meander ratio

简明释义

弯曲系数

英英释义

例句

1.Researchers found that the meander ratio 曲流比 of the Mississippi River has changed significantly over the last century.

研究人员发现，密西西比河的meander ratio 曲流比 在过去一个世纪中发生了显著变化。

2.Calculating the meander ratio 曲流比 is essential for understanding sediment transport in meandering rivers.

计算meander ratio 曲流比 对于理解曲流河中的沉积物运输至关重要。

3.A high meander ratio 曲流比 can suggest that the river has been influenced by geological factors over time.

高meander ratio 曲流比 可能表明河流在时间的推移中受到了地质因素的影响。

4.In urban planning, understanding the meander ratio 曲流比 of local rivers can help in flood management strategies.

在城市规划中，了解当地河流的meander ratio 曲流比 可以帮助制定洪水管理策略。

5.The river's meander ratio 曲流比 indicates how winding its path is compared to a straight line.

这条河的meander ratio 曲流比 表明它的路径与直线相比有多弯曲。

作文

The concept of the meander ratio refers to the measurement that describes the degree of curvature in a river or stream. This ratio is crucial for understanding the dynamics of river systems, especially in terms of erosion and sediment deposition. A river's path is rarely straight; instead, it often winds and curves, creating various ecological niches and influencing the surrounding landscape. The meander ratio is calculated by comparing the length of the river’s actual path to the straight-line distance between its start and end points. This simple mathematical expression reveals much about the river's behavior and its interaction with the environment.In many geographical studies, the meander ratio serves as an essential tool for assessing river health and stability. A higher ratio indicates a more sinuous river, which can suggest that the river has experienced significant geological changes over time or that it is in a dynamic state of evolution. Conversely, a lower ratio may imply that the river is relatively straight, potentially indicating human intervention or geological constraints that limit its natural meandering.Understanding the meander ratio also has implications for flood management and environmental conservation. Rivers with high meander ratios often have wider floodplains and more diverse habitats, making them crucial for wildlife. These areas can absorb excess rainwater, reducing the risk of flooding downstream. On the other hand, rivers that are artificially straightened tend to have reduced ecological value and increased flood risks because they can carry water more quickly and efficiently to downstream areas.Moreover, the meander ratio can provide insights into the historical changes in a river’s course. By studying old maps and sediment layers, researchers can reconstruct past river paths and their meandering characteristics. This information is invaluable for predicting how rivers might behave in the future, particularly as climate change alters precipitation patterns and increases the frequency of extreme weather events.In conclusion, the meander ratio is not just a statistical measure; it is a vital indicator of the health and stability of river ecosystems. It helps scientists and environmentalists understand the complex interactions between water flow, sediment transport, and habitat diversity. As we face increasing environmental challenges, the importance of understanding rivers and their behaviors, as indicated by the meander ratio, will only grow. Protecting these waterways and their natural meandering processes is essential for maintaining biodiversity and ensuring the resilience of our landscapes against climate change.

“meander ratio”指的是描述河流或溪流弯曲程度的测量指标。这个比率对于理解河流系统的动态至关重要，特别是在侵蚀和沉积方面。河流的路径很少是直线的；相反，它通常蜿蜒曲折，创造出各种生态位，并影响周围的景观。“meander ratio”的计算方法是将河流实际路径的长度与其起点和终点之间的直线距离进行比较。这一简单的数学表达揭示了河流行为及其与环境相互作用的许多信息。在许多地理研究中，“meander ratio”作为评估河流健康和稳定性的基本工具。较高的比率表明河流更为弯曲，这可能表明河流经历了显著的地质变化或处于动态演变状态。相反，较低的比率可能意味着河流相对笔直，这可能暗示着人为干预或地质限制限制了其自然蜿蜒。理解“meander ratio”也对洪水管理和环境保护具有重要意义。高“meander ratio”的河流通常拥有更宽广的洪泛区和更为多样的栖息地，使其对野生动物至关重要。这些地区可以吸收过量的雨水，从而减少下游洪水的风险。另一方面，被人为直化的河流往往生态价值降低，洪水风险增加，因为它们可以更快、更有效地将水流向下游地区。此外，“meander ratio”还可以提供河流历史变化的见解。通过研究旧地图和沉积层，研究人员可以重建过去河流的路径及其蜿蜒特征。这些信息对于预测河流未来的行为尤为重要，尤其是随着气候变化改变降水模式并增加极端天气事件的频率。总之，“meander ratio”不仅仅是一个统计测量，它是河流生态系统健康和稳定的重要指标。它帮助科学家和环保人士理解水流、沉积物运输和栖息地多样性之间的复杂相互作用。随着我们面临越来越多的环境挑战，理解河流及其行为的重要性，正如“meander ratio”所指示的，将会不断增长。保护这些水道及其自然蜿蜒过程对维护生物多样性和确保我们的景观抵御气候变化的韧性至关重要。