perched water table

简明释义

栖留地下水位

英英释义

例句

1.Geologists study the perched water table 悬浮水位 to understand groundwater flow patterns.

地质学家研究perched water table 悬浮水位以了解地下水流动模式。

2.Farmers need to be cautious of the perched water table 悬浮水位 when planning irrigation systems.

农民在规划灌溉系统时需要注意perched water table 悬浮水位。

3.A perched water table 悬浮水位 can lead to increased soil saturation and affect plant growth.

一个perched water table 悬浮水位可能导致土壤饱和度增加，影响植物生长。

4.The construction team found a perched water table 悬浮水位 during their excavation, which affected the foundation plans.

施工队在挖掘过程中发现了一个perched water table 悬浮水位，这影响了基础计划。

5.In areas with a perched water table 悬浮水位, drainage systems must be designed carefully to prevent flooding.

在有perched water table 悬浮水位的地区，排水系统必须仔细设计以防止洪水。

作文

The concept of a perched water table is crucial in understanding groundwater dynamics and the behavior of aquifers in various geological settings. A perched water table refers to a localized zone of saturation that occurs above the main water table, typically due to an impermeable layer of soil or rock that prevents downward movement of water. This phenomenon can significantly affect local ecosystems, agriculture, and water management practices.In many regions, the presence of a perched water table can be attributed to various factors, including the topography of the land, the type of soil, and climatic conditions. For instance, in hilly areas, rainwater may accumulate on a slope where a layer of clay or other impermeable material exists, creating a perched water table. This accumulation can lead to temporary ponds or wetlands, which are vital for certain wildlife species and plant communities.From an agricultural perspective, a perched water table can be both beneficial and detrimental. On one hand, it can provide crops with necessary moisture during dry spells, particularly in areas where the main water table is too deep to access through traditional irrigation methods. Farmers can utilize this shallow source of water to sustain their crops, especially during critical growth periods. On the other hand, if the perched water table becomes too high, it can lead to waterlogging, which can suffocate plant roots and reduce crop yields.Moreover, understanding the implications of a perched water table is essential for effective water management and environmental conservation. In urban areas, construction and development can disrupt natural water flow patterns, potentially altering the location and stability of perched water tables. This disruption can result in flooding or drought conditions, depending on how water is redirected or retained in the environment.Another important aspect of the perched water table is its role in groundwater recharge. When rainwater infiltrates the ground, it can either replenish the main water table or become trapped above an impermeable layer, forming a perched zone. The ability of the landscape to retain water influences not only the immediate area but also the broader hydrological cycle. Understanding these dynamics is critical for ensuring sustainable water use and protecting water quality.In conclusion, the perched water table is a significant feature of the hydrological landscape that has far-reaching implications for agriculture, ecology, and water management. By recognizing the conditions that lead to the formation of a perched water table, stakeholders can make informed decisions about land use and water resource management. As we face increasing challenges related to climate change and population growth, understanding such hydrological phenomena will be vital in ensuring a sustainable future for our water resources and ecosystems.

“悬浮水位”这一概念对于理解地下水动态以及各种地质环境中含水层的行为至关重要。悬浮水位指的是由于土壤或岩石的 impermeable 层阻止水向下移动而在主水位之上形成的局部饱和区。这一现象会显著影响当地生态系统、农业和水资源管理实践。在许多地区，悬浮水位的存在可以归因于多种因素，包括地形、土壤类型和气候条件。例如，在丘陵地区，降雨可能在坡面上积聚，那里存在一层粘土或其他不透水材料，从而形成悬浮水位。这种积累可能导致临时池塘或湿地的形成，这对某些野生动物物种和植物群落至关重要。从农业角度看，悬浮水位既可以是有利的，也可以是有害的。一方面，它可以在干旱时期为作物提供必要的水分，特别是在主水位过深而无法通过传统灌溉方法获取水源的地区。农民可以利用这一浅层水源来维持作物生长，尤其是在关键的生长阶段。另一方面，如果悬浮水位过高，可能导致水涝，从而窒息植物根系并减少作物产量。此外，理解悬浮水位的影响对于有效的水资源管理和环境保护至关重要。在城市地区，建设和开发可能会扰乱自然水流模式，潜在地改变悬浮水位的位置和稳定性。这种干扰可能导致洪水或干旱条件，具体取决于水如何在环境中被重新引导或保留。悬浮水位的另一个重要方面是其在地下水补给中的作用。当雨水渗透到地面时，它可以补充主水位或被困在不透水层之上，形成悬浮区。景观保持水分的能力不仅影响直接区域，还影响更广泛的水文循环。理解这些动态对于确保可持续用水和保护水质至关重要。总之，悬浮水位是水文景观中的一个重要特征，对农业、生态和水资源管理具有深远的影响。通过认识到导致悬浮水位形成的条件，各方利益相关者可以就土地使用和水资源管理做出明智的决策。随着我们面临与气候变化和人口增长相关的日益严峻的挑战，理解这种水文现象对于确保我们水资源和生态系统的可持续未来至关重要。