geostrophic

简明释义

英[ˌdʒiːəʊˈstrɒfɪk]美[ˌdʒioʊˈstrɑːfɪk]

adj. 自转而引起的；地转风的

英英释义

单词用法

同义词

反义词

例句

1.The stability and the solutions of linear and nonlinear topographically generated Rossby Waves were discussed by using a barotropic semi-geostrophic model.

本文在半地转概念下，讨论了线性和非线性地形罗斯贝波的稳定性及其解。

2.For example, a non-geostrophic vortex in wind field on the 375 MB level can result in a high with the warm center in the troposphere and the cold center in the stratosphere.

例如375毫巴上单纯非地转风的流场的反气旋涡旋，适应后可建立起对流层暖性、平流层是冷性的高压系统。

3.This thesis aims to study the nonlinear stability of quasi-geostrophic flow. This paper is divided into three parts.

本文旨在对地球流体准地转运动的非线性稳定性问题进行研究，全文分为三个部分。

4.The surface temperature is considered to be a function of time, while the geostrophic wind is held constant.

考虑地面的降温率是时间的函数。地转风为常数。

5.Based on an invariant of semi-potential vorticity, the scale criterion of geostrophic adaptation in tropical baroclinic atmosphere is discussed.

文中利用一个半位势涡度时间不变式对热带斜压大气地转适应过程中的尺度准则进行了研究。

6.The article presents that the supergeostrophic wind of subsynoptic scale low-level jet stream is mainly caused by the isallobaric wind superimposing on the geostrophic wind field.

本文指出次天气尺度低空急流的超地转特征主要是由变压风叠加在地转风场上所致。

7.Using a low order, two-layer baroclinic quasi-geostrophic model, a nonlinear system including the interaction between a thermal forced wave, a transient wave and zonal flow is studied.

本文利用两层斜压准地转模式，在低谱简化下，得到一个热力强迫波，瞬变波与纬向气流相互作用的非线性方程组。

8.The selection of level of no motion is a basic problem in calculating the geostrophic flow in the East China Sea Kuroshio area.

零流面的选取是东海黑潮地转流计算中的一个基本问题。

9.The ocean currents can be described as geostrophic 地转流 when they are balanced by the Coriolis effect and pressure gradient.

当海洋洋流受到科里奥利效应和压力梯度的平衡时，可以描述为geostrophic 地转流。

10.Meteorologists often use geostrophic 地转风 wind equations to predict weather patterns.

气象学家常常使用geostrophic 地转风 方程来预测天气模式。

11.In the study of oceanography, understanding geostrophic 地转流 is essential for modeling sea surface heights.

在海洋学研究中，理解geostrophic 地转流 对于建模海面高度至关重要。

12.The concept of geostrophic 地转 balance helps explain the movement of large-scale atmospheric systems.

geostrophic 地转 平衡的概念有助于解释大规模大气系统的运动。

13.During the summer, the geostrophic 地转流 can significantly influence local climate conditions.

在夏季，geostrophic 地转流 可以显著影响当地气候条件。

作文

The concept of geostrophic winds plays a crucial role in understanding atmospheric dynamics and ocean currents. These winds are essentially the result of a balance between the pressure gradient force and the Coriolis effect, which is caused by the Earth's rotation. In simpler terms, when air moves from high to low pressure, it tends to curve due to the Coriolis effect, leading to what we call geostrophic flow. This phenomenon is particularly significant in large-scale weather systems and oceanic circulation patterns. To illustrate this, consider a scenario where there is a high-pressure system situated over the North Atlantic Ocean and a low-pressure system further south. The pressure gradient force will push air from the high-pressure area toward the low-pressure area. However, as the air begins to move, the Earth's rotation causes it to deflect to the right in the Northern Hemisphere, resulting in a curved path rather than a straight line. This curvature leads to a state of equilibrium where the wind speed adjusts until the pressure gradient force is balanced by the Coriolis force, creating geostrophic winds. Understanding geostrophic winds is essential for meteorologists, as these winds can influence weather patterns significantly. For instance, they are often associated with the jet stream, a fast-flowing ribbon of air that affects weather systems across the globe. The position and strength of the jet stream can determine whether an area experiences warm or cold weather, heavy precipitation, or clear skies. By analyzing geostrophic winds, meteorologists can make more accurate predictions about upcoming weather events. In addition to their importance in meteorology, geostrophic currents are also vital in oceanography. The balance of forces that creates geostrophic flow in the ocean leads to the formation of large-scale currents such as the Gulf Stream. These currents transport warm water from the tropics to higher latitudes, playing a significant role in regulating climate. For example, the Gulf Stream helps keep Western Europe warmer than other regions at similar latitudes by redistributing heat across the ocean. Moreover, the study of geostrophic dynamics is crucial for understanding climate change. As global temperatures rise, the behavior of both atmospheric and oceanic geostrophic flows may alter, potentially leading to shifts in weather patterns and ocean currents. Such changes could have profound implications for ecosystems, agriculture, and even human settlements around coastlines. Therefore, ongoing research into geostrophic phenomena is essential for predicting and mitigating the impacts of climate change. In conclusion, the term geostrophic refers to a fundamental concept in meteorology and oceanography that describes the balance of forces acting on moving air and water. A thorough understanding of geostrophic winds and currents is essential for predicting weather patterns and understanding climate dynamics. As we continue to face the challenges posed by climate change, the study of geostrophic phenomena will remain a critical area of research, helping us to navigate the complexities of our changing planet.

‘geostrophic’（地转）风的概念在理解大气动力学和海洋洋流中起着至关重要的作用。这些风基本上是压力梯度力与科里奥利效应之间平衡的结果，后者是由地球的自转引起的。简单来说，当空气从高压区移动到低压区时，由于科里奥利效应，它往往会弯曲，这就是我们所称的‘geostrophic’流动。这种现象在大规模天气系统和海洋环流模式中尤为重要。 为了说明这一点，考虑一个场景，其中北大西洋上方有一个高压系统，而南方有一个低压系统。压力梯度力将空气从高压区推向低压区。然而，当空气开始移动时，地球的自转导致它在北半球向右偏转，造成一条弯曲的路径，而不是一条直线。这种弯曲导致一种平衡状态，风速调整直到压力梯度力与科里奥利力相平衡，形成‘geostrophic’风。 理解‘geostrophic’风对气象学家至关重要，因为这些风可以显著影响天气模式。例如，它们通常与喷流相关，喷流是一种快速流动的空气带，影响全球的天气系统。喷流的位置和强度可以决定一个地区是经历温暖还是寒冷的天气、大量降水还是晴朗的天空。通过分析‘geostrophic’风，气象学家可以更准确地预测即将发生的天气事件。 除了在气象学中的重要性外，‘geostrophic’洋流在海洋学中也至关重要。造成海洋中‘geostrophic’流动的力的平衡导致了大规模洋流的形成，例如墨西哥湾流。这些洋流将温暖的水从热带地区运输到更高纬度，对气候调节起着重要作用。例如，墨西哥湾流帮助使西欧比其他相似纬度地区温暖，通过重新分配海洋的热量。 此外，研究‘geostrophic’动力学对于理解气候变化至关重要。随着全球温度的上升，大气和海洋的‘geostrophic’流动行为可能会发生变化，可能导致天气模式和洋流的变化。这种变化可能对生态系统、农业甚至沿海人类定居点产生深远的影响。因此，持续对‘geostrophic’现象的研究对预测和减轻气候变化的影响至关重要。 总之，‘geostrophic’这个术语指的是气象学和海洋学中的一个基本概念，描述了作用于移动空气和水上的力的平衡。深入理解‘geostrophic’风和洋流对于预测天气模式和理解气候动态至关重要。随着我们继续面临气候变化带来的挑战，对‘geostrophic’现象的研究将仍然是一个关键的研究领域，帮助我们应对我们不断变化的星球的复杂性。