infiltration coefficient

简明释义

渗滤系数

英英释义

The infiltration coefficient is a measure of the rate at which water enters into soil or porous materials, expressed as the volume of water per unit area per unit time.

渗透系数是衡量水分进入土壤或多孔材料的速率,通常以单位面积单位时间内的水体积表示。

例句

1.Engineers often measure the infiltration coefficient to design effective drainage systems.

工程师通常测量入渗系数以设计有效的排水系统。

2.The infiltration coefficient varies depending on soil type and moisture content.

土壤类型和含水量会影响入渗系数

3.Understanding the infiltration coefficient helps in managing stormwater runoff.

理解入渗系数有助于管理暴雨水径流。

4.A high infiltration coefficient indicates that the soil can absorb water rapidly.

入渗系数表明土壤可以迅速吸收水分。

5.The soil's infiltration coefficient is crucial for determining how quickly water will permeate the ground.

土壤的入渗系数对于确定水分渗透地面的速度至关重要。

作文

In the study of hydrology and environmental science, the term infiltration coefficient refers to a crucial parameter that quantifies the rate at which water enters the soil from the surface. Understanding this coefficient is essential for various applications, including irrigation management, flood control, and groundwater recharge assessments. The infiltration coefficient is typically expressed in units of velocity, such as centimeters per hour (cm/hr), and varies depending on factors such as soil type, moisture content, and land cover. For instance, sandy soils generally exhibit a higher infiltration coefficient compared to clayey soils due to their larger particle size and greater pore spaces. This means that water can penetrate sandy soils more quickly, making them suitable for certain agricultural practices. Conversely, clay soils, with their fine particles and compact structure, tend to have a lower infiltration coefficient, which can lead to surface runoff and increased erosion during heavy rainfall events.The infiltration coefficient is not only influenced by the physical properties of the soil but also by vegetation cover. Areas with dense vegetation typically have higher infiltration rates because plant roots create channels in the soil, enhancing its ability to absorb water. Additionally, organic matter within the soil can improve its structure, further increasing the infiltration coefficient. This relationship underscores the importance of maintaining healthy ecosystems to promote effective water management practices.In urban areas, the infiltration coefficient can be significantly altered due to human activities. Paved surfaces such as roads and parking lots reduce the natural infiltration capacity of the soil, leading to increased stormwater runoff. This phenomenon can result in flooding and pollution of local waterways. To mitigate these issues, urban planners are increasingly incorporating green infrastructure solutions, such as permeable pavements and rain gardens, which aim to restore the natural infiltration coefficient of urban landscapes.Moreover, understanding the infiltration coefficient is vital for predicting how contaminants may spread through the soil and into groundwater systems. When pollutants are introduced into the environment, the rate of their infiltration can determine the extent of their impact on water quality. Therefore, assessing the infiltration coefficient is a key step in environmental risk assessments and remediation strategies.In conclusion, the infiltration coefficient is a fundamental concept in hydrology that influences water movement in the soil. Its implications extend beyond agriculture to urban planning and environmental protection. By studying and managing the infiltration coefficient, we can enhance our water resource management practices and promote sustainable land use strategies that benefit both human communities and the natural environment.

在水文学和环境科学研究中,术语渗透系数指的是一个关键参数,它量化了水从表面进入土壤的速率。理解这个系数对于各种应用至关重要,包括灌溉管理、洪水控制和地下水补给评估。渗透系数通常以速度单位表示,如每小时厘米(cm/hr),并且因土壤类型、湿度和土地覆盖等因素而异。例如,沙质土壤的渗透系数通常比粘土土壤高,因为它们的颗粒较大,孔隙空间更大。这意味着水可以更快地渗透沙质土壤,使其适合某些农业实践。相反,粘土土壤由于其细小颗粒和致密结构,往往具有较低的渗透系数,这可能导致在强降雨事件中出现地表径流和加剧侵蚀。渗透系数不仅受土壤物理特性的影响,还受到植被覆盖的影响。植被茂密的地区通常具有更高的渗透率,因为植物根系在土壤中形成通道,增强了其吸收水分的能力。此外,土壤中的有机物质可以改善其结构,进一步提高渗透系数。这种关系强调了维护健康生态系统以促进有效水管理实践的重要性。在城市地区,由于人类活动的影响,渗透系数可能会显著改变。铺砌表面,如道路和停车场,减少了土壤的自然渗透能力,导致暴雨径流增加。这种现象可能导致洪水和当地水道的污染。为了减轻这些问题,城市规划者越来越多地采用绿色基础设施解决方案,如透水铺装和雨水花园,旨在恢复城市景观的自然渗透系数。此外,理解渗透系数对预测污染物如何在土壤中传播以及进入地下水系统至关重要。当污染物被引入环境时,它们的渗透速率可以决定其对水质的影响程度。因此,评估渗透系数是环境风险评估和修复策略中的关键步骤。总之,渗透系数是水文学中的基本概念,影响着水在土壤中的运动。它的影响超越了农业,涉及城市规划和环境保护。通过研究和管理渗透系数,我们可以增强水资源管理实践,促进可持续土地使用策略,从而使人类社区和自然环境都受益。