continental shelf

简明释义

大陆架大陆架

英英释义

例句

1.The continental shelf is crucial for understanding coastal erosion.

了解海岸侵蚀时，大陆架至关重要。

2.Countries often dispute over territorial rights to their respective continental shelves.

各国常常对各自的大陆架的领土权利产生争议。

3.Marine biologists study the ecosystems that thrive on the continental shelf.

海洋生物学家研究在大陆架上繁荣的生态系统。

4.The fishing industry heavily relies on the resources found on the continental shelf.

渔业在很大程度上依赖于在大陆架上发现的资源。

5.Oil companies are exploring the continental shelf for potential drilling sites.

石油公司正在探索大陆架以寻找潜在的钻探地点。

作文

The concept of the continental shelf refers to the extended perimeter of each continent, which is submerged under shallow seas and oceans. This submerged area is crucial for various ecological and economic activities. The continental shelf typically extends from the coastline to a depth of about 200 meters, where it then descends steeply into the deep ocean floor. Understanding the importance of the continental shelf is essential for several reasons, including marine biodiversity, fishing industries, and natural resource extraction.Firstly, the continental shelf is a vital habitat for numerous marine species. It provides a rich environment filled with nutrients that support diverse ecosystems. Many fish species, such as cod and haddock, rely on the shallow waters of the continental shelf for breeding and feeding. The presence of coral reefs and seagrass beds further enhances the biological productivity of these areas, making them hotspots for marine biodiversity. Protecting the health of the continental shelf is crucial for sustaining these ecosystems and ensuring the survival of various marine species.Secondly, the economic significance of the continental shelf cannot be overstated. Many countries depend on the resources found in these areas for their livelihoods. Commercial fishing is one of the primary industries that benefit from the rich marine life supported by the continental shelf. Fishermen often target species that thrive in these shallow waters, contributing significantly to local and national economies. Furthermore, the continental shelf is also a site for oil and gas exploration. Many offshore drilling operations take place in these regions, providing energy resources that are essential for modern society.Moreover, the continental shelf plays a significant role in climate regulation. The shallow waters of the continental shelf absorb carbon dioxide from the atmosphere, helping to mitigate the effects of climate change. Additionally, coastal ecosystems, such as mangroves and salt marshes that are often found on the continental shelf, act as natural barriers against storms and flooding, protecting coastal communities from the impacts of extreme weather events.However, the continental shelf faces numerous threats, including pollution, overfishing, and climate change. Industrial activities, such as oil spills and plastic waste disposal, can severely damage the delicate ecosystems that exist on the continental shelf. Overfishing not only depletes fish populations but also disrupts the balance of marine ecosystems, leading to long-term consequences for biodiversity. Climate change poses additional challenges, as rising sea temperatures and ocean acidification can alter the habitats found on the continental shelf, affecting both marine life and the human communities that rely on these resources.In conclusion, the continental shelf is a critical component of our planet's marine environment. It supports diverse ecosystems, provides economic resources, and plays a vital role in climate regulation. As we continue to explore and utilize the resources found in these areas, it is imperative to adopt sustainable practices to protect the continental shelf for future generations. By understanding its significance, we can work towards ensuring the health and sustainability of this essential part of our oceans.

“大陆架”这一概念是指每个大陆的延伸周边，这些地区淹没在浅海和海洋之下。这一被淹没的区域对于各种生态和经济活动至关重要。“大陆架”通常从海岸线延伸到大约200米的深度，在此之后急剧下降到深海底部。理解“大陆架”的重要性对于多个方面都是必要的，包括海洋生物多样性、渔业产业和自然资源开采。首先，“大陆架”是众多海洋物种的重要栖息地。它提供了一个充满营养的丰富环境，支持着多样的生态系统。许多鱼类，如鳕鱼和黑线鳕，依赖于“大陆架”的浅水区进行繁殖和觅食。珊瑚礁和海草床的存在进一步增强了这些地区的生物生产力，使其成为海洋生物多样性的热点。保护“大陆架”的健康对于维持这些生态系统和确保各种海洋物种的生存至关重要。其次，“大陆架”的经济意义不容小觑。许多国家依赖于这些地区所发现的资源来维持生计。商业捕鱼是受益于“大陆架”丰富海洋生物的主要产业之一。渔民通常针对那些在这些浅水区繁荣的物种进行捕捞，为当地和国家经济做出重要贡献。此外，“大陆架”也是石油和天然气勘探的场所。许多离岸钻探作业在这些地区进行，提供现代社会所需的能源资源。此外，“大陆架”在气候调节中也发挥着重要作用。“大陆架”的浅水区吸收来自大气的二氧化碳，有助于缓解气候变化的影响。此外，通常在“大陆架”上发现的沿海生态系统，如红树林和盐沼，作为自然屏障抵御风暴和洪水，保护沿海社区免受极端天气事件的影响。然而，“大陆架”面临着许多威胁，包括污染、过度捕捞和气候变化。工业活动，如石油泄漏和塑料废物处置，可能严重损害存在于“大陆架”上的脆弱生态系统。过度捕捞不仅耗尽鱼类种群，还会破坏海洋生态系统的平衡，导致生物多样性的长期后果。气候变化带来了额外的挑战，因为海水温度上升和海洋酸化可能改变“大陆架”上的栖息地，影响海洋生物以及依赖这些资源的人类社区。总之，“大陆架”是我们星球海洋环境的一个关键组成部分。它支持多样的生态系统，提供经济资源，并在气候调节中发挥重要作用。当我们继续探索和利用这些地区的资源时，必须采取可持续的做法，以保护“大陆架”，为未来几代人服务。通过理解其重要性，我们可以努力确保这一我们海洋的重要部分的健康和可持续性。