run off coefficient

简明释义

径恋数

英英释义

例句

1.To mitigate flooding, engineers must consider the run off coefficient when designing new developments.

为了减轻洪水，工程师在设计新开发项目时必须考虑径流系数。

2.A higher run off coefficient indicates that more water will run off rather than infiltrate into the ground.

较高的径流系数意味着更多的水会流走，而不是渗入地下。

3.In urban planning, understanding the run off coefficient is crucial for effective drainage design.

在城市规划中，理解径流系数对有效排水设计至关重要。

4.The run off coefficient varies depending on the type of surface, such as asphalt or grass.

不同类型的表面（如沥青或草地）会导致径流系数的变化。

5.The engineer calculated the run off coefficient to determine how much water would flow from the surface during a storm.

工程师计算了径流系数以确定在暴风雨期间会有多少水从地面流出。

作文

Water management is a crucial aspect of environmental science, especially in the context of agriculture and urban planning. One of the key concepts that professionals in these fields need to understand is the run off coefficient, which refers to the ratio of the amount of water that runs off a surface compared to the total amount of precipitation that falls on that surface. Understanding this coefficient is vital for effective water management strategies, as it helps predict how much water will contribute to surface runoff, which can lead to flooding, soil erosion, and other environmental issues.The run off coefficient varies depending on several factors, including land use, soil type, and vegetation cover. For instance, urban areas with impervious surfaces such as concrete and asphalt tend to have higher run off coefficients because these materials do not allow water to infiltrate into the ground. In contrast, natural landscapes like forests or grasslands usually exhibit lower run off coefficients since the vegetation helps absorb rainfall and reduce surface runoff.In agricultural settings, understanding the run off coefficient can help farmers make informed decisions about land management practices. By implementing measures such as contour farming, terracing, or planting cover crops, farmers can effectively reduce the run off coefficient of their fields. This not only conserves water but also minimizes soil erosion and nutrient loss, leading to healthier crops and sustainable farming practices.Moreover, the run off coefficient is essential for urban planners when designing stormwater management systems. By calculating the expected runoff from different areas, planners can design adequate drainage systems to manage excess water during heavy rainfalls. This is particularly important in cities where large amounts of impermeable surfaces can lead to significant flooding if not properly managed.In conclusion, the run off coefficient is a critical metric in both environmental science and practical applications such as agriculture and urban planning. By understanding and utilizing this concept, professionals can better manage water resources, mitigate environmental issues, and promote sustainable practices. As we face increasing challenges related to climate change and urbanization, the importance of accurately assessing the run off coefficient cannot be overstated. It serves as a valuable tool for ensuring that our water management strategies are effective and environmentally sound.

水管理是环境科学的一个关键方面，特别是在农业和城市规划的背景下。专业人士需要理解的一个关键概念是径流系数，它指的是从某个表面流失的水量与落在该表面上的总降水量之间的比率。理解这个系数对于有效的水管理策略至关重要，因为它有助于预测多少水将导致地表径流，这可能导致洪水、土壤侵蚀和其他环境问题。径流系数因多个因素而异，包括土地利用、土壤类型和植被覆盖。例如，城市地区由于混凝土和沥青等不透水表面的存在，往往具有较高的径流系数，因为这些材料不允许水渗入地下。相反，自然景观如森林或草原通常表现出较低的径流系数，因为植被有助于吸收降雨并减少地表径流。在农业环境中，理解径流系数可以帮助农民做出明智的土地管理决策。通过实施如等高耕作、梯田或种植覆盖作物等措施，农民可以有效降低他们田地的径流系数。这不仅节约了水资源，还最小化了土壤侵蚀和养分流失，从而导致更健康的作物和可持续的农业实践。此外，径流系数对城市规划者在设计雨水管理系统时也至关重要。通过计算不同区域的预期径流，规划者可以设计足够的排水系统以在强降雨期间管理多余的水。这在城市中尤为重要，因为大量的不透水表面如果没有得到妥善管理，可能会导致严重的洪水。总之，径流系数是环境科学以及农业和城市规划等实际应用中的一个关键指标。通过理解和利用这一概念，专业人士可以更好地管理水资源，减轻环境问题，并促进可持续实践。在我们面临与气候变化和城市化相关的日益严峻的挑战时，准确评估径流系数的重要性不容小觑。它作为确保我们的水管理策略有效且符合环境要求的宝贵工具。