承压地下水

运用数字滤波器分析承压地下水系统补给源

Analysis of recharge source of confined groundwater system by using digital filter

苏锡常地区经济高度发达，城市化程度高，地下水开发利用程度也较高，主要开采第Ⅱ承压地下水。

The area is highly urbanized and developed in economy , with also rather high exploitation degree of groundwater , where the No2 confined groundwater is the main exploitation target .

但是张掖盆地河流附近深层承压地下水年龄小于50a，具有一定的更新性。

However , the groundwater ages in confined aquifers near the Heihe River in the Zhangye basin are less than 50 a , and thus the groundwater is renewable .

成都平原部分地段出现了微承压地下水，经分析水质达到了国家饮用水标准。

The micro-confined groundwater was discovered in some parts of the Chengdu Plain .

本次对浅层地下水的数值模拟在苏锡常地区内尚属首次，模拟结果可为今后全区合理开发利用浅层微承压地下水提供依据。

The simulation results may provide some insights into the reasonable development of the shallow groundwater in the area .

本文计算原理对于抽取深层承压地下水导致地面沉降同样适用。

The total stress variable principle is also applicable to the calculation of the settlement induced by drawing water in deep confined aquifers .

结合上海某一圆形超深基坑的工程实例，介绍了在松软土地质条件、承压地下水、周边环境复杂等复杂地质条件下圆形超深基坑的半逆筑法施工技术。

Based on the project of a circular deep foundation excavation in Shanghai , the technique of half-inverted construction on circular deep foundation excavation was introduced under complex geological conditions , such as soft clay , confined water and complex circumjacent condition , and so on .

一个计算因开采承压含水层地下水产生地面沉降的数学模型

Research of mechanism of ground subsidence caused by over exploiting ground water

承压含水层地下水开采流固耦合渗流数学模型

Mathematical modeling of flow and land subsidence coupling for groundwater pumping in confined aquifer

用同位素方法研究额济纳盆地承压含水层地下水的补给

Study of Groundwater Supply of the Confined Aquifers in the Ejin Basin Based on Isotopic Methods

对于孔隙潜水和孔隙承压水，地下水温度呈上升变化的本质原因是全球气候逐年变暖，而地下水活动和大气降水的增强起到了促进作用，特别是对孔隙承压水温度的上升作用更加明显；

The climate warming is the governing factor on the rise of the groundwater temperature intensified by groundwater movement and precipitation , which is obvious for phreatic water and confined water .

作者在收集已有观测井地下水位资料的基础上，利用人工神经网络技术中的动量BP算法对上海地区第Ⅲ承压含水层的地下水水位进行了动态预测，结果表明，该法具有较高的预测精度。

Based on collected data of wells , regime prediction of the groundwater level of wells in the 3rd confined aquifer in Shanghai area has been developed using momentum BP algorithm of artificial neural network . The result indicates that it has higher precision on prediction .

天津市第Ⅱ承压含水组某些地下水环境因子背景值及其分布规律

Background Value and Distribution of Environmental Elements of the Second Confined Aquifer in Tianjin

推导出上、下两个承压含水层中地下水水头波动的解析解，均为稳态解和周期解两部分线性叠加。

The analytical expressions of the hydraulic head in the two confined aquifers are derived , and both of them are expressed as a steady-state solution and a periodic solution .