sea level pressure

简明释义

海平面气压

英英释义

Sea level pressure is the atmospheric pressure at a given location, corrected to sea level, which is used as a standard reference for measuring pressure in meteorology.

海平面气压是指在特定地点的气压,经过校正后以海平面为基准,这在气象学中作为测量气压的标准参考。

例句

1.The sea level pressure in the region has dropped significantly, indicating a storm may be approaching.

该地区的海平面气压显著下降,表明可能有风暴来临。

2.Pilots rely on sea level pressure readings for accurate altitude adjustments.

飞行员依赖于海平面气压读数进行准确的高度调整。

3.A high sea level pressure usually indicates clear skies and calm weather.

海平面气压通常预示着晴朗的天空和宁静的天气。

4.Meteorologists often use sea level pressure to predict weather patterns.

气象学家常常使用海平面气压来预测天气模式。

5.Changes in sea level pressure can affect ocean currents and marine life.

海平面气压的变化会影响海洋洋流和海洋生物。

作文

Understanding the concept of sea level pressure is crucial for anyone interested in meteorology or atmospheric sciences. Sea level pressure refers to the atmospheric pressure at a given location, adjusted to sea level. This adjustment is necessary because atmospheric pressure decreases with altitude. Therefore, measuring pressure at higher elevations would yield lower values than those measured at sea level. The standard value for sea level pressure is typically around 1013.25 hPa (hectopascals) or 29.92 inches of mercury. Meteorologists use sea level pressure as a baseline to compare weather conditions across different regions and altitudes. By converting pressures measured at various elevations to sea level pressure, they can create more accurate weather models and forecasts. For instance, if a weather station is located in the mountains, the pressure reading will be lower than that at sea level due to the altitude. To make sense of this data, meteorologists apply a formula to adjust the readings, allowing them to represent all measurements consistently at sea level. The importance of sea level pressure extends beyond mere calculations; it plays a vital role in understanding weather patterns and phenomena. High-pressure systems are generally associated with clear skies and calm weather, while low-pressure systems often lead to clouds and precipitation. When analyzing weather maps, you will frequently encounter isobars, which are lines that connect points of equal sea level pressure. These isobars help meteorologists identify areas of high and low pressure, which are crucial for predicting storms and other weather events.Additionally, sea level pressure is essential for understanding climate change and its effects on global weather patterns. Changes in sea level pressure can indicate shifts in climate, such as the intensification of hurricanes or changes in monsoon patterns. For example, scientists have observed that as global temperatures rise, the distribution of sea level pressure patterns may shift, leading to more extreme weather events. In summary, sea level pressure is a fundamental concept in meteorology that allows for the standardization of atmospheric pressure readings across different altitudes. By adjusting pressure readings to sea level, meteorologists can better understand and predict weather patterns, contributing to more accurate forecasts. Furthermore, the study of sea level pressure is integral to understanding broader climate trends and their implications for our planet. As we continue to face challenges related to climate change, a firm grasp of concepts like sea level pressure will be essential for developing effective strategies to mitigate its impacts.

理解海平面气压的概念对于任何对气象或大气科学感兴趣的人来说都是至关重要的。海平面气压指的是在给定位置的气压,经过调整后以海平面为基准。这种调整是必要的,因为气压随着高度的增加而降低。因此,在较高的海拔测量的气压值会低于海平面的测量值。海平面气压的标准值通常约为1013.25 hPa(百帕)或29.92英寸汞柱。气象学家使用海平面气压作为比较不同地区和海拔天气条件的基准。通过将不同海拔测得的气压转换为海平面气压,他们可以创建更准确的天气模型和预报。例如,如果一个气象站位于山区,气压读数将低于海平面的读数,这是由于海拔的影响。为了理解这些数据,气象学家应用公式来调整读数,使所有测量值一致地表示为海平面。海平面气压的重要性不仅仅体现在计算上;它在理解天气模式和现象方面也扮演着至关重要的角色。高气压系统通常与晴朗的天空和宁静的天气相关,而低气压系统则往往导致云层和降水。在分析天气图时,你会经常遇到等压线,这些线连接相同海平面气压的点。这些等压线帮助气象学家识别高压和低压区域,这对预测风暴和其他天气事件至关重要。此外,海平面气压对于理解气候变化及其对全球天气模式的影响也至关重要。海平面气压的变化可能表明气候的变化,例如飓风的增强或季风模式的变化。例如,科学家们观察到,随着全球温度的升高,海平面气压模式的分布可能会发生变化,导致更极端的天气事件。总之,海平面气压是气象学中的一个基本概念,它允许在不同海拔的气压读数进行标准化。通过将气压读数调整为海平面,气象学家可以更好地理解和预测天气模式,从而提供更准确的预报。此外,研究海平面气压对于理解更广泛的气候趋势及其对我们星球的影响至关重要。随着我们继续面临与气候变化相关的挑战,牢固掌握像海平面气压这样的概念将对制定有效的应对策略至关重要。

相关单词

pressure

pressure详解:怎么读、什么意思、用法