snow crust

简明释义

积雪层的薄而硬的表面

英英释义

例句

1.During winter, the snow crust 雪壳 can make it hard for skiers to find soft powder.

冬天，雪壳 雪壳会让滑雪者很难找到柔软的粉雪。

2.The hikers found it difficult to walk on the snow crust 雪壳 that formed overnight.

徒步旅行者发现很难在夜间形成的雪壳 雪壳上行走。

3.Children loved to slide down the hill on the snow crust 雪壳 after the snowstorm.

暴风雪后，孩子们喜欢在雪壳 雪壳上滑下山。

4.The snow crust 雪壳 formed a solid surface for snowshoeing.

这层雪壳 雪壳形成了一个坚实的表面，适合雪鞋行走。

5.The snow crust 雪壳 was strong enough to support the weight of a small animal.

这层雪壳 雪壳足够坚固，可以支撑小动物的重量。

作文

Winter is a magical season, often associated with snow-covered landscapes and the joy of holiday festivities. However, beneath the beautiful white blanket lies a phenomenon known as snow crust (雪壳), which plays a significant role in the dynamics of winter ecosystems. Understanding this concept can enhance our appreciation of winter's complexities and its impact on nature. The snow crust (雪壳) forms when the surface of the snowpack undergoes melting and refreezing, creating a hard layer that can support weight. This crust can be both beneficial and detrimental to wildlife. For instance, animals like hares and foxes may find it easier to move across the landscape without sinking into the deeper, softer snow underneath. The snow crust (雪壳) provides a solid footing for these creatures, allowing them to traverse their habitat more efficiently in search of food. However, the presence of a snow crust (雪壳) can also pose challenges. Predators may find it easier to hunt prey that is unable to escape due to the hard surface. Additionally, the crust can trap air pockets beneath it, leading to unstable conditions that may result in avalanches if the crust breaks under too much weight or pressure. Thus, while the snow crust (雪壳) can facilitate movement for some, it can also create hazards for others. In addition to its effects on wildlife, the snow crust (雪壳) has implications for human activities as well. Skiers and snowboarders often encounter this hard layer when navigating through backcountry areas. It can make for challenging conditions, as the crust may not support the weight of a person, causing them to break through into the softer snow below. Understanding the characteristics of the snow crust (雪壳) is essential for outdoor enthusiasts to ensure safety and enjoyment during winter sports. Moreover, the formation of a snow crust (雪壳) can influence the hydrology of an area. When spring arrives and temperatures rise, the melting of the snow crust (雪壳) allows water to percolate into the ground, replenishing aquifers and supporting plant life. Conversely, if the crust remains intact, it can lead to surface runoff, potentially causing flooding in lower-lying areas. This dynamic illustrates the interconnectedness of winter weather patterns, ecology, and human activity. In conclusion, the snow crust (雪壳) is a fascinating aspect of winter that impacts various elements of the ecosystem. From its effects on animal movement to its implications for human recreation and environmental hydration, understanding the snow crust (雪壳) can deepen our appreciation for the intricate relationships within nature. As we continue to explore and engage with the winter landscape, let us remember the hidden complexities beneath the surface and the role they play in sustaining life during the colder months.

冬天是一个神奇的季节，常常与被雪覆盖的景观和节日的快乐联系在一起。然而，在这美丽的白色毯子下，存在着一种被称为雪壳的现象，它在冬季生态系统的动态中扮演着重要角色。理解这个概念可以增强我们对冬季复杂性的欣赏及其对自然的影响。 雪壳形成于雪层表面经历融化和再冻结的过程，创造出一个硬层，可以承受重量。这个壳层对野生动物既有好处也有坏处。例如，像野兔和狐狸这样的动物可能发现它们在景观上移动变得更容易，而不会陷入下面更深、更柔软的雪中。雪壳为这些生物提供了坚实的立足点，使它们能够更有效地穿越栖息地，寻找食物。 然而，雪壳的存在也可能带来挑战。捕食者可能会发现猎物更容易捕捉，因为猎物因硬表面无法逃脱。此外，壳层可能会在其下方困住空气口袋，导致不稳定的条件，如果壳层在过多的重量或压力下破裂，可能会导致雪崩。因此，虽然雪壳可以促进某些动物的移动，但它也可能为其他动物创造危险。 除了对野生动物的影响外，雪壳对人类活动也有影响。滑雪者和单板滑雪者在穿越后山区域时经常会遇到这一硬层。这可能会造成挑战，因为壳层可能无法支撑一个人的重量，导致他们跌入下面更柔软的雪中。理解雪壳的特性对户外爱好者确保安全和享受冬季运动至关重要。 此外，雪壳的形成还可能影响一个地区的水文。当春天到来，气温上升时，雪壳的融化使水分渗入地下，补充含水层，支持植物生长。相反，如果壳层保持完好，可能会导致地表径流，从而在低洼地区引发洪水。这一动态说明了冬季天气模式、生态学和人类活动之间的相互联系。 总之，雪壳是冬季一个迷人的方面，影响生态系统的各个元素。从它对动物运动的影响到对人类娱乐和环境水分的影响，理解雪壳可以加深我们对自然中复杂关系的欣赏。当我们继续探索和参与冬季景观时，让我们记住表面下隐藏的复杂性以及它们在寒冷月份维持生命中所发挥的作用。