Benguela current

简明释义

沿着非洲南部西岸向西北流的南大西洋洋流

英英释义

例句

1.Fishermen often rely on the nutrient-rich waters brought by the Benguela current for their catch.

渔民们常常依赖于 Benguela current 带来的富含养分的水域来捕捞。

2.Tourists visiting Namibia often explore the coastal regions affected by the Benguela current.

访问纳米比亚的游客常常探索受 Benguela current 影响的沿海地区。

3.Research shows that the Benguela current affects the migration patterns of several fish species.

研究表明，Benguela current 影响了几种鱼类的迁徙模式。

4.The Benguela current is known for its cold waters that influence the climate of southwestern Africa.

Benguela current以其寒冷的水域而闻名，影响着西南非洲的气候。

5.The Benguela current plays a crucial role in the local fishing industry, supporting thousands of jobs.

Benguela current 在当地渔业中发挥着关键作用，支持着数千个工作岗位。

作文

The Benguela current is a significant oceanic current that flows along the southwestern coast of Africa, particularly off the shores of Namibia and Angola. This current is part of the South Atlantic Ocean and plays a crucial role in the region's climate and marine ecosystem. The Benguela current originates from the Antarctic Circumpolar Current and moves northward, bringing cold waters towards the equator. This cold water current has a profound impact on the weather patterns in the surrounding areas, creating a unique climatic zone that supports diverse marine life.One of the most remarkable features of the Benguela current is its upwelling system. As the current moves northward, it interacts with the continental shelf, causing nutrient-rich waters from the depths of the ocean to rise to the surface. This phenomenon is essential for the productivity of the marine environment, as it provides vital nutrients that support phytoplankton growth. Phytoplankton, in turn, forms the base of the marine food web, supporting various species of fish, seabirds, and marine mammals.The rich fishing grounds along the Benguela current are among the most productive in the world. Countries like Namibia and Angola rely heavily on the fisheries that thrive in these waters. The abundant supply of fish, particularly sardines and anchovies, not only sustains local communities but also contributes significantly to the economies of these nations. However, the sustainability of these fisheries is a growing concern due to overfishing and climate change, which can affect the delicate balance of the marine ecosystem supported by the Benguela current.In addition to its ecological importance, the Benguela current also influences weather patterns in the region. The cold waters of the current help to stabilize temperatures along the coast, leading to a semi-arid climate in Namibia and parts of Angola. This climate is characterized by minimal rainfall and dry conditions, which can be both beneficial and challenging for agriculture and water resources.Moreover, the Benguela current is not just a passive feature of the ocean; it is influenced by human activities and natural phenomena. Climate change poses a significant threat to the current, as rising sea temperatures can alter its flow and impact the upwelling process. Changes in the current could lead to shifts in fish populations and disrupt the livelihoods of those who depend on fishing. Additionally, pollution and coastal development can further strain the marine ecosystem that the Benguela current supports.In conclusion, the Benguela current is a vital component of the marine environment along the southwestern coast of Africa. Its influence extends beyond the ocean, affecting local climates, economies, and ecosystems. Understanding and protecting this current is essential for maintaining the health of the marine life it supports and ensuring the sustainability of the fisheries that are so important to the region. As we face the challenges of climate change and environmental degradation, recognizing the significance of the Benguela current will be critical in our efforts to preserve the natural resources and livelihoods of the communities that depend on it.

巴基拉洋流是一个重要的海洋洋流，流经非洲西南海岸，特别是纳米比亚和安哥拉的海岸。这个洋流是南大西洋的一部分，对该地区的气候和海洋生态系统起着至关重要的作用。巴基拉洋流起源于南极环流，向北流动，将冷水带向赤道。这一冷水洋流对周边地区的天气模式产生了深远的影响，形成了一个独特的气候区，支持多样的海洋生物。巴基拉洋流最显著的特点之一是其上涌系统。当洋流向北移动时，它与大陆架相互作用，导致富含养分的深海水上升到海面。这一现象对海洋环境的生产力至关重要，因为它提供了支持浮游植物生长的重要养分。浮游植物反过来又形成了海洋食物链的基础，支持各种鱼类、海鸟和海洋哺乳动物。巴基拉洋流沿岸的丰富渔场是世界上最富饶的渔场之一。像纳米比亚和安哥拉这样的国家在很大程度上依赖于这些水域繁荣的渔业。丰富的鱼类供应，特别是沙丁鱼和凤尾鱼，不仅维持了当地社区的生计，还对这些国家的经济作出了重要贡献。然而，由于过度捕捞和气候变化，这些渔业的可持续性正日益受到关注，这可能会影响由巴基拉洋流支持的海洋生态系统的微妙平衡。除了生态重要性外，巴基拉洋流还影响该地区的天气模式。洋流的冷水有助于稳定沿海的温度，导致纳米比亚和安哥拉部分地区出现半干旱气候。这种气候的特点是降雨量少和干燥的条件，这对农业和水资源既有益又具有挑战性。此外，巴基拉洋流不仅是海洋的被动特征；它受到人类活动和自然现象的影响。气候变化对洋流构成了重大威胁，因为海洋温度的上升可能改变其流动并影响上涌过程。洋流的变化可能导致鱼类种群的转变，并扰乱依赖捕鱼生计的人的生活。此外，污染和沿海开发也可能进一步加重巴基拉洋流所支持的海洋生态系统的压力。总之，巴基拉洋流是非洲西南海岸海洋环境的重要组成部分。它的影响超越了海洋，影响着当地气候、经济和生态系统。理解和保护这一洋流对于维持其所支持的海洋生物的健康以及确保对该地区如此重要的渔业的可持续性至关重要。在面对气候变化和环境退化的挑战时，认识到巴基拉洋流的重要性将对我们保护依赖于此的自然资源和生计的努力至关重要。