longshore current

简明释义

顺岸流

英英释义

A longshore current is a water current that moves parallel to the shore, generated by waves breaking at an angle to the coastline.

沿岸流是一种与海岸平行移动的水流,由以一定角度冲击海岸线的波浪产生。

例句

1.Surfers need to be aware of the longshore current 沿岸流 when choosing their spot to catch waves.

冲浪者在选择冲浪地点时需要注意longshore current 沿岸流

2.Kayakers should always check for longshore currents 沿岸流 before heading out on the water.

皮划艇爱好者在出水前应始终检查是否有longshore currents 沿岸流

3.The beach lifeguard warned swimmers about the strong longshore current 沿岸流 that could pull them away from the shore.

海滩救生员警告游泳者要注意强烈的longshore current 沿岸流,这可能会把他们拉离海岸。

4.Fishing from the pier can be challenging due to the longshore current 沿岸流 affecting bait movement.

由于longshore current 沿岸流影响饵料移动,从码头钓鱼可能会很有挑战性。

5.The longshore current 沿岸流 can significantly impact the erosion of the beach over time.

随着时间的推移,longshore current 沿岸流可能会显著影响海滩的侵蚀。

作文

The ocean is a vast and powerful entity that shapes our coastlines and influences weather patterns. One of the fascinating phenomena associated with ocean dynamics is the longshore current, which plays a crucial role in coastal processes. The longshore current is a water current that flows parallel to the shoreline, generated by waves breaking at an angle to the beach. This current is not only important for the movement of sand and sediment but also has significant implications for navigation, fishing, and beach safety.Understanding the mechanics of the longshore current begins with recognizing how waves interact with the shore. When waves approach the coastline at an angle, they create a zigzag motion as they break and recede. This movement pushes water along the shore, resulting in the formation of the longshore current. The strength and direction of this current can vary based on factors such as wave height, wind direction, and the shape of the coastline.The longshore current is essential for transporting sand along the beach, a process known as longshore drift. As sand is eroded from one part of the beach, it is carried away by the current and deposited further down the shoreline. This natural process helps to maintain the shape of the beach and can even create new landforms over time. However, human activities, such as the construction of jetties and groins, can disrupt this balance, leading to erosion in some areas and accumulation in others.In addition to its role in sediment transport, the longshore current can also impact recreational activities. For swimmers and surfers, understanding the presence and strength of this current is vital for safety. Strong longshore currents can pose risks, especially for inexperienced swimmers. Lifeguards often monitor these currents and provide warnings to beachgoers to ensure their safety.Moreover, the longshore current has implications for marine life. Many species of fish and other marine organisms rely on these currents for migration and feeding. The movement of water can bring nutrients from deeper waters closer to the shore, supporting a rich ecosystem. Fishermen often take advantage of the longshore current to locate schools of fish, making it an important factor for both commercial and recreational fishing.In conclusion, the longshore current is a vital component of coastal dynamics that affects sediment transport, beach safety, and marine ecosystems. Understanding this phenomenon allows us to appreciate the complexity of our coastal environments and the interconnectedness of natural processes. As we continue to study and monitor the longshore current, we can better manage our beaches and protect the delicate balance of coastal ecosystems. Whether you are a beachgoer, a fisherman, or a scientist, recognizing the significance of the longshore current enhances our understanding of the ocean's influence on our lives and the environment around us.

海洋是一个广阔而强大的实体,塑造着我们的海岸线并影响天气模式。与海洋动态相关的一个迷人现象是沿岸水流,它在沿海过程中的作用至关重要。沿岸水流是一种平行于海岸线流动的水流,由以一定角度冲击海滩的波浪所产生。这种水流不仅对沙子和沉积物的移动至关重要,而且对航行、捕鱼和海滩安全有重要影响。理解沿岸水流的机制首先要认识到波浪如何与海岸相互作用。当波浪以一定角度接近海岸时,它们会在海滩上形成锯齿状运动,随着波浪的破裂和退去,水被推向海岸,形成沿岸水流。这一水流的强度和方向会因波高、风向和海岸形状等因素而有所不同。沿岸水流对于沿海沙子运输至关重要,这一过程被称为沿岸漂移。当沙子从海滩的一部分侵蚀掉时,它会被水流带走,并在海岸线的更远处沉积。这一自然过程有助于维持海滩的形状,并随着时间的推移甚至可以创造出新的地貌。然而,人类活动,如建造码头和防波堤,可能会破坏这种平衡,导致某些地区的侵蚀和其他地区的沉积。除了在沉积物运输中的作用外,沿岸水流还会影响休闲活动。对于游泳者和冲浪者来说,了解这一水流的存在和强度对于安全至关重要。强劲的沿岸水流可能会带来风险,尤其是对于没有经验的游泳者。救生员通常会监测这些水流,并向海滩游客发出警告,以确保他们的安全。此外,沿岸水流对海洋生物也有影响。许多鱼类和其他海洋生物依赖这些水流进行迁徙和觅食。水的运动可以将深水中的营养物质带到靠近海岸的地方,支持丰富的生态系统。渔民们常常利用沿岸水流来定位鱼群,使其成为商业和休闲捕鱼的重要因素。总之,沿岸水流是沿海动态的重要组成部分,影响沉积物运输、海滩安全和海洋生态系统。理解这一现象使我们能够欣赏沿海环境的复杂性以及自然过程的相互联系。随着我们继续研究和监测沿岸水流,我们可以更好地管理我们的海滩,保护沿海生态系统的脆弱平衡。无论你是海滩游客、渔民还是科学家,认识到沿岸水流的重要性都增强了我们对海洋对我们的生活和周围环境影响的理解。