isobars

简明释义

英[ˈaɪ.sə.bɑːz]美[ˈaɪ.soʊ.bɑrz]

n. 同重素；[气象][力]等压线；组通量异位素（isobar 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map.

气压梯度与天气图上等压线的间隔大小成反比。

2.The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map.

气压梯度与天气图上等压线的间隔大小成反比。

3.As an example, the isobars are plotted for strong detonation waves passing over a wedge surface.

作为例子，文中计算了强爆震波绕薄楔时的等压线。

4.A region of low pressure with roughly concentric isobars is known technically as a cyclone.

具有大致同心的等压线的低压区在技术上称为气旋。

5.The wind directed inward around the center makes angles of 20o to 40o with the isobars.

围绕中心向内吹的风与等压线构成20o——40o的夹角。

6.Measurement of these nuclei are often limited by interferences of isotopes and isobars.

在测量这些核素时，通常存在同位素和同量异位素的干扰。

7.Pressure differences are indicated on weather maps by isobars.

在气象图上气压差用等压线表示。

8.Meteorologists use isobars to analyze weather patterns.

气象学家使用等压线来分析天气模式。

9.The isobars on the map indicate areas of high and low pressure.

地图上的等压线表示高压和低压区域。

10.When isobars are close together, it indicates strong winds.

当等压线靠得很近时，表示有强风。

11.Understanding isobars is crucial for predicting storms.

理解等压线对于预测暴风雨至关重要。

12.The weather forecast showed a map with isobars indicating a cold front.

天气预报显示的地图上有等压线，指示冷锋的到来。

作文

Understanding the concept of isobars is essential for anyone interested in meteorology and atmospheric sciences. Isobars, which are lines drawn on weather maps, connect points of equal atmospheric pressure. They play a crucial role in illustrating how pressure varies across different regions, helping meteorologists predict weather patterns and phenomena. When we look at a weather map, the isobars provide vital information about the wind speed and direction, as well as the potential for storm development. To grasp the significance of isobars, it is important to understand what atmospheric pressure is. Atmospheric pressure is the force exerted by the weight of air above a particular point. It is measured in units such as millibars or inches of mercury. When isobars are closely spaced on a weather map, it indicates a steep pressure gradient, which usually results in stronger winds. Conversely, when the isobars are far apart, the pressure gradient is gentle, leading to lighter winds. One can observe that isobars can indicate high-pressure systems and low-pressure systems. High-pressure systems, represented by closed circles of isobars, typically bring clear skies and calm weather. In contrast, low-pressure systems, often depicted with open circles of isobars, are associated with clouds, precipitation, and stormy conditions. Understanding these patterns is critical for forecasting weather and preparing for various weather events. In addition to their role in weather forecasting, isobars also help in understanding larger climatic phenomena. For example, the distribution of isobars can reveal the presence of jet streams, which are fast-flowing air currents in the upper atmosphere that influence weather patterns across vast distances. By analyzing the arrangement of isobars, meteorologists can make informed predictions about the movement of storms and changes in weather conditions. Moreover, the study of isobars extends beyond meteorology into other fields such as oceanography and aviation. For oceanographers, isobars can assist in understanding how wind patterns affect ocean currents, which in turn influence marine ecosystems. In aviation, pilots must be aware of isobars to navigate safely through varying weather conditions, especially when flying over large bodies of water or mountainous regions. In conclusion, isobars are more than just lines on a weather map; they are essential tools for understanding the complexities of our atmosphere. By connecting points of equal atmospheric pressure, isobars provide critical insights into weather patterns, wind behavior, and even broader climatic trends. Whether you are a budding meteorologist, an avid weather enthusiast, or simply someone who wants to understand the forces that shape our environment, mastering the concept of isobars is a key step in your journey. The next time you check the weather forecast, take a moment to appreciate the isobars and the wealth of information they convey about our ever-changing atmosphere.

理解等压线的概念对于任何对气象和大气科学感兴趣的人来说都是至关重要的。等压线是绘制在天气地图上的线，连接着等大气压力的点。它们在说明不同地区压力变化方面起着关键作用，帮助气象学家预测天气模式和现象。当我们查看天气地图时，等压线提供了有关风速和风向以及风暴发展的潜在信息。 要掌握等压线的重要性，首先需要了解什么是大气压力。大气压力是由特定点上方空气的重量施加的力。它以毫巴或水银柱英寸等单位进行测量。当天气地图上的等压线紧密相邻时，表示压力梯度陡峭，通常会导致更强的风。相反，当等压线相距较远时，压力梯度较缓，导致风力较轻。 可以观察到，等压线可以指示高压系统和低压系统。高压系统由闭合的等压线圈表示，通常带来晴朗的天空和宁静的天气。相反，低压系统通常用开放的等压线圈表示，与云、降水和恶劣天气条件相关。理解这些模式对于天气预报和准备各种天气事件至关重要。 除了在天气预报中的作用外，等压线还帮助理解更大的气候现象。例如，等压线的分布可以揭示喷流的存在，喷流是在高空中快速流动的气流，影响着大范围的天气模式。通过分析等压线的排列，气象学家可以对风暴的移动和天气条件的变化做出明智的预测。 此外，等压线的研究不仅限于气象学，还扩展到海洋学和航空等其他领域。对于海洋学家来说，等压线可以帮助理解风模式如何影响海洋洋流，而洋流又影响海洋生态系统。在航空中，飞行员必须了解等压线以安全地穿越不同的天气条件，尤其是在飞越大面积水域或山区时。 总之，等压线不只是天气地图上的线；它们是理解我们大气复杂性的基本工具。通过连接等大气压力的点，等压线为天气模式、风行为甚至更广泛的气候趋势提供了至关重要的见解。无论你是一个初出茅庐的气象学家，一个热衷于天气的爱好者，还是仅仅想理解塑造我们环境的力量的人，掌握等压线的概念都是你旅程中的关键一步。下次你查看天气预报时，花点时间欣赏一下等压线及其传达的关于我们不断变化的大气的丰富信息。