saturation-adiabatic lapse rate

简明释义

饱和热直减率

英英释义

The saturation-adiabatic lapse rate is the rate at which the temperature of a saturated air parcel decreases with an increase in altitude, typically around 6 to 7 degrees Celsius per kilometer, due to the release of latent heat during condensation.

饱和绝热递减率是指饱和空气团在高度增加时,温度下降的速率,通常约为每千米6到7摄氏度,因凝结过程中释放的潜热而导致。

例句

1.Understanding the saturation-adiabatic lapse rate 饱和绝热递减率 is crucial for predicting thunderstorms.

理解饱和绝热递减率对于预测雷暴至关重要。

2.Pilots need to be aware of the saturation-adiabatic lapse rate 饱和绝热递减率 when flying through clouds.

飞行员在穿越云层时需要注意饱和绝热递减率

3.The meteorologist explained how the saturation-adiabatic lapse rate 饱和绝热递减率 affects cloud formation in the atmosphere.

气象学家解释了如何影响大气中云的形成的饱和绝热递减率

4.During the ascent of air parcels, the saturation-adiabatic lapse rate 饱和绝热递减率 determines the temperature drop.

在空气团上升过程中,饱和绝热递减率决定了温度的下降。

5.The saturation-adiabatic lapse rate 饱和绝热递减率 can vary based on humidity levels in the atmosphere.

在大气中的湿度水平变化会影响饱和绝热递减率

作文

The atmosphere is a complex system that plays a crucial role in regulating Earth's climate and weather patterns. One of the key concepts in understanding atmospheric processes is the saturation-adiabatic lapse rate. This term refers to the rate at which the temperature of a parcel of air decreases as it ascends in the atmosphere when the air is saturated with moisture. The saturation-adiabatic lapse rate is an important factor in meteorology, as it helps explain how clouds form and how precipitation occurs.As air rises, it expands due to lower atmospheric pressure at higher altitudes. When air is saturated, it contains the maximum amount of water vapor possible at a given temperature. As this saturated air rises, it cools at a specific rate known as the saturation-adiabatic lapse rate, which is approximately 6 degrees Celsius per kilometer. This cooling occurs because the rising air must do work against the surrounding atmospheric pressure, leading to a decrease in temperature.The significance of the saturation-adiabatic lapse rate can be observed in various weather phenomena. For instance, when warm, moist air rises, it cools and eventually reaches its dew point, the temperature at which the air becomes saturated. At this point, condensation occurs, forming clouds. If the air continues to rise and cool, the droplets within these clouds can combine and grow larger, eventually falling as precipitation.Understanding the saturation-adiabatic lapse rate also aids in predicting storm development and intensity. For example, when the environmental lapse rate—the rate at which the surrounding air cools—exceeds the saturation-adiabatic lapse rate, it creates instability in the atmosphere. This instability can lead to the development of thunderstorms and other severe weather events. Meteorologists use this information to issue warnings and prepare for potential hazardous conditions.In addition to its implications for weather forecasting, the saturation-adiabatic lapse rate is also essential in understanding climate change. As global temperatures rise, the capacity of air to hold moisture increases, which can alter precipitation patterns and intensify storms. By studying the saturation-adiabatic lapse rate in conjunction with climate models, scientists can better predict how changes in temperature will affect weather systems and ultimately impact ecosystems and human societies.In conclusion, the saturation-adiabatic lapse rate is a fundamental concept in meteorology that provides insight into the behavior of saturated air in the atmosphere. It helps explain cloud formation, precipitation processes, and the dynamics of weather systems. As we continue to study our changing climate, understanding the saturation-adiabatic lapse rate will be crucial for improving our ability to forecast weather and respond to the challenges posed by climate change.

大气是一个复杂的系统,在调节地球气候和天气模式中发挥着至关重要的作用。理解大气过程的关键概念之一是饱和绝热递减率。这个术语指的是当空气饱和水分时,空气团在大气中上升时温度降低的速率。饱和绝热递减率是气象学中的一个重要因素,因为它有助于解释云是如何形成的,以及降水是如何发生的。随着空气上升,由于高海拔处的大气压力较低,空气会膨胀。当空气饱和时,它在给定温度下含有的水蒸气量达到了最大值。随着这种饱和空气的上升,它以特定的速度冷却,这被称为饱和绝热递减率,大约为每千米6摄氏度。由于上升的空气必须克服周围的大气压力而做功,因此导致温度下降。饱和绝热递减率的重要性可以在各种天气现象中观察到。例如,当温暖潮湿的空气上升时,它会冷却并最终达到露点,即空气变得饱和的温度。在这一点上,凝结发生,形成云。如果空气继续上升并冷却,这些云中的水滴可以结合并变大,最终以降水的形式落下。理解饱和绝热递减率还有助于预测风暴的发展和强度。例如,当环境递减率——周围空气冷却的速率——超过饱和绝热递减率时,会在大气中产生不稳定性。这种不稳定性可能导致雷暴和其他严重天气事件的发生。气象学家利用这些信息发布预警,并为潜在的危险条件做好准备。除了对天气预报的影响外,饱和绝热递减率在理解气候变化方面也至关重要。随着全球气温的上升,空气容纳水分的能力增加,这可能会改变降水模式并加剧风暴。通过将饱和绝热递减率与气候模型结合研究,科学家可以更好地预测温度变化将如何影响天气系统,并最终影响生态系统和人类社会。总之,饱和绝热递减率是气象学中的一个基本概念,为我们提供了对大气中饱和空气行为的深入了解。它有助于解释云的形成、降水过程以及天气系统的动态。随着我们继续研究不断变化的气候,理解饱和绝热递减率将对提高我们预测天气和应对气候变化带来的挑战的能力至关重要。