ice shelf
简明释义
陆架冰陆架冰
英英释义
A floating platform of ice that forms where a glacier or ice flows into the ocean, typically extending from the land and held in place by the coastline. | 一种浮动的冰平台,形成于冰川或冰流进入海洋的地方,通常从陆地延伸并被海岸线固定。 |
例句
1.Scientists are studying the ice shelf to understand climate change better.
科学家们正在研究冰架,以更好地理解气候变化。
2.The Antarctic ice shelf is one of the largest in the world.
南极冰架是世界上最大的冰架之一。
3.The melting of the ice shelf contributes significantly to global sea level rise.
冰架的融化对全球海平面上升有显著贡献。
4.A large crack has been detected in the ice shelf near the coast.
在靠近海岸的冰架上发现了一条大裂缝。
5.The collapse of the ice shelf has raised concerns about rising sea levels.
冰架的崩溃引发了对海平面上升的担忧。
作文
The phenomenon of climate change has brought significant attention to various environmental issues, one of which is the melting of the ice shelf. An ice shelf (冰架) is a thick floating platform of glacial ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface. These natural structures play a crucial role in stabilizing the glaciers behind them, acting as a barrier that slows their flow into the sea.As global temperatures rise due to human activities, especially the burning of fossil fuels, the impact on the ice shelf is becoming increasingly alarming. The warming ocean waters are eroding these ice shelves from below, causing them to thin and eventually break apart. This process not only contributes to rising sea levels but also accelerates the flow of glaciers into the ocean, leading to further ice loss.One of the most notable examples of this phenomenon is the Larsen Ice Shelf in Antarctica. Over the past few decades, sections of the ice shelf have collapsed, resulting in the release of massive icebergs into the sea. The collapse of the Larsen B Ice Shelf in 2002 was particularly striking, as it lost over 3,000 square kilometers of ice in just a few weeks. Such events serve as stark reminders of the fragility of these ice formations and their susceptibility to climate change.The implications of melting ice shelves extend beyond just local ecosystems. As these ice masses break apart, they contribute to global sea level rise, threatening coastal communities around the world. According to scientific estimates, if all the ice in Antarctica were to melt, global sea levels could rise by over 60 meters. While this scenario may seem distant, even a modest rise of a few feet can lead to significant flooding in many regions, displacing millions of people.Moreover, the melting of ice shelves can disrupt ocean currents and weather patterns, which are essential for regulating the Earth's climate. The influx of freshwater from melting ice can alter salinity levels, impacting marine life and ecosystems. Fish populations, for instance, may decline as their habitats change, leading to repercussions for fishing industries and food security.In conclusion, the ice shelf (冰架) is more than just a mass of ice; it is a critical component of our planet's climate system. Its stability is vital for maintaining the balance of our oceans and protecting coastal regions. As we continue to witness the effects of climate change, it is imperative that we take action to reduce greenhouse gas emissions and promote sustainable practices. By doing so, we can help preserve these magnificent structures and the ecosystems they support, ensuring a healthier planet for future generations.
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