run off coefficient

简明释义

瘤系数

英英释义

例句

1.To manage stormwater effectively, it's crucial to understand the run off coefficient of different land uses.

为了有效管理雨水，理解不同土地用途的径流系数至关重要。

2.The run off coefficient for agricultural land is typically lower than that of developed areas, promoting better water retention.

农业用地的径流系数通常低于开发区，有助于更好的水分保持。

3.In urban areas, the run off coefficient tends to be higher due to impervious surfaces like roads and buildings.

在城市地区，由于路面和建筑物等不透水表面的存在，径流系数往往较高。

4.A higher run off coefficient indicates that more water is being lost as runoff rather than being absorbed by the soil.

更高的径流系数表明更多的水作为径流流失，而不是被土壤吸收。

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

工程师计算了径流系数以确定降雨后表面会流出多少水。

作文

Understanding the concept of the run off coefficient is essential for anyone involved in hydrology, environmental science, or agricultural management. The run off coefficient is a numerical value that represents the proportion of precipitation that becomes surface runoff. This coefficient plays a critical role in predicting water flow in rivers and streams, as well as in designing effective drainage systems to prevent flooding.To better grasp the significance of the run off coefficient, it is important to consider the factors that influence it. Various elements such as land use, soil type, vegetation cover, and rainfall intensity can all affect how much water will run off the surface rather than being absorbed into the ground. For instance, urban areas with impervious surfaces like concrete and asphalt typically have a higher run off coefficient compared to rural areas with natural vegetation. This means that more rainfall will contribute to runoff in cities, leading to potential flooding and water quality issues.Moreover, understanding the run off coefficient is crucial for managing water resources effectively. In agricultural settings, farmers need to know how much rainwater will be available for crop irrigation versus how much will run off. A high run off coefficient may indicate that less water is available for crops, prompting farmers to adopt strategies such as rainwater harvesting to maximize their water use efficiency. Furthermore, the run off coefficient is also significant when it comes to environmental conservation. By analyzing this coefficient, scientists can assess the impact of land development on local ecosystems. For example, increased runoff can lead to soil erosion, sedimentation in waterways, and degradation of aquatic habitats. Therefore, understanding the run off coefficient can help policymakers and conservationists develop strategies to mitigate these adverse effects.In addition to its practical applications, the run off coefficient serves as an important tool in hydrological modeling. Engineers and hydrologists use this coefficient to create models that simulate water movement across different landscapes. These models can predict how changes in land use, such as deforestation or urbanization, might alter the runoff patterns and consequently affect flood risks and water availability.In conclusion, the run off coefficient is a vital concept in the study of hydrology and environmental management. It not only helps in understanding the dynamics of water movement but also assists in making informed decisions regarding land use and water resource management. By recognizing the factors that influence the run off coefficient, stakeholders can better prepare for and mitigate the impacts of surface runoff on both human activities and natural ecosystems. As we face increasing challenges related to climate change and urbanization, the importance of accurately measuring and applying the run off coefficient cannot be overstated. It stands as a key indicator of our ability to manage water resources sustainably and protect our environment.

理解run off coefficient的概念对于任何参与水文学、环境科学或农业管理的人来说都是至关重要的。run off coefficient是一个数值，表示降水中转化为地表径流的比例。这个系数在预测河流和溪流中的水流量以及设计有效的排水系统以防止洪水方面起着关键作用。为了更好地理解run off coefficient的重要性，考虑影响它的因素是很重要的。土地利用、土壤类型、植被覆盖和降雨强度等各种因素都会影响多少水会在地表径流而不是被土壤吸收。例如，城市地区由于混凝土和沥青等不透水表面，通常具有比自然植被覆盖的乡村地区更高的run off coefficient。这意味着在城市中，更多的降雨将导致径流，从而可能导致洪水和水质问题。此外，理解run off coefficient对于有效管理水资源至关重要。在农业环境中，农民需要知道有多少雨水可用于作物灌溉，而不是有多少会径流。较高的run off coefficient可能表明可用于作物的水量较少，这促使农民采取雨水收集等策略，以最大化水的使用效率。此外，run off coefficient在环境保护方面也具有重要意义。通过分析这一系数，科学家可以评估土地开发对当地生态系统的影响。例如，增加的径流可能导致土壤侵蚀、河道沉积和水生栖息地退化。因此，理解run off coefficient可以帮助政策制定者和保护主义者制定减轻这些不利影响的策略。除了其实际应用外，run off coefficient还是水文模型中的一个重要工具。工程师和水文学家使用该系数创建模拟不同景观中水运动的模型。这些模型可以预测土地使用变化（如森林砍伐或城市化）如何改变径流模式，并因此影响洪水风险和水资源可用性。总之，run off coefficient是水文学和环境管理研究中的一个重要概念。它不仅有助于理解水运动的动态，而且还帮助做出有关土地使用和水资源管理的明智决策。通过认识影响run off coefficient的因素，利益相关者可以更好地为应对地表径流对人类活动和自然生态系统的影响做好准备和缓解措施。随着我们面临与气候变化和城市化相关的日益严峻的挑战，准确测量和应用run off coefficient的重要性不可低估。它是我们可持续管理水资源和保护环境能力的关键指标。