active ocean margin

简明释义

1. 活动大洋边缘; 2. 主动大洋边缘;

英英释义

例句

1.Seismic activity is often higher near an active ocean margin 活跃的海洋边缘, making it a focus for geologists.

由于地震活动通常在活跃的海洋边缘 active ocean margin 附近更高，因此这是地质学家的一个研究重点。

2.The active ocean margin 活跃的海洋边缘 plays a crucial role in the global climate system.

活跃的海洋边缘 active ocean margin 在全球气候系统中发挥着关键作用。

3.The research team studied the geological features of the active ocean margin 活跃的海洋边缘 to understand tectonic movements.

研究小组研究了活跃的海洋边缘 active ocean margin 的地质特征，以了解构造运动。

4.Oil drilling operations are often conducted in regions adjacent to the active ocean margin 活跃的海洋边缘 due to rich resources.

由于资源丰富，石油钻探作业通常在靠近活跃的海洋边缘 active ocean margin 的地区进行。

5.The biodiversity found in the ecosystems along the active ocean margin 活跃的海洋边缘 is remarkable.

在活跃的海洋边缘 active ocean margin 的生态系统中发现的生物多样性是显著的。

作文

The Earth's surface is a dynamic and ever-changing environment shaped by various geological processes. One of the most fascinating aspects of this surface is the concept of an active ocean margin, which refers to the regions where tectonic plates interact with oceanic bodies, leading to significant geological activity. These margins are characterized by their high levels of seismic activity, volcanic eruptions, and the formation of mountain ranges. Understanding active ocean margins is crucial for comprehending how our planet functions and evolves over time.Active ocean margins can be divided into two main categories: convergent and divergent margins. Convergent margins occur where two tectonic plates collide, often resulting in one plate being forced beneath another in a process known as subduction. This interaction creates deep ocean trenches and is responsible for some of the most powerful earthquakes and volcanic eruptions in the world. For instance, the Pacific Plate is constantly subducting beneath the North American Plate along the Cascadia Subduction Zone, leading to a highly active geological environment in the Pacific Northwest of the United States.On the other hand, divergent margins are found where tectonic plates are moving apart, allowing magma to rise from the mantle and create new oceanic crust. This process forms mid-ocean ridges, such as the Mid-Atlantic Ridge, which is the longest mountain range in the world. The formation of new crust at these margins not only contributes to the growth of ocean basins but also plays a vital role in the recycling of materials within the Earth's lithosphere.The study of active ocean margins is essential for several reasons. Firstly, it helps scientists predict natural disasters such as earthquakes and tsunamis, which can have devastating effects on human populations and infrastructure. By monitoring seismic activity along these margins, researchers can develop early warning systems that save lives and minimize damage.Secondly, understanding active ocean margins provides insights into the history of our planet. The geological features formed at these margins serve as records of past tectonic activity, revealing information about the movements of continents and the evolution of ocean basins over millions of years. This knowledge is invaluable for geologists and paleontologists who seek to reconstruct the Earth's geological history.Moreover, active ocean margins are also critical to marine ecosystems. The upwelling of nutrients from the ocean floor, driven by tectonic activity, supports diverse marine life and contributes to the productivity of fisheries. Protecting these areas is essential for maintaining biodiversity and ensuring the sustainability of marine resources.In conclusion, the concept of an active ocean margin encompasses a wide range of geological phenomena that shape our planet's surface. From the formation of mountain ranges and ocean trenches to the occurrence of natural disasters, these margins play a pivotal role in the Earth's geological processes. By studying active ocean margins, we gain valuable insights into the dynamics of our planet, helping us to better understand and respond to the challenges posed by natural hazards and environmental changes. As we continue to explore and learn about these regions, it is imperative that we also prioritize their conservation for future generations to appreciate and study.

地球表面是一个动态且不断变化的环境，由各种地质过程塑造而成。其中一个最迷人的方面是“活跃的海洋边缘”的概念，指的是构造板块与海洋体相互作用的区域，这导致了显著的地质活动。这些边缘的特点是其高水平的地震活动、火山喷发和山脉的形成。理解活跃的海洋边缘对于理解我们星球如何运作和随时间演变至关重要。活跃的海洋边缘可以分为两种主要类型：汇聚边缘和发散边缘。汇聚边缘发生在两个构造板块碰撞的地方，通常导致一个板块被迫位于另一个板块之下，这一过程称为俯冲。这种相互作用形成深海沟，并导致世界上一些最强大的地震和火山喷发。例如，太平洋板块正在不断地在卡斯卡迪亚俯冲带下方俯冲，导致美国太平洋西北部的地质环境高度活跃。另一方面，发散边缘则出现在构造板块分开移动的地方，允许岩浆从地幔上升并形成新的海洋地壳。这一过程形成了中洋脊，例如中大西洋脊，这是世界上最长的山脉。在这些边缘新地壳的形成不仅有助于海洋盆地的增长，还在地球岩石圈材料的循环中扮演着至关重要的角色。研究活跃的海洋边缘至关重要，原因有几个。首先，它帮助科学家预测自然灾害，如地震和海啸，这些灾害可能对人类人口和基础设施造成毁灭性影响。通过监测这些边缘的地震活动，研究人员可以开发早期预警系统，以拯救生命并减少损失。其次，理解活跃的海洋边缘提供了我们星球历史的见解。在这些边缘形成的地质特征作为过去构造活动的记录，揭示了有关大陆移动和海洋盆地数百万年演变的信息。这些知识对于寻求重建地球地质历史的地质学家和古生物学家来说是无价的。此外，活跃的海洋边缘对海洋生态系统也至关重要。由构造活动驱动的海底营养物质的上涌支持着多样的海洋生命，并促进渔业的生产力。保护这些区域对于维护生物多样性和确保海洋资源的可持续性至关重要。总之，“活跃的海洋边缘”的概念包含了一系列塑造我们星球表面的地质现象。从山脉和海沟的形成到自然灾害的发生，这些边缘在地球的地质过程中发挥着关键作用。通过研究活跃的海洋边缘，我们获得了关于我们星球动态的宝贵见解，帮助我们更好地理解和应对自然灾害和环境变化带来的挑战。当我们继续探索和了解这些区域时，优先考虑它们的保护对于未来几代人欣赏和研究是至关重要的。