base sediment

简明释义

1. 碱性沉淀物; 2. 底部沉积物; 3. 底部沉淀;

英英释义

例句

1.The thickness of the base sediment 基础沉积物 layer can provide insights into historical climate changes.

<基沉积物> <基础沉积物>层的厚度可以提供有关历史气候变化的见解。

2.Samples of base sediment 基础沉积物 were sent to the lab for further analysis.

<基沉积物> <基础沉积物>的样本被送往实验室进行进一步分析。

3.During the drilling process, we encountered a layer of base sediment 基础沉积物 that indicated the age of the geological formation.

在钻探过程中，我们遇到了一层<基沉积物> <基础沉积物>，这表明了地质构造的年代。

4.The environmental study focused on how the base sediment 基础沉积物 affects the local ecosystem.

环境研究集中于<基沉积物> <基础沉积物>如何影响当地生态系统。

5.The geologist collected samples from the riverbed to analyze the base sediment 基础沉积物 for signs of pollution.

地质学家从河床收集样本，以分析<基沉积物> <基础沉积物>是否有污染迹象。

作文

In the study of geology and sedimentology, understanding the concept of base sediment is crucial for interpreting the Earth's history. Base sediment refers to the foundational layer of sediments that lie beneath the surface layers in a geological formation. This layer plays a significant role in determining the characteristics of the overlying sediments and can provide insights into past environmental conditions.The composition of base sediment varies widely depending on the geological processes that have occurred in a particular area. For instance, in river deltas, the base sediment may consist of fine-grained clays and silts that have settled over millennia. In contrast, coastal regions might have base sediment composed of sands and gravels that were deposited by wave action and currents. Understanding these variations is essential for geologists who seek to reconstruct ancient environments and understand how they have changed over time.Moreover, base sediment serves as an important reservoir for natural resources. Many fossil fuels, such as oil and natural gas, are found in sedimentary basins where the base sediment has been subjected to heat and pressure over millions of years. By studying the properties of base sediment, geologists can identify potential locations for resource extraction and assess the viability of drilling projects.In addition to its economic significance, base sediment also plays a vital role in ecological systems. It acts as a habitat for various organisms, including bacteria, worms, and other benthic creatures that thrive in sedimentary environments. These organisms contribute to nutrient cycling and energy flow within ecosystems, illustrating the interconnectedness of geological and biological processes.When examining sediment cores, scientists often analyze the base sediment to gather information about historical climate changes. The layers of sediment can reveal evidence of past events, such as volcanic eruptions, glacial movements, or major flooding incidents. By dating these layers, researchers can construct timelines that help us understand how the Earth's climate has evolved and what factors have influenced these changes.Furthermore, the study of base sediment is not limited to Earth alone; it can also extend to planetary geology. For example, missions to Mars and other celestial bodies often involve analyzing the base sediment of their surfaces to gain insights into their geological history and potential for past life. The similarities and differences in base sediment across planets can help scientists understand the processes that shape our solar system.In conclusion, the concept of base sediment is integral to various fields of study, including geology, ecology, and planetary science. Its role as a foundational layer of sediments influences both the physical landscape and the biological communities that depend on it. As we continue to explore and study our planet and beyond, understanding base sediment will remain a key factor in unlocking the mysteries of our Earth's history and the processes that govern it.

在地质学和沉积学的研究中，理解“基底沉积物”这一概念对于解读地球历史至关重要。“基底沉积物”是指位于地质构造表面层之下的沉积物基础层。该层对上覆沉积物的特征有重要影响，并且可以提供过去环境条件的见解。“基底沉积物”的组成因特定区域发生的地质过程而异。例如，在河口三角洲，“基底沉积物”可能由数千年来沉积的细颗粒粘土和淤泥组成。相反，沿海地区的“基底沉积物”可能由波浪和水流沉积的沙子和砾石组成。理解这些变化对寻求重建古代环境及了解其如何随时间变化的地质学家至关重要。此外，“基底沉积物”也是自然资源的重要储存库。许多化石燃料，如石油和天然气，存在于沉积盆地中，那里的“基底沉积物”经过数百万年的热和压力作用而形成。通过研究“基底沉积物”的特性，地质学家可以识别潜在的资源开采地点，并评估钻探项目的可行性。除了经济意义外，“基底沉积物”在生态系统中也发挥着重要作用。它为各种生物提供栖息地，包括细菌、蠕虫和其他生活在沉积环境中的底栖生物。这些生物有助于营养循环和能量流动，说明了地质和生物过程之间的相互联系。在检查沉积物核心时，科学家们常常分析“基底沉积物”以收集关于历史气候变化的信息。沉积层可以揭示过去事件的证据，例如火山喷发、冰川运动或重大洪水事件。通过对这些层进行年代测定，研究人员可以构建时间线，以帮助我们理解地球气候如何演变以及哪些因素影响了这些变化。此外，“基底沉积物”的研究不仅限于地球；它还可以扩展到行星地质。例如，对火星和其他天体的探测任务通常涉及分析它们表面的“基底沉积物”以获得关于其地质历史和过去生命潜力的见解。不同星球之间“基底沉积物”的相似性和差异可以帮助科学家理解塑造我们太阳系的过程。总之，“基底沉积物”的概念在地质学、生态学和行星科学等多个研究领域中都是不可或缺的。作为沉积物基础层的角色影响着物理景观和依赖于它的生物群落。随着我们继续探索和研究我们的星球及其之外，理解“基底沉积物”将继续成为揭示地球历史及其治理过程的关键因素。