colluvium

简明释义

英[kəˈluːvɪəm]美[kəˈlʊvɪəm]

n. [地质] 崩积层

复 数 c o l l u v i a 或 c o l l u v i u m s

英英释义

单词用法

同义词

反义词

例句

1.The slope was covered with a thick layer of colluvium, indicating past landslides.

坡道上覆盖着厚厚的一层崩积土，这表明曾经发生过滑坡。

2.Farmers often find rich nutrients in the colluvium at the base of hills.

农民们常常在山脚下的崩积土中发现丰富的营养成分。

3.During the excavation, we encountered layers of colluvium mixed with gravel.

在挖掘过程中，我们遇到了与砾石混合的崩积土层。

4.The geologist collected samples of colluvium to study soil composition.

地质学家收集了崩积土样本以研究土壤成分。

5.The presence of colluvium can affect water drainage in agricultural fields.

在农业田地中，崩积土的存在会影响水的排水。

作文

In the study of geology and environmental science, understanding various types of soil and sediment is crucial. One such term that often comes up in these discussions is colluvium, which refers to loose, unconsolidated sediments that have accumulated at the base of a slope due to gravitational processes. The formation of colluvium typically occurs through the action of weathering and erosion, where materials are transported downhill by gravity, often aided by water or other natural forces. This type of sediment is significant because it can provide valuable insights into the geological history of an area, as well as its current ecological conditions.The composition of colluvium can vary widely, depending on the materials present in the surrounding environment. It may consist of a mixture of clay, silt, sand, and gravel, often containing organic matter as well. This variability makes colluvium an essential component in studying soil fertility and land use. For instance, regions with rich colluvium deposits may be more suitable for agriculture due to the nutrient-rich nature of the sediment. Conversely, areas with poorly developed colluvium might indicate erosion or other environmental issues that could affect land productivity.Moreover, the role of colluvium in landscape development cannot be overstated. It acts as a buffer against erosion, helping to stabilize slopes and prevent landslides. This is particularly important in mountainous regions, where steep terrains are prone to such geological hazards. Understanding the characteristics of colluvium can aid in land management practices and help mitigate risks associated with slope instability.In addition to its geological significance, colluvium also plays a vital role in ecosystems. The accumulation of organic material within colluvium supports diverse plant life and provides habitats for various organisms. The moisture retention properties of colluvium can create microhabitats that promote biodiversity, making it an integral part of many ecosystems. Conservation efforts often focus on preserving areas with healthy colluvium deposits, recognizing their importance in maintaining ecological balance.Furthermore, studying colluvium can have implications for climate change research. As weather patterns shift, the dynamics of erosion and sediment transport may change, affecting the distribution and composition of colluvium. By monitoring these changes, scientists can gain insights into how landscapes are evolving in response to climate change and what that means for future land use and conservation strategies.In conclusion, the term colluvium encompasses much more than just loose sediments at the base of a slope. Its study is intertwined with various fields, including geology, ecology, and environmental science. Recognizing the significance of colluvium helps us appreciate the complex interactions between the earth's physical processes and biological systems. As we continue to face environmental challenges, understanding and protecting areas with rich colluvium deposits will be crucial for sustainable land management and conservation efforts.

在地质学和环境科学的研究中，理解各种类型的土壤和沉积物至关重要。一个常常出现在这些讨论中的术语是colluvium，它指的是由于重力作用而在坡底积累的松散、未固结的沉积物。colluvium的形成通常通过风化和侵蚀的作用发生，材料通过重力向下运输，常常受到水或其他自然力量的帮助。这种类型的沉积物之所以重要，是因为它可以提供有关一个地区地质历史以及当前生态条件的宝贵见解。colluvium的组成可能因周围环境中存在的材料而有很大差异。它可能由粘土、粉砂、沙子和砾石的混合物组成，通常含有有机物。这种多样性使得colluvium成为研究土壤肥力和土地利用的重要组成部分。例如，富含colluvium沉积物的地区可能更适合农业，因为沉积物的营养丰富。相反，发育不良的colluvium可能表明侵蚀或其他环境问题，这可能影响土地的生产力。此外，colluvium在景观发展中的作用不可低估。它作为侵蚀的缓冲区，有助于稳定坡面并防止山体滑坡。这在山区尤为重要，因为陡峭的地形容易发生这种地质灾害。理解colluvium的特性可以帮助土地管理实践，并有助于减轻与坡面不稳定相关的风险。除了其地质重要性外，colluvium在生态系统中也发挥着至关重要的作用。colluvium中有机物的积累支持了多样的植物生命，并为各种生物提供栖息地。colluvium的保水特性可以创造微生境，促进生物多样性，使其成为许多生态系统不可或缺的一部分。保护工作通常侧重于保护健康的colluvium沉积区域，认识到它们在维持生态平衡中的重要性。此外，研究colluvium对气候变化研究也有重要意义。随着天气模式的变化，侵蚀和沉积物运输的动态可能会变化，从而影响colluvium的分布和组成。通过监测这些变化，科学家可以深入了解景观如何响应气候变化而演变，以及这对未来土地利用和保护策略意味着什么。总之，术语colluvium所涵盖的不仅仅是坡底的松散沉积物。它的研究与多个领域交织在一起，包括地质学、生态学和环境科学。认识到colluvium的重要性帮助我们欣赏地球物理过程与生物系统之间复杂的相互作用。随着我们继续面临环境挑战，理解和保护富含colluvium沉积物的地区将对可持续土地管理和保护工作至关重要。