Closed-form analytical solutions incorporating pumping and tidal effects in various coastal aquifer systems

Closed-form analytical solutions incorporating pumping and tidal effects in various coastal aquifer systems
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结合各种沿海含水层系统中的抽水和潮汐效应的封闭式分析解决方案

DOI:
10.1016/j.advwatres.2014.03.003
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发表时间:
2014-07
影响因子:
4.7
通讯作者:
Xiaowei Jiang
Xiaowei Jiang
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Hailong Li;Li Wan;Xusheng Wang;Xiaowei Jiang

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受潮汐影响的沿海含水层中,抽水井很常见。在此,我们给出了沿海含水层系统中恒速抽水时地下水位或水头变化的解析解,该系统包括无承压含水层、承压含水层和它们之间的半透水层。无承压含水层终止于海岸线(或河岸),其他两层延伸到潮水(海洋或潮汐河流)下一定距离。给出了11种不同情况的合理组合的解析解,这些情况包括:l值(零值、有限值和无限值)、中层渗透率(半透水和不透水)、含水层海底末端边界条件(狄里克莱特描述与海水的直接联系和不流动描述不透水封顶的存在)以及潮汐水体(海和潮汐河流)。文中还给出了拟合现场观测和参数估计的应用实例。
Pumping wells are common in coastal aquifers affected by tides. Here we present analytical solutions of groundwater table or head variations during a constant rate pumping from a single, fully-penetrating well in coastal aquifer systems comprising an unconfined aquifer, a confined aquifer and semi-permeable layer between them. The unconfined aquifer terminates at the coastline (or river bank) and the other two layers extend under tidal water (sea or tidal river) for a certain distanceL. Analytical solutions are derived for 11 reasonable combinations of different situations of theL-value (zero, finite, and infinite), of the middle layer’s permeability (semi-permeable and impermeable), of the boundary condition at the aquifer’s submarine terminal (Dirichlet describing direct connection with seawater and no-flow describing the existence of an impermeable capping), and of the tidal water body (sea and tidal river). Solutions are discussed with application examples in fitting field observations and parameter estimations.
DOI: 10.1061/(asce)0733-9429(1996)122:2(104
发表时间: 1996-02
影响因子: 2.4
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