全球气候变化的方方面面。随着我们继续研究这些风，我们加深了对大气与地球表面之间复杂相互作用的理解。这种知识对于预测未来的气候变化和制定减缓其对我们星球影响的策略至关重要。‘katabatic wind’的重要性不容小觑，因为它提醒我们环境的动态和不断变化的本质。