continental margin

简明释义

大陆边缘

英英释义

例句

1.Oil drilling often occurs along the continental margin 大陆边缘 where resources are abundant.

石油钻探通常发生在资源丰富的大陆边缘 continental margin地区。

2.The study of the continental margin 大陆边缘 helps scientists understand plate tectonics.

对大陆边缘 continental margin的研究帮助科学家理解板块构造。

3.The continental margin 大陆边缘 is a critical area for understanding ocean currents.

大陆边缘 continental margin是理解海洋洋流的重要区域。

4.Many marine species thrive in the nutrient-rich waters of the continental margin 大陆边缘.

许多海洋物种在营养丰富的大陆边缘 continental margin水域中繁衍生息。

5.Geologists use seismic data to map the continental margin 大陆边缘 and identify potential hazards.

地质学家使用地震数据绘制大陆边缘 continental margin的地图并识别潜在危险。

作文

The Earth's surface is a complex and dynamic system, comprising various geological features that have evolved over millions of years. One of the most significant aspects of this system is the continental margin, which refers to the zone of transition between the continental crust and the oceanic crust. This area plays a crucial role in understanding the Earth's geology, marine ecosystems, and even human activities such as fishing and oil exploration. The continental margin can be divided into two main types: passive margins and active margins. Passive margins are typically found along the edges of tectonic plates that are not currently experiencing significant geological activity. These margins are characterized by wide continental shelves, gentle slopes, and thick sediment deposits. For example, the eastern coast of the United States exhibits a passive continental margin, where the land gradually transitions into the ocean without much seismic activity.In contrast, active margins are located at tectonic plate boundaries where significant geological activity occurs, such as earthquakes and volcanic eruptions. These margins are often steep and narrow, with rugged topography and little sediment accumulation. The western coast of South America, particularly along the Andes mountain range, exemplifies an active continental margin. Here, the Nazca Plate is subducting beneath the South American Plate, resulting in dramatic geological formations and frequent seismic events.The significance of the continental margin extends beyond geology; it is also vital for marine life. Continental shelves, which are part of the continental margin, provide essential habitats for numerous species of fish and other marine organisms. These areas are often rich in nutrients due to the upwelling of deep ocean waters, making them prime locations for commercial fishing. Understanding the dynamics of the continental margin is essential for sustainable fishing practices and marine conservation efforts.Moreover, the continental margin is a focal point for resource exploration. Many countries seek to exploit the natural resources found in these regions, including oil, gas, and minerals. The exploration and extraction of these resources must be conducted responsibly to minimize environmental impact. As nations compete for access to these valuable resources, international laws and agreements play a critical role in governing activities on the continental margin. In conclusion, the continental margin is a vital component of the Earth's geological framework, influencing not only the physical landscape but also the biological and economic aspects of marine environments. By studying the continental margin, scientists can gain insights into the Earth's history, the dynamics of tectonic processes, and the importance of preserving our oceans. As we continue to explore and understand this unique region, we must balance the need for resource extraction with the imperative of environmental stewardship. The continental margin serves as a reminder of the interconnectedness of our planet's systems and the responsibility we hold to protect them for future generations.

地球表面是一个复杂而动态的系统，包含了经过数百万年演变而成的各种地质特征。这个系统中最重要的方面之一是大陆边缘，它指的是大陆地壳与海洋地壳之间的过渡区域。这个区域在理解地球的地质、海洋生态系统，甚至人类活动（如捕鱼和石油勘探）方面发挥着至关重要的作用。大陆边缘可以分为两种主要类型：被动边缘和主动边缘。被动边缘通常位于当前没有显著地质活动的构造板块边缘。这些边缘的特点是宽广的大陆架、缓坡和厚厚的沉积物。例如，美国东海岸展现了一个被动的大陆边缘，在这里，陆地逐渐过渡到海洋，没有太多的地震活动。相反，主动边缘位于构造板块边界，那里发生显著的地质活动，如地震和火山喷发。这些边缘通常陡峭且狭窄，地形崎岖，沉积物积累很少。南美洲的西海岸，特别是安第斯山脉，就例证了一个主动的大陆边缘。在这里，纳斯卡板块正在向南美板块俯冲，导致戏剧性的地质构造和频繁的地震事件。大陆边缘的重要性不仅限于地质，它对海洋生物也至关重要。作为大陆边缘一部分的大陆架，为众多鱼类和其他海洋生物提供了重要栖息地。这些区域由于深海水的上涌而富含养分，使其成为商业捕鱼的主要位置。了解大陆边缘的动态对于可持续捕鱼实践和海洋保护工作至关重要。此外，大陆边缘还是资源勘探的重点区域。许多国家寻求开发这些地区的自然资源，包括石油、天然气和矿产。对这些资源的勘探和开采必须负责任地进行，以尽量减少环境影响。随着各国争夺对这些宝贵资源的访问权，国际法律和协议在管理大陆边缘活动中发挥着关键作用。总之，大陆边缘是地球地质框架的重要组成部分，不仅影响物理景观，还影响海洋环境的生物和经济方面。通过研究大陆边缘，科学家可以深入了解地球的历史、构造过程的动态以及保护我们海洋的重要性。随着我们继续探索和理解这个独特区域，我们必须在资源开采的需求与环境保护的必要性之间找到平衡。大陆边缘提醒我们地球系统的相互联系以及我们保护这些系统的责任，以便为后代留存。