catabatic
简明释义
adj. 下降的;缓解的;减少的
英英释义
Relating to or denoting a wind that is caused by the downward movement of cold air, especially in mountainous regions. | 与因冷空气向下移动而产生的风有关,尤其是在山区。 |
单词用法
同义词
下坡 | The downslope winds can significantly affect local weather patterns. | 下坡风可以显著影响当地的天气模式。 | |
重力驱动的 | 重力驱动的流动在山区很常见。 |
反义词
上升气流的 | The anabatic winds can cause clouds to form at higher altitudes. | 上升气流可以导致云在更高的高度形成。 | |
上升气流 | During the day, the updrafts in the valley help to lift warm air upwards. | 白天,山谷中的上升气流有助于将温暖的空气向上提升。 |
例句
1.It was proven to be of good performances of catabatic corrosion and scale prevention in practice.
实践证明,该配方具有良好的缓蚀、阻垢性能。
2.The runoff has the catabatic effect to acidification of water quality.
地表径流对水质的酸化有缓冲作用。
3.Objective It is to observe the changes of lung function and eosinophil(EOS) in patients with bronchia asthma in acute-outbreak period and catabatic period, so to explore its clinical significance.
目的观察哮喘患者急性发作期、缓解期的肺功能和血嗜酸粒细胞(EOS)的变化,探讨其临床意义。
4.Results: 137 patients had an obvious catabatic symptom after operation. None was recrudesced. The cure rate achieved 100%.
结果:137例患者术后症状明显缓减,术后均无复发,治愈率达100%。
5.Objective It is to observe the changes of lung function and eosinophil(EOS) in patients with bronchia asthma in acute-outbreak period and catabatic period, so to explore its clinical significance.
目的观察哮喘患者急性发作期、缓解期的肺功能和血嗜酸粒细胞(EOS)的变化,探讨其临床意义。
6.Objective we explore the clinic usage according to observing the change of lung-functions and eosinophil (eos) between the acute-outbreak period and catabatic period of asthma sufferers.
目的观察哮喘患者急性发作期、缓解期的肺功能和血嗜酸粒细胞(EOS)的变化,探讨其临床意义。
7.Scientists study catabatic 下坡气流 flows to understand their impact on local weather patterns.
科学家研究下坡气流流动,以了解它们对当地天气模式的影响。
8.During winter, the catabatic 下坡气流 effect is often observed in polar regions.
在冬季,极地地区常常观察到下坡气流效应。
9.The catabatic 下坡气流 winds can enhance the cooling effects in coastal areas at night.
在夜间,下坡气流风可以增强沿海地区的降温效果。
10.The catabatic 下坡气流 winds contributed to the formation of frost on the lower slopes.
由于下坡气流风的影响,低坡上形成了霜冻。
11.The catabatic 下坡气流 winds can create sudden temperature drops in the valley during the night.
在夜间,下坡气流风可以在山谷中造成突如其来的温度下降。
作文
In the study of meteorology, one often encounters various phenomena that shape our understanding of weather patterns and climate. One such phenomenon is known as catabatic winds, which play a crucial role in the atmospheric dynamics of certain regions. These winds are characterized by their descent from higher elevations to lower areas, driven primarily by gravity. As air cools at higher altitudes, it becomes denser and begins to flow downwards, creating a unique set of conditions that can significantly impact local weather. Understanding catabatic winds is essential for meteorologists, as they can influence temperature, precipitation, and even the formation of clouds.To illustrate, let’s consider the Antarctic region, where catabatic winds are particularly prominent. During the long winter months, the ice and snow-covered surface of Antarctica cools rapidly. The cold air above the surface becomes denser and starts to move downhill towards the coast. This process generates strong catabatic winds that can reach speeds of over 100 kilometers per hour. These winds not only contribute to the harsh and frigid conditions of the continent but also affect the surrounding ocean currents and weather systems.Moreover, catabatic winds are not limited to polar regions; they can also occur in mountainous areas worldwide. For instance, in the Alps, during the night, the air cools significantly at higher altitudes, leading to the formation of catabatic flows that descend into the valleys. This can result in a drop in temperature in these lower areas, sometimes causing frost even during the summer months. Understanding the behavior of catabatic winds in such environments is vital for agriculture, as farmers need to be aware of potential frost risks that could harm their crops.In addition to their impact on temperature, catabatic winds can also influence the distribution of snow and ice. In regions where these winds are prevalent, the movement of air can lead to uneven snow accumulation. Areas sheltered from the catabatic flow may experience less snowfall, while those exposed to the winds can become heavily laden with snow. This uneven distribution can have significant implications for local ecosystems, affecting not only plant life but also the animals that depend on these habitats.Furthermore, the study of catabatic winds has practical applications in aviation and outdoor activities. Pilots flying in mountainous regions must be aware of these winds, as they can create sudden and severe turbulence. Likewise, hikers and climbers should consider the potential for catabatic conditions when planning their adventures, as these winds can change weather conditions rapidly and unexpectedly.In conclusion, catabatic winds are an essential aspect of meteorological studies, influencing weather patterns, local climates, and even ecosystems in both polar and mountainous regions. A deeper understanding of these winds helps scientists predict weather changes more accurately and prepares individuals for the challenges posed by these powerful natural forces. As we continue to explore the complexities of our atmosphere, the role of catabatic winds will undoubtedly remain a significant area of research and interest in the field of meteorology.
在气象学研究中,人们经常会遇到各种现象,这些现象塑造了我们对天气模式和气候的理解。其中一个现象被称为下坡风,它在某些地区的大气动态中起着至关重要的作用。这些风的特点是从高海拔向低海拔下降,主要受重力驱动。当高海拔的空气冷却时,它变得更密集,开始向下流动,创造出一组独特的条件,这些条件可以显著影响当地天气。理解下坡风对气象学家来说至关重要,因为它们可以影响温度、降水,甚至云的形成。为了说明这一点,让我们考虑南极地区,在那里下坡风尤为显著。在漫长的冬季,南极的冰雪覆盖表面迅速降温。表面上方的冷空气变得更密集,开始向海岸流动。这个过程产生了强烈的下坡风,风速可超过每小时100公里。这些风不仅使大陆的严酷寒冷条件得以维持,还影响周围的海洋洋流和天气系统。此外,下坡风并不限于极地地区;它们也可以在全球的山区发生。例如,在阿尔卑斯山,夜间高海拔地区的空气显著降温,导致下坡风流动进入山谷。这可能导致这些低洼地区的温度骤降,有时即使在夏季也会造成霜冻。了解此类环境中下坡风的行为对于农业至关重要,因为农民需要意识到可能对其作物造成伤害的霜冻风险。除了对温度的影响,下坡风还可以影响雪和冰的分布。在这些风盛行的地区,空气的运动可能导致雪的不均匀积累。受到下坡风流动保护的区域可能经历较少的降雪,而暴露于风中的区域则可能积雪严重。这种不均匀的分布对当地生态系统有重大影响,不仅影响植物生命,也影响依赖这些栖息地的动物。此外,研究下坡风在航空和户外活动中具有实际应用。飞行在山区的飞行员必须意识到这些风,因为它们可能会造成突然和严重的湍流。同样,徒步旅行者和登山者在计划他们的冒险时应考虑可能出现的下坡风条件,因为这些风可能会迅速且意外地改变天气条件。总之,下坡风是气象研究的重要方面,影响天气模式、地方气候,甚至极地和山区的生态系统。对这些风的深入理解帮助科学家更准确地预测天气变化,并为个人准备应对这些强大自然力量所带来的挑战。随着我们继续探索大气的复杂性,下坡风的作用无疑将继续成为气象学领域的重要研究和关注点。