pumping test

简明释义

扬水试验

英英释义

A pumping test is a method used to determine the hydraulic properties of an aquifer by measuring the change in water levels in wells during and after the extraction of water.

抽水试验是一种用于通过测量在抽水过程中及之后井中水位变化来确定含水层水力特性的方式。

例句

1.A pumping test is essential for determining the sustainable yield of a well.

进行抽水试验对确定井的可持续出水量至关重要。

2.We need to schedule a pumping test before finalizing the water supply agreement.

在最终确定供水协议之前,我们需要安排一次抽水试验

3.The engineer conducted a pumping test to assess the aquifer's capacity.

工程师进行了抽水试验以评估含水层的能力。

4.During the pumping test, we monitored the water level fluctuations in the well.

抽水试验期间,我们监测了井中水位的波动。

5.The results of the pumping test indicated a significant drop in water levels.

这次抽水试验的结果表明水位显著下降。

作文

In the field of hydrogeology, understanding groundwater resources is crucial for sustainable management. One of the primary methods used to assess these resources is the pumping test, which plays a vital role in determining the aquifer properties such as transmissivity and storativity. A pumping test involves extracting water from a well at a controlled rate and observing the resulting changes in water levels in both the pumped well and nearby observation wells over time. This method not only helps in evaluating the capacity of the aquifer but also provides insights into its recharge characteristics and hydraulic connectivity with other water bodies.The process begins with selecting an appropriate site where a well has been constructed. The well should be drilled into a geological formation known to contain groundwater. Once the well is ready, the pumping test is initiated by activating the pump, which draws water from the well. The rate of pumping is carefully monitored and maintained constant throughout the test. Simultaneously, water levels in the pumped well and the observation wells are recorded at regular intervals. This data collection is critical as it allows researchers to analyze the drawdown— the decrease in water level due to pumping.After the completion of the pumping test, the data collected is analyzed using various mathematical models. These models help in estimating key parameters of the aquifer. For instance, the Theis equation is commonly used to interpret the results of the test. By applying this equation, hydrogeologists can derive values for transmissivity, which indicates how easily water can move through the aquifer material, and storativity, which reflects the amount of water that can be stored or released by the aquifer.The significance of the pumping test extends beyond just academic interest; it has practical implications for water resource management. In regions facing water scarcity, understanding the yield of aquifers can inform decisions regarding water extraction rates and sustainable usage practices. Additionally, the results of a pumping test can guide the design of water supply systems, ensuring that they are capable of meeting the demands of the population without depleting the resource.Moreover, the pumping test can also reveal potential issues such as interference between wells, which can occur when multiple wells are in close proximity and their pumping activities affect each other. This information is vital for urban planning and development, as it helps in identifying optimal locations for new wells and preventing over-extraction from any single source.In conclusion, the pumping test is an essential tool in hydrogeology that aids in the assessment and management of groundwater resources. Through systematic data collection and analysis, it provides valuable insights into aquifer characteristics, which are crucial for sustainable water use. As global water challenges continue to rise, the importance of methods like the pumping test cannot be overstated, as they help ensure the responsible management of one of our most vital resources—freshwater.

在水文地质学领域,了解地下水资源对于可持续管理至关重要。评估这些资源的主要方法之一是抽水试验,它在确定含水层特性如透水性和贮水性方面发挥着重要作用。抽水试验涉及以控制速率从井中抽取水,并观察抽水井和附近观测井中水位随时间变化的结果。这种方法不仅有助于评估含水层的能力,还提供了有关其补给特性和与其他水体的水力连通性的见解。该过程始于选择一个合适的地点,在那里已经钻探了一口井。井应钻入已知含有地下水的地质层。井准备好后,抽水试验通过启动泵来进行,该泵以恒定速率从井中抽取水。在整个试验过程中,抽水的速率会被仔细监控并保持不变。同时,抽水井和观测井中的水位会在定期间隔内记录。这一数据收集至关重要,因为它使研究人员能够分析因抽水而导致的水位下降——即水位因抽水而降低。在抽水试验完成后,收集到的数据会使用各种数学模型进行分析。这些模型有助于估算含水层的关键参数。例如,Theis方程通常用于解释试验结果。通过应用此方程,水文地质学家可以推导出透水性值,这表明水在含水层材料中移动的容易程度,以及贮水性,这反映了含水层可以储存或释放的水量。抽水试验的重要性不仅仅限于学术兴趣;它对水资源管理有实际影响。在面临水资源短缺的地区,了解含水层的出水量可以为抽水速率和可持续使用实践的决策提供信息。此外,抽水试验的结果可以指导供水系统的设计,确保它们能够满足人口需求而不耗尽资源。此外,抽水试验还可以揭示潜在问题,例如井之间的干扰,这可能发生在多个井相互靠近且其抽水活动相互影响时。这些信息对于城市规划和发展至关重要,因为它有助于确定新井的最佳位置并防止任何单一水源的过度开采。总之,抽水试验是水文地质学中一种基本工具,有助于评估和管理地下水资源。通过系统的数据收集和分析,它提供了对含水层特性的重要见解,这对可持续用水至关重要。随着全球水资源挑战的不断增加,像抽水试验这样的技术的重要性不可低估,因为它们有助于确保我们最重要资源——淡水的负责任管理。

相关单词

pumping

pumping详解:怎么读、什么意思、用法