outwash

简明释义

英[ˈaʊtˌwɒʃ]美[ˈaʊtˌwɔːʃ]

n. [地质] 冰水沉积；消融，冲蚀

英英释义

单词用法

同义词

反义词

例句

1.The water was always laden with pebbles, gravel, and sand, known as glacial outwash, that was deposited as the flow slowed down.

水里总是遍布鹅卵石、砾石和沙子——它们被称为冰水沉积，是在水流减缓时沉积下来的。

2.This landslide deposit pretty much rules out the idea that the deposits farther upstream are glacial outwash.

这个滑坡沉积物大可以排除远离上游的沉积物是冰川沉积的想法。

3.Through slaking test, the influence of the soil characteristics and the degree of compaction on the outwash resistance of the soil were analyzed.

在室内做湿化试验，分析了土性、压实度对试样抗冲刷能力的影响。

4.Sometimes the animal multitudes are horizontal, as on Salisbury Plain, a glacial outwash delta densely colonized by king penguins, fur and elephant seals, and kelp gulls.

有些地方动物种群是水平分布的，比如在索尔兹伯里平原，这块冰碛沉积三角洲密集分布着王企鹅、软毛海豹、象海豹和黑背海鸥。

5.The variations of the moraine-outwash are discussed thoroughly.

深入探讨了冰碛-冰水沉积物成分规律的变化性。

6.Sometimes the animal multitudes are horizontal, as on Salisbury Plain, a glacial outwash delta densely colonized by king penguins, fur and elephant seals, and kelp gulls.

有些地方动物种群是水平分布的，比如在索尔兹伯里平原，这块冰碛沉积三角洲密集分布着王企鹅、软毛海豹、象海豹和黑背海鸥。

7.The outwash area is home to diverse plant species that thrive in sandy soils.

该冲积物区域是多种植物物种的栖息地，这些植物在沙质土壤中茁壮成长。

8.The glacier left behind a vast plain of outwash that is now fertile farmland.

冰川留下了一片广阔的冲积物，现在是肥沃的农田。

9.During our hike, we crossed several streams formed by outwash from the melting glacier.

在我们的徒步旅行中，我们穿过了几条由融化冰川的冲积物形成的小溪。

10.The outwash deposits can provide valuable insights into past climatic conditions.

这些冲积物沉积物可以提供对过去气候条件的宝贵见解。

11.Scientists study outwash to understand glacial movements and their impact on the landscape.

科学家研究冲积物以了解冰川运动及其对地貌的影响。

作文

The study of glacial formations and their effects on the landscape is a fascinating subject that reveals much about Earth's climatic history. One of the most significant processes involved in this phenomenon is the creation of outwash, which refers to the sediment deposited by meltwater from glaciers. This process occurs when glaciers retreat, allowing the water that was previously trapped within the ice to flow away, carrying with it various materials such as sand, gravel, and silt. The resulting deposits can create extensive plains known as outwash plains, which are characterized by their stratified layers of sediment. These plains are not only important for understanding geological history, but they also play a crucial role in modern ecosystems. Outwash plains often become fertile areas for agriculture due to the nutrient-rich materials left behind by glacial meltwater. Farmers frequently take advantage of these deposits, cultivating crops that thrive in the well-drained soils. Additionally, the outwash deposits can influence local hydrology, affecting groundwater recharge and surface water flow patterns. The interaction between ancient glacial activity and present-day land use highlights the importance of understanding outwash in both historical and contemporary contexts.Moreover, the study of outwash has implications for climate change research. As glaciers continue to melt at an alarming rate due to rising global temperatures, the patterns of outwash formation may change significantly. This could lead to alterations in sediment transport, which can impact river systems and coastal environments. Understanding how outwash behaves under changing climatic conditions is critical for predicting future landscapes and managing natural resources effectively.In conclusion, the concept of outwash is integral to both geology and ecology. It serves as a reminder of the dynamic processes that shape our planet and the interconnectedness of natural systems. By studying outwash and its effects, we gain valuable insights into Earth's past and present, equipping ourselves to face the challenges of the future. As we continue to explore the implications of glacial melt and sediment deposition, it is essential to appreciate the role of outwash in maintaining the balance of our ecosystems and supporting human activities. The knowledge we gain from these studies will be crucial in promoting sustainable practices and preserving the delicate environments that depend on these glacial processes.

冰川形成及其对地貌的影响是一个迷人的主题，揭示了地球气候历史的许多内容。这个现象中最重要的过程之一是创建外洗沉积，指的是由冰川融水沉积的沉积物。当冰川退缩时，这一过程发生，使得之前被冰层困住的水流出，携带着各种材料，如沙子、砾石和淤泥。最终形成的沉积物可以创建广泛的平原，称为外洗沉积平原，其特征是分层的沉积物。这些平原不仅对理解地质历史至关重要，而且在现代生态系统中也发挥着关键作用。外洗沉积平原通常成为农业的肥沃地区，因为冰川融水留下的富含养分的材料。农民们经常利用这些沉积物，种植适合在良好排水土壤中生长的作物。此外，外洗沉积沉积物可以影响地方水文，影响地下水补给和地表水流动模式。古代冰川活动与现代土地利用之间的互动突显了在历史和当代背景下理解外洗沉积的重要性。此外，外洗沉积的研究对气候变化研究也有重要意义。随着全球温度上升，冰川以惊人的速度继续融化，外洗沉积形成的模式可能会发生显著变化。这可能导致沉积物运输的改变，从而影响河流系统和沿海环境。在变化的气候条件下理解外洗沉积的行为对预测未来的景观和有效管理自然资源至关重要。总之，外洗沉积的概念对于地质学和生态学都是不可或缺的。它提醒我们塑造我们星球的动态过程以及自然系统之间的相互联系。通过研究外洗沉积及其影响，我们获得了对地球过去和现在的宝贵见解，使我们能够应对未来的挑战。当我们继续探索冰川融化和沉积物沉积的影响时，欣赏外洗沉积在维持生态系统平衡和支持人类活动中的作用是至关重要的。我们从这些研究中获得的知识对于促进可持续实践和保护依赖于这些冰川过程的脆弱环境至关重要。