annually thawed layer

简明释义

1. 年融层; 2. 活动层;

英英释义

例句

1.The vegetation in the tundra relies heavily on the annually thawed layer (每年融化层) to grow during the brief summer months.

苔原中的植被在短暂的夏季生长过程中严重依赖于每年融化层。

2.The thickness of the annually thawed layer (每年融化层) can vary significantly from year to year.

每年的每年融化层的厚度可能会有显著变化。

3.Animals in the Arctic depend on the nutrients available in the annually thawed layer (每年融化层) for their survival.

北极的动物依赖于每年融化层中可用的营养物质来生存。

4.During the spring, the annually thawed layer (每年融化层) provides crucial moisture for plants.

在春季，每年融化层为植物提供了重要的水分。

5.Scientists study the annually thawed layer (每年融化层) to understand the impact of climate change on permafrost regions.

科学家研究每年融化层以了解气候变化对永久冻土地区的影响。

作文

The phenomenon of climate change has brought about various environmental challenges, one of which is the melting of permafrost in polar regions. This process is crucial to understanding the dynamics of our planet's ecosystems. The term annually thawed layer refers to the uppermost layer of soil that thaws during the warmer months of the year and then refreezes in the winter. This layer plays a significant role in the carbon cycle and affects local flora and fauna. As temperatures rise, the annually thawed layer expands, leading to increased microbial activity and the release of greenhouse gases such as carbon dioxide and methane into the atmosphere.The annually thawed layer is not just a simple layer of soil; it is a complex environment that supports various life forms. During the summer, this layer becomes a habitat for plants, insects, and other organisms that thrive in warmer temperatures. The thawing process allows water to seep into the soil, providing essential moisture for plant growth. However, as the annually thawed layer continues to deepen due to rising global temperatures, it can also lead to destabilization of the ground, resulting in phenomena such as landslides and erosion.Moreover, the impact of the annually thawed layer extends beyond local ecosystems. The release of greenhouse gases from thawing permafrost contributes to global warming, creating a feedback loop that exacerbates climate change. Scientists estimate that the permafrost holds twice as much carbon as the atmosphere, and as it thaws, this carbon is released, further increasing atmospheric temperatures. This alarming trend highlights the importance of monitoring the annually thawed layer and understanding its implications for our planet's future.In addition to its ecological significance, the annually thawed layer also has socio-economic impacts. Indigenous communities in Arctic regions rely on the stability of the permafrost for their traditional lifestyles, which include hunting and fishing. As the permafrost thaws, it alters migration patterns of animals and affects the availability of resources. Furthermore, infrastructure built on permafrost can become unstable, leading to costly repairs and safety hazards.Addressing the challenges posed by the annually thawed layer requires a multi-faceted approach. Researchers are actively studying the changes in permafrost and its effects on the environment. By using advanced technology such as satellite imagery and ground-penetrating radar, scientists can track the depth and extent of the thawed layer. This information is crucial for predicting future changes and developing strategies to mitigate the impacts of climate change.In conclusion, the annually thawed layer is a vital component of our ecosystem that reflects the broader issues related to climate change. Its effects are felt at both local and global levels, impacting biodiversity, carbon emissions, and human livelihoods. Understanding and monitoring this layer is essential for addressing the challenges posed by a warming world. As we move forward, it is imperative that we prioritize research and conservation efforts to protect our planet's delicate balance and ensure a sustainable future for generations to come.

气候变化现象带来了各种环境挑战，其中之一是极地地区永久冻土的融化。这个过程对于理解我们星球生态系统的动态至关重要。术语annually thawed layer指的是每年温暖月份融化的土壤最上层，在冬季又重新冻结。这个层在碳循环中扮演着重要角色，并影响当地的动植物。随着气温上升，annually thawed layer逐渐扩展，导致微生物活动增加，温室气体如二氧化碳和甲烷被释放到大气中。annually thawed layer不仅仅是一个简单的土壤层；它是一个复杂的环境，支持着各种生命形式。在夏季，这一层成为植物、昆虫和其他在较高温度下繁荣的生物的栖息地。融化过程使水渗入土壤，为植物生长提供了必要的水分。然而，随着annually thawed layer由于全球气温上升而不断加深，也可能导致地面不稳定，从而引发滑坡和侵蚀等现象。此外，annually thawed layer的影响超出了地方生态系统。永久冻土中温室气体的释放促进了全球变暖，形成了加剧气候变化的反馈循环。科学家估计，永久冻土中储存的碳是大气中碳量的两倍，随着其融化，这些碳被释放，进一步提高了大气温度。这一令人担忧的趋势突显了监测annually thawed layer及理解其对我们星球未来影响的重要性。除了生态意义外，annually thawed layer还具有社会经济影响。生活在北极地区的土著社区依赖于永久冻土的稳定性以维持他们的传统生活方式，包括狩猎和捕鱼。随着永久冻土的融化，它改变了动物的迁徙模式，并影响资源的可用性。此外，建在永久冻土上的基础设施可能变得不稳定，导致昂贵的维修和安全隐患。应对annually thawed layer带来的挑战需要多方面的综合方法。研究人员正在积极研究永久冻土的变化及其对环境的影响。通过使用卫星图像和地面穿透雷达等先进技术，科学家可以跟踪融化层的深度和范围。这些信息对于预测未来变化和制定减轻气候变化影响的策略至关重要。总之，annually thawed layer是我们生态系统的重要组成部分，反映了与气候变化相关的更广泛问题。其影响在地方和全球层面上都能感受到，影响生物多样性、碳排放和人类生计。理解和监测这一层对于应对变暖世界带来的挑战至关重要。随着时间的推移，我们必须优先考虑研究和保护工作，以保护我们星球的脆弱平衡，并确保为后代创造可持续的未来。