thaw holes

简明释义

冰蚀洞

英英释义

例句

1.The construction crew had to avoid the thaw holes to ensure the stability of the foundation.

施工队必须避免融化孔以确保基础的稳定性。

2.The farmer noticed that the thaw holes were forming in the field after the recent warm spell.

农民注意到在最近的温暖天气后，田地里形成了融化孔。

3.During winter, thaw holes can be a sign of climate change affecting local ecosystems.

冬季时，融化孔可能是气候变化影响当地生态系统的一个迹象。

4.The biologist studied the thaw holes to understand their impact on the habitat.

生物学家研究了融化孔以了解它们对栖息地的影响。

5.After the snow melted, the thaw holes became visible around the pond.

雪融化后，池塘周围的融化孔变得显而易见。

作文

In the Arctic regions, climate change has become a pressing issue that affects both the environment and the local communities. One of the most significant phenomena resulting from rising temperatures is the formation of thaw holes, which are depressions created when permafrost melts. These thaw holes can vary in size and depth, and their appearance indicates the ongoing changes in the landscape due to global warming.Permafrost, a layer of permanently frozen soil found in polar regions, plays a crucial role in maintaining the stability of the ground. When temperatures rise, this frozen layer begins to thaw, leading to the creation of thaw holes. The melting process can release greenhouse gases such as methane and carbon dioxide, further exacerbating climate change. As these gases enter the atmosphere, they contribute to the greenhouse effect, causing even higher temperatures and more permafrost to melt, creating a vicious cycle.The impact of thaw holes extends beyond environmental concerns; it also affects local communities. Indigenous peoples who rely on the land for their livelihoods are particularly vulnerable to the changes brought about by melting permafrost. As thaw holes form, they can disrupt traditional hunting and fishing practices, making it more challenging for these communities to sustain themselves. Additionally, the instability caused by thaw holes can lead to damage to infrastructure, such as roads and buildings, posing risks to safety and accessibility.Moreover, the ecological consequences of thaw holes are profound. These depressions can alter water drainage patterns, leading to changes in local ecosystems. Areas that were once dry may become wetlands, attracting different species of plants and animals. This shift can have cascading effects on biodiversity, as some species thrive in the new conditions while others struggle to survive. The emergence of thaw holes can thus reshape entire habitats, highlighting the interconnectedness of climate change and ecological balance.In conclusion, thaw holes are a clear indicator of the impacts of climate change in the Arctic. They represent not only the physical changes in the landscape but also the broader implications for local communities and ecosystems. Addressing the challenges posed by thaw holes requires a concerted effort to mitigate climate change and adapt to its effects. By understanding the significance of thaw holes and their consequences, we can better appreciate the urgent need for action to protect our planet and its inhabitants.

在北极地区，气候变化已成为影响环境和当地社区的紧迫问题。由气温上升引发的最显著现象之一是形成融化孔，即由于永久冻土融化而形成的凹陷。这些融化孔的大小和深度各不相同，其出现表明由于全球变暖而导致的景观变化。永久冻土是指在极地地区发现的永久冻结土壤层，在维持地面稳定性方面发挥着至关重要的作用。当气温上升时，这一冻结层开始融化，从而导致融化孔的形成。融化过程可能释放温室气体，如甲烷和二氧化碳，进一步加剧气候变化。当这些气体进入大气时，会导致温室效应，造成更高的温度和更多的永久冻土融化，形成恶性循环。融化孔的影响不仅限于环境问题；它们还影响当地社区。依赖土地谋生的土著人民特别容易受到融化永久冻土带来的变化的影响。随着融化孔的形成，它们可能会干扰传统的狩猎和捕鱼活动，使这些社区更难以维持生计。此外，由于融化孔造成的不稳定性可能导致基础设施（如道路和建筑物）的损坏，给安全和可达性带来风险。此外，融化孔的生态后果也十分深远。这些凹陷可以改变水流排放模式，导致地方生态系统的变化。曾经干燥的地区可能变成湿地，吸引不同种类的植物和动物。这种转变可能对生物多样性产生连锁反应，因为一些物种在新条件下茁壮成长，而另一些物种则难以生存。因此，融化孔的出现可以重新塑造整个栖息地，突显气候变化与生态平衡之间的相互联系。总之，融化孔是北极气候变化影响的明显指标。它们不仅代表了景观的物理变化，还代表了对当地社区和生态系统的更广泛影响。应对融化孔带来的挑战需要共同努力，以减缓气候变化并适应其影响。通过理解融化孔的重要性及其后果，我们可以更好地认识到保护我们星球及其居民的紧迫需求。