isobaric chart

简明释义

等压面图

英英释义

例句

1.An isobaric chart is essential for understanding atmospheric pressure variations.

了解大气压力变化必须使用等压图。

2.During the flight, the pilot referred to an isobaric chart to ensure safe navigation.

在飞行过程中，飞行员参考了等压图以确保安全导航。

3.By studying the isobaric chart, we can predict the movement of weather fronts.

通过研究等压图，我们可以预测天气锋面的移动。

4.The meteorologist used an isobaric chart to analyze the pressure systems over the region.

气象学家使用等压图来分析该地区的气压系统。

5.The isobaric chart indicated a high-pressure system approaching from the west.

该等压图显示一个高压系统正从西方接近。

作文

Understanding meteorological concepts is essential for both professionals and enthusiasts in the field of weather forecasting. One crucial tool that meteorologists use is the isobaric chart, which plays a significant role in analyzing atmospheric pressure patterns. An isobaric chart (等压图) represents areas of equal atmospheric pressure at a specific altitude, typically measured in millibars or hectopascals. This chart provides valuable insights into weather systems, helping forecasters predict changes in weather conditions.The isobaric chart is created by plotting lines, known as isobars, that connect points of equal pressure. These lines are usually drawn at intervals of 4 millibars, making it easier to visualize pressure differences across a region. When interpreting an isobaric chart, it is important to note that closely spaced isobars indicate a steep pressure gradient, which often correlates with strong winds. Conversely, widely spaced isobars suggest a gentle pressure gradient, typically associated with lighter winds.One of the primary uses of an isobaric chart is to identify high and low-pressure systems. High-pressure areas, or anticyclones, are usually associated with fair weather, while low-pressure areas, or cyclones, are linked to stormy conditions. By analyzing the distribution of these pressure systems on an isobaric chart, meteorologists can forecast the movement of weather fronts, which are boundaries between different air masses.In addition to predicting weather patterns, the isobaric chart is also instrumental in understanding the vertical structure of the atmosphere. Meteorologists often use various levels of isobaric charts to study how temperature, humidity, and wind speed change with altitude. For instance, a common application is the use of a 500 hPa isobaric chart to analyze mid-level atmospheric conditions. This level is particularly important because it helps forecasters understand the development of weather systems and their potential impact on surface weather.Furthermore, the isobaric chart serves as a foundation for more advanced meteorological tools, such as numerical weather prediction models. These models rely on data from isobaric charts to simulate the atmosphere's behavior and make short-term forecasts. By integrating information from various isobaric charts, meteorologists can create a comprehensive picture of the current state of the atmosphere, leading to more accurate predictions.In conclusion, the isobaric chart (等压图) is an indispensable instrument in meteorology. Its ability to visually represent atmospheric pressure at different altitudes allows forecasters to analyze and predict weather patterns effectively. Understanding how to read and interpret isobaric charts is vital for anyone interested in meteorology, whether they are students, professionals, or hobbyists. As we continue to advance our understanding of the atmosphere, the isobaric chart will remain a key component in the ongoing quest to improve weather forecasting accuracy.