active sediment

简明释义

活性沉积物;

英英释义

例句

1.During the storm, the active sediment 活跃沉积物 was washed into the ocean, affecting marine life.

在暴风雨期间，活跃沉积物被冲入海洋，影响了海洋生物。

2.Scientists studied the active sediment 活跃沉积物 to understand nutrient cycling in the lake.

科学家研究了活跃沉积物以了解湖泊中的营养循环。

3.The construction site had to be cleared of active sediment 活跃沉积物 before any foundation work could begin.

在开始任何基础工作之前，施工现场必须清除活跃沉积物。

4.The river's flow disturbed the active sediment 活跃沉积物, causing changes in the ecosystem.

河流的流动扰动了活跃沉积物，导致生态系统发生变化。

5.Environmentalists are concerned about the active sediment 活跃沉积物 levels in the river due to pollution.

环保人士对由于污染而导致河流中活跃沉积物的水平表示担忧。

作文

The study of geological processes often reveals the intricate dynamics of sedimentation. Among the various types of sediments, active sediment (活跃沉积物) plays a crucial role in shaping our landscapes and ecosystems. Active sediment refers to the material that is currently being transported or influenced by natural forces such as water flow, wind, or glacial movement. This type of sediment is essential for understanding how environments evolve over time and how they respond to both natural and anthropogenic changes.In river systems, active sediment (活跃沉积物) is constantly in motion. When it rains, runoff carries soil and organic matter into streams and rivers, where it becomes part of the active sediment load. The flow of water can erode banks, transporting sediment downstream. This process not only shapes the river’s path but also affects the habitats of aquatic organisms. For instance, fish rely on certain types of sediments to lay their eggs, and changes in sediment composition can have significant impacts on their reproductive success.Similarly, coastal areas experience the effects of active sediment (活跃沉积物) transport due to waves and tides. Beaches are dynamic environments where sediment is continuously moved and reshaped. The balance between erosion and deposition is vital for maintaining the health of these ecosystems. If too much sediment is lost due to human activities, such as construction or dredging, it can lead to beach erosion and loss of habitat for many species.Furthermore, active sediment (活跃沉积物) is also important in the context of climate change. As glaciers melt, they release sediment that has been trapped for centuries. This newly released sediment can alter the characteristics of rivers and lakes, impacting water quality and biodiversity. Additionally, as sea levels rise, the interaction between land and water changes, leading to shifts in sediment dynamics in coastal regions.Understanding active sediment (活跃沉积物) is not just an academic exercise; it has practical implications for environmental management and conservation. By studying sediment transport and deposition patterns, scientists can better predict the impacts of human activities on natural systems. For example, effective management of agricultural practices can minimize soil erosion and maintain healthy sediment levels in nearby waterways.In conclusion, active sediment (活跃沉积物) is a fundamental component of our planet's geological and ecological systems. Its movement and transformation influence everything from river morphology to coastal resilience. As we face the challenges of climate change and environmental degradation, understanding the role of active sediment will be increasingly important. It reminds us of the interconnectedness of natural processes and the need for sustainable practices that protect our delicate ecosystems.