barometric pressure

简明释义

气压

英英释义

例句

1.High barometric pressure typically indicates clear skies and calm weather.

高气压通常意味着晴朗的天空和宁静的天气。

2.Pilots must monitor the barometric pressure to ensure safe flight altitude.

飞行员必须监测气压以确保安全的飞行高度。

3.Meteorologists use barometric pressure readings to predict weather patterns.

气象学家利用气压读数来预测天气模式。

4.A sudden change in barometric pressure can lead to headaches for some people.

突然的气压变化可能会导致一些人头痛。

5.The weather forecast indicated that the barometric pressure will drop, suggesting a storm is approaching.

天气预报显示，气压将下降，这意味着暴风雨即将来临。

作文

Understanding the concept of barometric pressure is essential for anyone interested in meteorology, aviation, or even daily weather predictions. Barometric pressure refers to the weight of the atmosphere above a given point, which can influence various weather patterns and phenomena. It is measured using a barometer, an instrument that can provide valuable information about the current state of the atmosphere. When we talk about barometric pressure, we are discussing the force exerted by the air in the atmosphere on a surface area. This pressure can change due to several factors, including altitude, temperature, and humidity.At sea level, the average barometric pressure is approximately 1013.25 hPa (hectopascals), which is equivalent to 29.92 inches of mercury. As one ascends in altitude, the barometric pressure decreases because there is less air above to exert pressure. This phenomenon is particularly important for pilots and mountaineers, as they must be aware of how barometric pressure changes with elevation to ensure safety and proper adjustments in their operations.Changes in barometric pressure are often associated with weather changes. For instance, a rapid drop in barometric pressure usually indicates that a storm is approaching. Meteorologists closely monitor these changes to forecast weather conditions accurately. A falling barometric pressure suggests that warm air is rising, which can lead to cloud formation and precipitation. Conversely, when barometric pressure rises, it typically indicates clear skies and stable weather conditions.The relationship between barometric pressure and weather is not merely theoretical. For example, high barometric pressure systems are often linked to fair weather, while low barometric pressure systems can bring rain and storms. Understanding this relationship can help individuals prepare for upcoming weather events, whether it's packing an umbrella for a rainy day or planning outdoor activities during high-pressure periods.In addition to its implications for weather forecasting, barometric pressure also plays a role in various scientific fields. For instance, in environmental science, researchers study how changes in barometric pressure affect ecosystems and biodiversity. In health sciences, fluctuations in barometric pressure can influence certain medical conditions, such as migraines and joint pain, making it a topic of interest for healthcare professionals.In conclusion, grasping the significance of barometric pressure is crucial for understanding our environment and preparing for weather changes. It is a fundamental concept in meteorology that has practical applications in everyday life. By paying attention to barometric pressure readings and understanding their implications, we can make informed decisions about our activities and well-being. Whether you are a weather enthusiast, a pilot, or simply someone who wants to know if it's going to rain tomorrow, understanding barometric pressure will enhance your awareness of the world around you.

理解气压的概念对于任何对气象学、航空或甚至日常天气预测感兴趣的人来说都是必不可少的。气压指的是在给定点上方大气的重量，这可以影响各种天气模式和现象。它是通过气压计测量的，这是一种能够提供有关大气当前状态的有价值信息的仪器。当我们谈论气压时，我们讨论的是大气中空气对表面区域施加的力。这种压力可能会由于多种因素而变化，包括海拔、温度和湿度。在海平面上，平均气压约为1013.25 hPa（百帕），相当于29.92英寸的水银柱。随着海拔的升高，气压会下降，因为上方的空气较少，施加的压力也随之减少。这一现象对于飞行员和登山者尤为重要，因为他们必须意识到气压如何随海拔变化，以确保安全并在操作中进行适当调整。气压的变化通常与天气变化相关。例如，气压迅速下降通常表明暴风雨即将来临。气象学家密切监测这些变化，以准确预测天气条件。气压的下降表明温暖的空气正在上升，这可能导致云的形成和降水。相反，当气压上升时，通常表明晴朗的天空和稳定的天气条件。高气压系统通常与良好天气相关，而低气压系统则可能带来降雨和风暴。理解这种关系可以帮助个人为即将到来的天气事件做好准备，无论是为下雨天准备雨伞，还是在高压时期计划户外活动。除了对天气预报的影响外，气压还在各个科学领域中发挥作用。例如，在环境科学中，研究人员研究气压的变化如何影响生态系统和生物多样性。在健康科学中，气压的波动可能会影响某些医疗条件，如偏头痛和关节疼痛，使其成为医疗专业人士关注的主题。总之，掌握气压的重要性对于理解我们的环境和为天气变化做好准备至关重要。这是气象学中的一个基本概念，在日常生活中具有实际应用。通过关注气压读数并理解其含义，我们可以对我们的活动和福祉做出明智的决策。无论你是天气爱好者、飞行员，还是仅仅想知道明天是否会下雨的人，理解气压都将增强你对周围世界的认识。