Antarctic circumpolar current

简明释义

1. 南极环极流; 2. 南极绕极流; 3. 南极环流;

英英释义

例句

1.Oceanographers use satellite data to track the movement of the Antarctic circumpolar current (南极环流).

海洋学家利用卫星数据跟踪南极环流的运动。

2.The flow of the Antarctic circumpolar current (南极环流) plays a crucial role in regulating global climate.

南极环流在调节全球气候方面发挥着至关重要的作用。

3.Changes in the strength of the Antarctic circumpolar current (南极环流) can impact weather patterns across the globe.

南极环流强度的变化可能会影响全球的天气模式。

4.The Antarctic circumpolar current (南极环流) is the largest ocean current in the world.

南极环流是世界上最大的洋流。

5.Researchers are studying how the Antarctic circumpolar current (南极环流) affects marine biodiversity.

研究人员正在研究南极环流如何影响海洋生物多样性。

作文

The Earth's oceans are interconnected systems that play a crucial role in regulating the planet's climate and supporting marine life. Among these vast bodies of water, one of the most significant currents is the Antarctic circumpolar current (南极环流). This powerful oceanic current encircles Antarctica and influences global weather patterns, making it essential for understanding our planet's climate dynamics.The Antarctic circumpolar current is unique because it flows continuously around the continent of Antarctica, creating a barrier that separates the cold waters of the Southern Ocean from the warmer waters of the Atlantic, Indian, and Pacific Oceans. This current is driven by strong westerly winds and is the only current that flows completely around the globe. Its significance cannot be overstated; it plays a vital role in heat distribution, carbon cycling, and nutrient transport in the world's oceans.One of the primary functions of the Antarctic circumpolar current is its impact on climate regulation. By transporting cold water from the Antarctic region to other parts of the world, it helps to moderate temperatures in the Southern Hemisphere. The current also contributes to the formation of sea ice, which is crucial for maintaining the Earth’s albedo effect—reflecting sunlight back into space and helping to keep the planet cool.Moreover, the Antarctic circumpolar current is essential for marine ecosystems. It facilitates the mixing of nutrient-rich waters, which supports the growth of phytoplankton—the foundation of the marine food web. This nutrient upwelling is particularly important in areas like the Scotia Sea, where diverse marine species thrive, including krill, fish, and various seabirds. The health of these ecosystems is closely linked to the strength and stability of the current.However, the Antarctic circumpolar current is not immune to the impacts of climate change. As global temperatures rise, the melting of Antarctic ice sheets contributes to changes in salinity and temperature gradients in the Southern Ocean. These alterations can affect the current's flow and, subsequently, the climate patterns it helps to regulate. Scientists are increasingly concerned about how these changes may disrupt marine ecosystems and the livelihoods of communities that depend on them.In conclusion, the Antarctic circumpolar current (南极环流) is a vital component of the Earth's oceanic and climatic systems. Its role in climate regulation, nutrient distribution, and support for marine biodiversity underscores its importance in the face of environmental changes. Understanding this current and its dynamics is crucial for predicting future climate scenarios and protecting our planet's marine environments. As we continue to study and monitor the Antarctic circumpolar current, we must recognize its significance and take action to mitigate the impacts of climate change on this essential oceanic feature.

地球的海洋是相互连接的系统，在调节地球气候和支持海洋生命方面发挥着至关重要的作用。在这些广阔的水域中，最重要的洋流之一就是南极环流（Antarctic circumpolar current）。这一强大的海洋洋流环绕南极洲流动，对全球天气模式产生影响，因此对于理解我们星球的气候动态至关重要。南极环流的独特之处在于它持续不断地环绕南极洲流动，形成了一道屏障，将南极海洋的冷水与大西洋、印度洋和太平洋的暖水隔开。这股洋流由强烈的西风驱动，是唯一一条完全环绕地球的洋流。它的重要性不容小觑；它在热量分配、碳循环和养分运输中发挥着重要作用。南极环流的主要功能之一是对气候调节的影响。通过将来自南极地区的冷水输送到世界其他地方，它有助于调节南半球的温度。这股洋流还促进了海冰的形成，这对维持地球的反照率效应至关重要——将阳光反射回太空，并帮助保持地球的凉爽。此外，南极环流对海洋生态系统也至关重要。它促进富含养分的水混合，支持浮游植物的生长——海洋食物链的基础。这种养分上涌在斯科舍海等地区尤为重要，那里多样的海洋物种繁荣生长，包括磷虾、鱼类和各种海鸟。这些生态系统的健康与洋流的强度和稳定性密切相关。然而，南极环流并未免受气候变化影响。随着全球气温上升，南极冰盖的融化导致南极海洋的盐度和温度梯度发生变化。这些变化可能会影响洋流的流动，并随后影响其帮助调节的气候模式。科学家们越来越担心这些变化可能会破坏海洋生态系统以及依赖于它们的社区的生计。总之，南极环流（Antarctic circumpolar current）是地球海洋和气候系统的重要组成部分。它在气候调节、养分分配和支持海洋生物多样性方面的作用突显了其在环境变化面前的重要性。理解这一洋流及其动态对预测未来气候情景和保护我们星球的海洋环境至关重要。随着我们继续研究和监测南极环流，我们必须认识到其重要性，并采取行动减轻气候变化对这一重要海洋特征的影响。