本文把影响地下水位的因素集作为网络的输入向量，地下水位本身作为网络的输出向量，构成了预测地下水位的BP网络模型。
In the paper, a BP network in which the factors to effect groundwater levels are set as input neurons and the groundwater level is set as output neuron, was established to forecast groundwater level.
越流含水层系统在我国分布十分广泛，但国内有关越流含水层系统的地下水污染模型尚未见报导。
Leaky aquifer systems exist extensively all over our country, but there is not yet a model for groundwater pollution in a leaky aquifer system reported.
详细介绍了用于研究地下水浮力作用机理的模型试验整体构思、试验装置设计及实施过程。
This article introduces the whole idea, tester design and actualization process of the model experiment for uplift action mechanism of underground water.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
地下水水质模型是由水流问题和水动力弥散问题耦合而成。
Groundwater quality model is composed of problems of groundwater flow and dynamic dispersion.
提出了一个越流含水层系统考虑弱透水层吸附作用的地下水污染数学模型。
A mathematical model for groundwater pollution in a leaky aquifer system, which involves the adsorption of semipervious layer, is presented.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
阐述了人工神经网络基本原理，介绍了BP网络的地下水水质评价模型。
BP network model of groundwater quality assessment based on the calculation of BP neural network is presented.
水文地质概念模型是地下水模拟与水资源评价的基础。
A hydrogeological conceptual model is the basis of groundwater numerical modeling and groundwater resource assessments.
对具有多层含水结构的哈密盆地地下水系统，提出了一类考虑弱透水层弹性释水作用的地下水流耦合数学模型。
A coupled mathematical model of groundwater in which the elastic yield of aquitard is considered in Hami basin is presented for its multi layer structural groundwater system.
据此，采用系统分析理论和方法，建立地表水和地下水系统分配优化模型。
The optimal models of surface and ground water system were set up based on the theory and method of water resource systems.
基于BP网络模型，对地下水水位变化规律进行了定量预测。
Groundwater level variation has been quantitatively predicted based on the BP neural network model.
在岩体渗透性分区的基础上，利用三维有限差分地下水流模型软件，对水库蓄水后左岸帷幕四种不同建造工况进行了渗漏量计算。
At last, the seepage amount of rock masses is estimated under four different conditions of seepage control measures with the help of a software for groundwater analysis.
本文也探讨了地下水资源多目标管理数学模型的研究方向。
The trend of groundwater resources multi-objective management model is also discussed in this paper.
通过历史资料的验证，表明本文所建立的水均衡模型对于地下水位变动的预测是可靠的，而且简单可行。
It is proved by the verification of historical data that the water balance model is credible and easily available for the forecast of groundwater table variation.
本文首先分析了矿山开采对地下水资源的影响，利用人工神经网络模型预测了矿区地下水位的变化。
At first, This text analyses that mine exploiting impacts on groundwater resources, utilizes the artificial neural network model to predict change of the water level in mine area.
对典型区域—甘井子区采用人工神经网络模型法建立了地下水可开采量的计算模型。
In Gangjingzi district, the typical area, the calculation model of allowable groundwater exploitation is built by the method of artificial neural network.
因而建立这种三氮转移动力学耦合数值模型用于地下水污染预测是不可靠的。
Thus, it is unreliable to predict groundwater pollution with dynamical coupling numerical model of their transformation.
水文地质结构模型是表现水文地质体的空间结构及含水层空间分布的模型，是地下水及与环境研究的基础。
The hydrogeological structure model which represents the space structure of the hydro geological unit and the spatial distribution of aquifers, is the basement of groundwater and environment research.
以水均衡方程为基础，应用时间序列分析法，建立系统管理模型，对地下水资源系统进行系统运行控制、预测和管理。
Systematic management model is set up by time series analytic method based on water balance equation to control, predict and manage groundwater resources system.
管理模型的计算结果说明该方法精度较高，工作量少，是地下水资源管理模型建立及求解的有效方法。
Solving results of management model show the high precision, simplified solving process and efficiency for foundation and solution of groundwater resources management model of this method.
结合地下水动态变化特征对坝区地下水系进行划分，建立了坝区水文地质模型。
With the dynamic variational characteristic of ground water, The text divided ground water system and build the hydrogeological model in dam-region.
以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。
The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
最后采用响应矩阵法耦合地下水流数值模型与优化模型建立了管理模型。
Finally, coupling the groundwater flow numerical model and optimization model constructed management model using response matrix method.
研究尝试采用VMOD中的MT3D MS模型对地下水质进行了模拟预测并指出了其应用中的局限性。
This paper tries to apply the MT3DMS model of VMOD into forecasting groundwater quality and to point out the limitations.
指出这类模型的应用前景和局限性，提出了时间序列分析模型与地下水动力学模型耦合应用的几种途径。
It points out the ap-plication prospect and limitations of these models - it presents several ways of coupling application of the time sequence analysis model with the groundwater dynamics model.
最后通过地下水原位修复中试装置，结合中试实验数据和基础试验数据，建立了ZVI修复污染地下水的预测模型。
In combination of the in situ groundwater treatment pilot plant data with the base experiment data we established a prediction model for the ZVI groundwater restoration.
采用遥感—数学—模型相融合的方法建立浅层地下水推断模型。
A prediction model for shallow groundwater combining remote sensing, mathematics was set up.
基于优化模型和遗传算法的运算过程，编写计算程序，实现地下水数学模型的自动识别。
Based on the optimization model and the work process of genetic algorithms, the program was written to calibrate the groundwater model.
基于优化模型和遗传算法的运算过程，编写计算程序，实现地下水数学模型的自动识别。
Based on the optimization model and the work process of genetic algorithms, the program was written to calibrate the groundwater model.
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