stream cross section

简明释义

河段面

英英释义

例句

1.The stream cross section data helped in constructing a detailed model of the ecosystem.

该水流横截面数据有助于构建生态系统的详细模型。

2.Understanding the stream cross section is crucial for effective flood management.

理解水流横截面对有效的洪水管理至关重要。

3.They used a laser scanner to capture the stream cross section for their environmental study.

他们使用激光扫描仪捕捉水流横截面用于环境研究。

4.Engineers designed the bridge based on the stream cross section measurements.

工程师根据水流横截面的测量结果设计了桥梁。

5.The hydrologist measured the stream cross section to analyze water flow in the river.

水文学家测量了水流横截面以分析河流中的水流。

作文

Understanding the concept of a stream cross section is essential for various fields, including hydrology, environmental science, and civil engineering. A stream cross section refers to a vertical slice of a stream or river, illustrating its width, depth, and shape at a specific location. This representation is crucial for analyzing the flow of water, sediment transport, and the overall health of aquatic ecosystems. By examining the stream cross section, scientists and engineers can gain insights into how water interacts with its environment, which is vital for effective water management and conservation strategies.To create a stream cross section, researchers typically measure the dimensions of the stream at predetermined intervals. These measurements include the width of the stream, the depth at various points, and the slope of the banks. Once this data is collected, it can be plotted on a graph to visualize the stream cross section. This graphical representation allows for a better understanding of the stream's morphology, which can indicate areas of erosion, deposition, and habitat suitability for various aquatic species.In hydrology, the stream cross section plays a critical role in calculating the discharge, or the volume of water flowing through the stream per unit time. By applying the formula Q = A × V, where Q is the discharge, A is the area of the stream cross section, and V is the velocity of the water, researchers can estimate how much water is moving through the stream. This information is invaluable for flood forecasting, water resource management, and designing infrastructure such as bridges and dams.Moreover, the stream cross section is significant in environmental studies. It helps assess the impacts of human activities, such as urbanization and agriculture, on water bodies. For instance, changes in the stream cross section due to construction can lead to altered flow patterns, increased erosion, and loss of habitat for fish and other wildlife. Environmental scientists use this information to advocate for sustainable practices that protect water quality and aquatic habitats.Furthermore, the stream cross section can also be used in educational settings to teach students about the dynamics of rivers and streams. By engaging students in hands-on activities, such as measuring local streams and creating their own stream cross section diagrams, educators can foster a deeper understanding of hydrological processes and the importance of preserving our natural water resources.In conclusion, the stream cross section is a fundamental concept that encompasses various scientific and practical applications. Its importance cannot be overstated, as it aids in understanding water flow dynamics, assessing environmental impacts, and educating future generations about the significance of water conservation. By mastering the concept of the stream cross section, individuals can contribute to more informed decisions regarding water management and environmental stewardship, ultimately leading to healthier ecosystems and communities.

理解水流横截面的概念对于水文学、环境科学和土木工程等多个领域至关重要。水流横截面是指一条溪流或河流的垂直切片，展示了在特定位置的宽度、深度和形状。这种表示对分析水流、沉积物运输以及水生生态系统的整体健康至关重要。通过检查水流横截面，科学家和工程师可以深入了解水如何与其环境相互作用，这对于有效的水资源管理和保护策略至关重要。为了创建水流横截面，研究人员通常在预定间隔内测量溪流的尺寸。这些测量包括溪流的宽度、各点的深度以及河岸的坡度。一旦收集到这些数据，就可以将其绘制在图表上，以可视化水流横截面。这种图形表示使人们更好地理解溪流的形态，这可以指示侵蚀、沉积和各种水生物种适宜栖息地的区域。在水文学中，水流横截面在计算流量（即单位时间内流经溪流的水量）方面起着关键作用。通过应用公式Q = A × V，其中Q是流量，A是水流横截面的面积，V是水的速度，研究人员可以估算流经溪流的水量。这些信息对于洪水预报、水资源管理以及桥梁和大坝等基础设施的设计至关重要。此外，水流横截面在环境研究中也具有重要意义。它有助于评估人类活动（如城市化和农业）对水体的影响。例如，由于建设造成的水流横截面变化可能导致流动模式改变、侵蚀增加以及鱼类和其他野生动物栖息地的丧失。环境科学家利用这些信息倡导可持续实践，以保护水质和水生栖息地。此外，水流横截面还可以在教育环境中用于教授学生有关河流和溪流动态的知识。通过让学生参与实际活动，如测量当地溪流并创建自己的水流横截面图，教育工作者可以培养学生对水文过程及保护自然水资源重要性的更深刻理解。总之，水流横截面是一个基本概念，涵盖了多种科学和实际应用。它的重要性不容忽视，因为它有助于理解水流动态、评估环境影响并教育未来几代人关于水资源保护的重要性。通过掌握水流横截面的概念，个人可以为更明智的水资源管理和环境保护决策做出贡献，最终导致更健康的生态系统和社区。