periglacial

简明释义

英[ˌperɪˈɡleɪʃəl]美[ˌperɪˈɡleɪʃəl]

adj. 冰缘的

n. 冰缘，冰边

英英释义

单词用法

同义词

反义词

例句

1.This paper deals with the comprehensive division of the global periglacial geomorphology for showing the significance on the entire features of the global periglacial processes and their environment.

本文讨论了全球冰缘地貌综合区划在反映全球冰缘环境和冰缘过程整体特征中的意义。

2.This paper deals with the comprehensive division of the global periglacial geomorphology for showing the significance on the entire features of the global periglacial processes and their environment.

本文讨论了全球冰缘地貌综合区划在反映全球冰缘环境和冰缘过程整体特征中的意义。

3.The correlate analysis shows that heavy metal element accumulation in periglacial plants is influenced by the heavy metal element content in soil.

相关分析的结果表明，植物对重金属元素的吸收受土壤元素含量的影响。

4.Wedge-shaped structure which is isolated from massive diamictite may be filled with the decay of an ice wedge in periglacial environment.

楔状构造则可能是冰缘环境的冰楔体融化泄水的结果；

5.A number of these changes represented adaptations to grazing in Siberia's periglacial conditions.

牠们之间有许多变化，都是对冰河期之前的西伯利亚环境的适应。

6.There are more than 60 kinds periglacial landforms all over the world.

冰缘地貌属于一种气候作用地貌，全球有60多种冰缘地貌类型。

7.The periglacial 冰缘的 landscape is characterized by features such as patterned ground and ice wedges.

这种冰缘的地貌特征包括有规律的地面和冰楔。

8.Researchers study periglacial 冰缘的 environments to understand past climate conditions.

研究人员研究冰缘的环境以了解过去的气候条件。

9.The periglacial 冰缘的 zone can be found in areas just outside the polar regions.

在极地地区外的区域可以找到冰缘的地带。

10.During the last Ice Age, much of North America was covered by periglacial 冰缘的 landscapes.

在上一个冰河时期，北美的大部分地区被冰缘的地貌覆盖。

11.The study of periglacial 冰缘的 processes helps scientists predict future changes in climate.

对冰缘的过程的研究帮助科学家预测未来的气候变化。

作文

The term periglacial refers to the environmental conditions and landforms that exist in areas adjacent to glaciers or ice sheets. These regions are characterized by a cold climate, which can lead to unique geological and ecological features. Understanding periglacial environments is crucial for scientists studying climate change, as they provide valuable insights into past and present climatic conditions. In many parts of the world, particularly in high-latitude regions, the periglacial zone plays a significant role in shaping the landscape. The freeze-thaw cycles common in these areas contribute to the formation of various landforms such as patterned ground, ice wedges, and solifluction lobes. Patterned ground, for instance, is created when soil and sediment are pushed upwards and arranged in distinct patterns due to the repeated freezing and thawing of the ground. This phenomenon is not only fascinating from a geological perspective but also serves as an indicator of the climatic conditions in a given area. Furthermore, the biological aspects of periglacial regions are equally important. Vegetation in these areas is often limited to hardy species that can withstand extreme cold and short growing seasons. The flora and fauna found in periglacial environments have adapted to survive in harsh conditions, making them interesting subjects for ecological research. For example, certain mosses and lichens thrive in these regions, contributing to the overall biodiversity. As climate change continues to impact our planet, periglacial regions are particularly vulnerable. The melting of permafrost, which is a key feature of many periglacial zones, can lead to significant changes in the landscape and ecosystems. Permafrost acts as a stable foundation for many structures and natural features; its thawing can result in ground instability, affecting both human infrastructure and natural habitats. Additionally, the release of greenhouse gases stored in permafrost could further exacerbate global warming, creating a feedback loop that intensifies climate change effects. In conclusion, the study of periglacial environments offers critical insights into our planet's climatic history and future. As scientists work to understand the implications of climate change, periglacial regions will undoubtedly remain a focal point of research. By examining the unique characteristics and challenges faced by these areas, we can better appreciate the delicate balance of our planet's ecosystems and the importance of preserving them for future generations.

“periglacial”一词指的是存在于冰川或冰盖附近地区的环境条件和地貌。这些地区的气候寒冷，可能导致独特的地质和生态特征。理解periglacial环境对研究气候变化的科学家至关重要，因为它们为过去和现在的气候条件提供了宝贵的见解。 在世界许多地方，特别是在高纬度地区，periglacial区域在塑造地貌方面起着重要作用。这些地区常见的冻融循环促成了各种地貌的形成，如图案地面、冰楔和土壤流动舌。例如，图案地面是由于土壤和沉积物在反复冻结和融化过程中被推向上方并以不同的模式排列而形成的。这种现象不仅从地质角度来看令人着迷，而且还作为给定区域气候条件的指示器。 此外，periglacial地区的生物学方面同样重要。这些地区的植被往往仅限于能够承受极端寒冷和短暂生长季节的耐寒物种。在这些periglacial环境中发现的植物和动物已经适应了在恶劣条件下生存，使它们成为生态研究的有趣对象。例如，某些苔藓和地衣在这些地区茁壮成长，促进了整体生物多样性。 随着气候变化不断影响我们的星球，periglacial地区尤其脆弱。永久冻土的融化是许多periglacial区域的一个关键特征，可能导致地貌和生态系统的重大变化。永久冻土为许多结构和自然特征提供了稳定的基础；其融化可能导致地面不稳定，影响人类基础设施和自然栖息地。此外，永久冻土中储存的温室气体的释放可能进一步加剧全球变暖，造成加剧气候变化影响的反馈循环。 总之，研究periglacial环境提供了对我们星球气候历史和未来的重要见解。随着科学家们努力理解气候变化的影响，periglacial地区无疑将继续成为研究的焦点。通过考察这些地区面临的独特特征和挑战，我们可以更好地欣赏我们星球生态系统的微妙平衡以及保护它们对未来几代人的重要性。