Confined Aquifers
承压含水层
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Confined Aquifers sentence examples within Deep Confined Aquifers
The AM3 model could not only compute the regional groundwater balances and describe spatial groundwater distribution in deep confined aquifers, but also delineate the capture zone of the wellfield.
AM3模型不仅可以计算区域地下水平衡和描述深层承压含水层中地下水的空间分布,还可以描绘井场的捕获区。
AM3模型不仅可以计算区域地下水平衡和描述深层承压含水层中地下水的空间分布,还可以描绘井场的捕获区。
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Groundwater from deep confined aquifers is often recommended for use because of it's low fluoride health risk.
通常建议使用来自深层承压含水层的地下水,因为它的氟化物健康风险低。
通常建议使用来自深层承压含水层的地下水,因为它的氟化物健康风险低。
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Confined Aquifers sentence examples within Two Confined Aquifers
The presence of one such fault and two confined aquifers was validated by resistivity surveys, which explains the shearing of the rocks and high degree of weathering of the country rocks.
电阻率调查证实了一个这样的断层和两个承压含水层的存在,这解释了岩石的剪切和围岩的高度风化。
电阻率调查证实了一个这样的断层和两个承压含水层的存在,这解释了岩石的剪切和围岩的高度风化。
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Two confined aquifers underlying the city of Qianjiang in the Jianghan Plain in China were selected for this study, having different recharge sources and strong hydrochemical gradients.
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Confined Aquifers sentence examples within Different Confined Aquifers
The research results are as follows: (1) The soil shows different subsidence characteristics when pumping groundwater from different confined aquifers; (2) The land subsidence is smaller when pumping from the deeper and thicker confined aquifer, and the location of the maximum subsidence is not at the land surface; (3) The lower transfer rate of the additional stress in the aquifuge is the essential reason that the process of land subsidence has usually been lagged behind the pumping process; (4) The response degree and sensitivity of land subsidence to the main physical and mechanical parameters are different.
研究结果如下:(1)从不同承压含水层抽取地下水时,土壤呈现出不同的沉降特征; (2)从较深、较厚的承压含水层抽水时,地面沉降较小,最大沉降位置不在地表; (3) 隔水层附加应力传递率较低是地面沉降过程通常滞后于抽水过程的本质原因; (4)地面沉降对主要物理力学参数的响应程度和敏感性不同。
研究结果如下:(1)从不同承压含水层抽取地下水时,土壤呈现出不同的沉降特征; (2)从较深、较厚的承压含水层抽水时,地面沉降较小,最大沉降位置不在地表; (3) 隔水层附加应力传递率较低是地面沉降过程通常滞后于抽水过程的本质原因; (4)地面沉降对主要物理力学参数的响应程度和敏感性不同。
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The process of identifying the location of hidden hydraulic contact points in different confined aquifers forms the basis of hydrogeological explorations.
识别不同承压含水层中隐藏的水力接触点位置的过程构成了水文地质勘探的基础。
识别不同承压含水层中隐藏的水力接触点位置的过程构成了水文地质勘探的基础。
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Confined Aquifers sentence examples within confined aquifers located
This study investigated the biodiversity and hydrochemistry of seven unconfined aquifers located in two hydrogeological complexes in the north-western region of Algeria.
本研究调查了位于阿尔及利亚西北部两个水文地质综合体的七个无承压含水层的生物多样性和水化学。
本研究调查了位于阿尔及利亚西北部两个水文地质综合体的七个无承压含水层的生物多样性和水化学。
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Three GALDIT, GAiDIT, and GALDIT-i methods were evaluated with data from three coastal confined and phreatic/confined aquifers located in the south of the Caspian Sea, northern Iran.
使用来自伊朗北部里海南部的三个沿海承压和潜水/承压含水层的数据评估了三种 GALDIT、GAiDIT 和 GALDIT-i 方法。
使用来自伊朗北部里海南部的三个沿海承压和潜水/承压含水层的数据评估了三种 GALDIT、GAiDIT 和 GALDIT-i 方法。
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For all the studied catchments, during dry seasons without recharge, the depletion rate of groundwater is found to decrease with the decline in groundwater storage, which can be ascribed to the vertical heterogeneity of their unconfined aquifers.
对于所有研究的集水区,在没有补给的旱季,发现地下水的消耗率随着地下水储量的下降而降低,这可以归因于其非承压含水层的垂直异质性。
对于所有研究的集水区,在没有补给的旱季,发现地下水的消耗率随着地下水储量的下降而降低,这可以归因于其非承压含水层的垂直异质性。
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Recharge mechanisms are: (1) river water seepage for the unconfined aquifers of the proximal and medial fan; (2) lateral flow for the confined aquifers of the medial and distal fan; and (3) precipitation infiltration for the phreatic water system.
补给机制为: (1) 近、中扇非承压含水层河水渗流; (2) 中远扇承压含水层侧向流动; (3) 潜水系统的降水入渗。
补给机制为: (1) 近、中扇非承压含水层河水渗流; (2) 中远扇承压含水层侧向流动; (3) 潜水系统的降水入渗。
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Accordingly, in this study, an innovative numerical solution based on LBM was introduced to solve groundwater flow in unconfined aquifers, taking into account D2Q9 scheme.
因此,在本研究中,在考虑 D2Q9 方案的情况下,引入了一种基于 LBM 的创新数值解法来求解无承压含水层中的地下水流动。
因此,在本研究中,在考虑 D2Q9 方案的情况下,引入了一种基于 LBM 的创新数值解法来求解无承压含水层中的地下水流动。
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 Sedimentary bodies as paleo-channels and remnants of littoral ridges, commonly hosting unconfined aquifers, are present all over coastal plain.
 沉积体作为古河道和沿岸山脊的残余物,通常包含无承压含水层,遍布沿海平原。
 沉积体作为古河道和沿岸山脊的残余物,通常包含无承压含水层,遍布沿海平原。
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These new understandings are of reference value to the mining water inrush under the combined action of reverse faults and confined aquifers and to the establishment of corresponding forecasting and early warning systems.
这些新认识对逆断层与承压含水层共同作用下的矿井突水及建立相应的预报预警体系具有参考价值。
这些新认识对逆断层与承压含水层共同作用下的矿井突水及建立相应的预报预警体系具有参考价值。
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We consider two layers, namely topsoil and unconfined/semi-confined aquifers in the groundwater model.
我们在地下水模型中考虑两层,即表土和非承压/半承压含水层。
我们在地下水模型中考虑两层,即表土和非承压/半承压含水层。
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The results show that rates of groundwater level decrease more than 1 m yr −1 in the confined and unconfined aquifers, with cumulative thicknesses of the compressible sediments between 160 and 170 m and Quaternary thicknesses between 400 and 500 m, yielding maximum hazard probabilities of 0.
结果表明,承压含水层和非承压含水层地下水位下降幅度均超过 1 m yr -1,可压缩沉积物累积厚度在 160 到 170 m 之间,第四纪厚度在 400 到 500 m 之间,最大危害概率为 0 .
结果表明,承压含水层和非承压含水层地下水位下降幅度均超过 1 m yr -1,可压缩沉积物累积厚度在 160 到 170 m 之间,第四纪厚度在 400 到 500 m 之间,最大危害概率为 0 .
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Available data consist of groundwater level time series from 81 observation wells (2000-2018; 43 in confined aquifers, 15 in semi-confined aquifers and 23 in unconfined aquifers), total flow rates from 179 hydrometric stations (1960-2017), and meteorological data from a spatially interpolated 10 km x 10 km grid (1960-2017).
可用数据包括来自 81 个观测井的地下水位时间序列(2000-2018 年;承压含水层 43 个,半承压含水层 15 个,非承压含水层 23 个)、179 个水文测量站的总流量(1960-2017 年)和气象来自空间插值 10 km x 10 km grid (1960-2017) 的数据。
可用数据包括来自 81 个观测井的地下水位时间序列(2000-2018 年;承压含水层 43 个,半承压含水层 15 个,非承压含水层 23 个)、179 个水文测量站的总流量(1960-2017 年)和气象来自空间插值 10 km x 10 km grid (1960-2017) 的数据。
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The results gained by Gibbs diagrams, bivariate plots, saturation index, and the major ions ratios demonstrated that minerals dissolution/precipitation, cation exchange, and human inputs play crucial roles in the unconfined aquifers.
通过吉布斯图、双变量图、饱和指数和主要离子比率获得的结果表明,矿物溶解/沉淀、阳离子交换和人类输入在非承压含水层中起着至关重要的作用。
通过吉布斯图、双变量图、饱和指数和主要离子比率获得的结果表明,矿物溶解/沉淀、阳离子交换和人类输入在非承压含水层中起着至关重要的作用。
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Further, decreasing trends were spotted in the pre-monsoon and post-monsoon groundwater-level time series of the leaky confined and confined aquifers, except pre-monsoon groundwater levels in Contai-I and Deshpran blocks, and the post-monsoon groundwater level in Ramnagar-I block for the leaky confined aquifer.
此外,除了 Contai-I 和 Deshpran 区块的季风前地下水水位和季风后地下水位在Ramnagar-I 块用于泄漏的承压含水层。
此外,除了 Contai-I 和 Deshpran 区块的季风前地下水水位和季风后地下水位在Ramnagar-I 块用于泄漏的承压含水层。
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The various sources of salinization, particularly in the unconfined aquifers, make it difficult to manage these resources.
盐渍化的各种来源,特别是在非承压含水层中,使得管理这些资源变得困难。
盐渍化的各种来源,特别是在非承压含水层中,使得管理这些资源变得困难。
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The approach may be applicable in other confined aquifers in hyper-arid climates in which the formation of aquifer systems linked to river damming by geological action took place.
该方法可能适用于超干旱气候中的其他承压含水层,在这些含水层中,含水层系统的形成与通过地质作用形成的河流筑坝有关。
该方法可能适用于超干旱气候中的其他承压含水层,在这些含水层中,含水层系统的形成与通过地质作用形成的河流筑坝有关。
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These findings give important insight into mechanisms of CAS in a special setting of unconfined aquifers.
这些发现为了解非承压含水层特殊环境中的 CAS 机制提供了重要的见解。
这些发现为了解非承压含水层特殊环境中的 CAS 机制提供了重要的见解。
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These solutions were implemented in an aquifer that was partially penetrated by the stream and were general enough to be applied to both unconfined and confined aquifers.
这些解决方案是在被河流部分渗透的含水层中实施的,并且足够通用,可以应用于非承压和承压含水层。
这些解决方案是在被河流部分渗透的含水层中实施的,并且足够通用,可以应用于非承压和承压含水层。
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For this purpose, a large data set of the groundwater quality parameters (for a period of 2005–2016) was obtained from the deep unconfined aquifers.
为此,从深层无承压含水层中获得了大量的地下水质量参数数据集(2005-2016 年期间)。
为此,从深层无承压含水层中获得了大量的地下水质量参数数据集(2005-2016 年期间)。
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For this purpose, a large data set of the groundwater quality parameters (for a period of 2005–2016) was obtained from the deep unconfined aquifers.
为此,从深层无承压含水层中获得了大量的地下水质量参数数据集(2005-2016 年期间)。
为此,从深层无承压含水层中获得了大量的地下水质量参数数据集(2005-2016 年期间)。
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The results show that the groundwater in shallow unconfined, and confined aquifers are of two types; Cl.
结果表明,浅层非承压含水层和承压含水层的地下水有两种类型;氯。
结果表明,浅层非承压含水层和承压含水层的地下水有两种类型;氯。
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A better water quality that under the good to medium categories was observed in the confined aquifers with 80% of samples having the EWQI value less than 100 and others in the range of 100–150.
在承压含水层中,80% 的样品的 EWQI 值小于 100,其他在 100-150 范围内,水质较好至中等。
在承压含水层中,80% 的样品的 EWQI 值小于 100,其他在 100-150 范围内,水质较好至中等。
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Managed aquifer recharge (MAR) embeds techniques for purposefully increasing the recharge to confined or unconfined aquifers.
管理含水层补给 (MAR) 嵌入了有目的地增加承压或非承压含水层补给的技术。
管理含水层补给 (MAR) 嵌入了有目的地增加承压或非承压含水层补给的技术。
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In unconfined aquifers it is well known that the drainage process is controlled by the unsaturated zone.
在非承压含水层中,排水过程由非饱和带控制是众所周知的。
在非承压含水层中,排水过程由非饱和带控制是众所周知的。
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Thus, considering the heterogenic distribution of seawater intrusion vulnerability among the studied unconfined aquifers, more intimate and detailed groundwater investigations are required on a periodical basis to explore water for drinking and irrigation.
因此,考虑到所研究的非承压含水层中海水入侵脆弱性的异质分布,需要定期进行更密切和详细的地下水调查,以探索饮用水和灌溉用水。
因此,考虑到所研究的非承压含水层中海水入侵脆弱性的异质分布,需要定期进行更密切和详细的地下水调查,以探索饮用水和灌溉用水。
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Yet unconfined aquifers can be vulnerable to microbial contamination during extreme weather events that lead to surface runoff.
然而,在导致地表径流的极端天气事件中,非承压含水层很容易受到微生物污染。
然而,在导致地表径流的极端天气事件中,非承压含水层很容易受到微生物污染。
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The aquifers comprise unconfined to semi-confined aquifers with fissures and intergranular porosity.
含水层包括具有裂缝和粒间孔隙度的非承压到半承压含水层。
含水层包括具有裂缝和粒间孔隙度的非承压到半承压含水层。
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Shallow karst is the entry point for groundwater penetration into the intermediate regime, with paleo-recharge by glacial meltwater and limited recent recharge by meteoric water at subcrop edges, and down-dip hydraulic gradients in confined aquifers.
浅岩溶是地下水渗透到中间状态的切入点,冰川融水的古补给和近期在子作物边缘的大气水补给有限,以及承压含水层的下倾水力梯度。
浅岩溶是地下水渗透到中间状态的切入点,冰川融水的古补给和近期在子作物边缘的大气水补给有限,以及承压含水层的下倾水力梯度。
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A key part of the project was quantifying the potential for a decline in the water quality of unconfined aquifers due to unintentional chemical release at the soil surface.
该项目的一个关键部分是量化非承压含水层水质下降的可能性,因为土壤表面的化学物质无意释放。
该项目的一个关键部分是量化非承压含水层水质下降的可能性,因为土壤表面的化学物质无意释放。
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The chloride concentration is decreased by about 1100 mg/l and 800 mg/l in the unconfined and semi-confined aquifers, respectively, by the end of 2030 with scenario 4.
在情景 4 中,到 2030 年底,非承压含水层和半承压含水层中的氯化物浓度分别降低约 1100 毫克/升和 800 毫克/升。
在情景 4 中,到 2030 年底,非承压含水层和半承压含水层中的氯化物浓度分别降低约 1100 毫克/升和 800 毫克/升。
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Groundwater in confined aquifers is the preferred water resource worldwide, and its hydrochemical quality is the premise for sustainable development.
承压含水层地下水是全球首选的水资源,其水化学质量是可持续发展的前提。
承压含水层地下水是全球首选的水资源,其水化学质量是可持续发展的前提。
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Geologic, seismic reflection, and wireline logging studies are carried out in order to investigate new deep reservoirs of semi-confined and confined aquifers.
为了研究半承压和承压含水层的新深层储层,开展了地质、地震反射和电缆测井研究。
为了研究半承压和承压含水层的新深层储层,开展了地质、地震反射和电缆测井研究。
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Surface depth measurement of recharge zones in boreholes should be carried out to ensure that borehole water is from confined aquifers that are safe for domestic and industrial uses.
应进行钻孔补给区的地表深度测量,以确保钻孔水来自对家庭和工业用途安全的承压含水层。
应进行钻孔补给区的地表深度测量,以确保钻孔水来自对家庭和工业用途安全的承压含水层。
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Urban centers radically alter hydrological cycles, causing unintended consequences for the environment, such as the creation of extensive contamination plumes in unconfined aquifers.
城市中心从根本上改变了水文循环,对环境造成了意想不到的后果,例如在非承压含水层中产生了广泛的污染羽流。
城市中心从根本上改变了水文循环,对环境造成了意想不到的后果,例如在非承压含水层中产生了广泛的污染羽流。
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The unconfined aquifers in the Eastern Indo-Gangetic Plains (EIGP) of India are one of the most extensive aquifer systems in South Asia and are prone to ever intensifying agricultural systems.
印度东部印度恒河平原 (EIGP) 的无承压含水层是南亚最广泛的含水层系统之一,并且容易出现日益集约化的农业系统。
印度东部印度恒河平原 (EIGP) 的无承压含水层是南亚最广泛的含水层系统之一,并且容易出现日益集约化的农业系统。
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This research estimates spatially and temporally the groundwater storage change and the storage coefficient in unconfined aquifers and under uncontrolled conditions by means of gravimetric data and validates the estimates by two procedures based on piezometric data.
本研究通过重力数据在空间和时间上估计非承压含水层和非受控条件下的地下水储量变化和储量系数,并通过基于测压数据的两个程序验证估计值。
本研究通过重力数据在空间和时间上估计非承压含水层和非受控条件下的地下水储量变化和储量系数,并通过基于测压数据的两个程序验证估计值。
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Unconfined aquifers are exposed to seepage from the polluted drains.
非承压含水层暴露于受污染的排水沟的渗漏。
非承压含水层暴露于受污染的排水沟的渗漏。
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Unconfined aquifers were more vulnerable to potability and palatability contamination.
非承压含水层更容易受到饮用和适口性污染的影响。
非承压含水层更容易受到饮用和适口性污染的影响。
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We consider a model mixing sharp and diffuse interface approach for the seawater intrusion phenomenon in confined aquifers.
我们考虑了一种模型混合尖锐和扩散界面方法,用于承压含水层中的海水入侵现象。
我们考虑了一种模型混合尖锐和扩散界面方法,用于承压含水层中的海水入侵现象。
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 </p><p>The Ukrainian part of the territory, where the confined aquifers are recharged, is characterised by minor anthropogenic pressures - very low population density and no large industrial enterprises.
 </p><p>该领土的乌克兰部分是承压含水层补给的地方,其特点是人为压力较小 - 人口密度非常低,没有大型工业企业。
 </p><p>该领土的乌克兰部分是承压含水层补给的地方,其特点是人为压力较小 - 人口密度非常低,没有大型工业企业。
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Cold freshwater recharge performs better compared with hot water in mitigating seawater intrusion in confined aquifers.
与热水相比,冷淡水补给在减轻承压含水层中的海水入侵方面表现更好。
与热水相比,冷淡水补给在减轻承压含水层中的海水入侵方面表现更好。
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The results contribute to the loss of contamination, based on the number of households with septic tanks and rudimentary cesspit, in unconfined aquifers, which were more vulnerable to contamination, mainly in peripheric expansions areas in the cities, where the deficit in sewage services tends to be high.
根据拥有化粪池和简陋污水坑的家庭数量,这些结果有助于污染的损失,这些无承压含水层更容易受到污染,主要是在城市的外围扩张区域,那里的污水服务不足往往会导致要高。
根据拥有化粪池和简陋污水坑的家庭数量,这些结果有助于污染的损失,这些无承压含水层更容易受到污染,主要是在城市的外围扩张区域,那里的污水服务不足往往会导致要高。
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For semi-confined and confined aquifers, barometric efficiency (BE) values can be used to provide efficient, low-cost estimates of specific storage.
对于半承压和承压含水层,气压效率 (BE) 值可用于提供对特定蓄水量的有效、低成本估算。
对于半承压和承压含水层,气压效率 (BE) 值可用于提供对特定蓄水量的有效、低成本估算。
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These results indicated that all the model’s input variables have a significant effect on the groundwater level of unconfined aquifers, and confirmed the nature of the aquifers tapped within the present study sites.
这些结果表明,所有模型的输入变量对非承压含水层的地下水位都有显着影响,并证实了本研究地点内开采的含水层的性质。
这些结果表明,所有模型的输入变量对非承压含水层的地下水位都有显着影响,并证实了本研究地点内开采的含水层的性质。
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For unconfined aquifers the hydraulic head is the same thing as the water table.
对于非承压含水层,水头与地下水位相同。
对于非承压含水层,水头与地下水位相同。
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The response of unconfined aquifers to Earth's solid tides (Earth tides) has been used to study a number of hydrogeological, environmental, and ecological processes.
非承压含水层对地球固体潮汐(地球潮汐)的响应已被用于研究许多水文地质、环境和生态过程。
非承压含水层对地球固体潮汐(地球潮汐)的响应已被用于研究许多水文地质、环境和生态过程。
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The integrated approach developed here, combining groundwater flow modeling and statistical analyses of the contaminant concentration data collected in groundwater and the hyporheic zone, lead to an improved understanding of the observed distribution of contaminants in the unconfined and semiconfined aquifers, and thus to their discharge to the stream.
这里开发的综合方法,结合地下水流建模和对地下水和次流带中收集的污染物浓度数据的统计分析,可以更好地了解在非承压和半承压含水层中观察到的污染物分布,从而将它们排放到流。
这里开发的综合方法,结合地下水流建模和对地下水和次流带中收集的污染物浓度数据的统计分析,可以更好地了解在非承压和半承压含水层中观察到的污染物分布,从而将它们排放到流。
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The purpose of the present investigation was to determine the presence and distribution of F− ions in semi-confined aquifers, located in the basins of Lerma-Chapala and Valley of Mexico.
本次调查的目的是确定位于 Lerma-Chapala 盆地和墨西哥谷的半承压含水层中 F 离子的存在和分布。
本次调查的目的是确定位于 Lerma-Chapala 盆地和墨西哥谷的半承压含水层中 F 离子的存在和分布。
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The results show there was a great potential for groundwater-unconfined aquifers.
结果表明,地下水无承压含水层具有巨大潜力。
结果表明,地下水无承压含水层具有巨大潜力。
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The proposed geothermometer is exclusive to confined aquifer system and not applicable to unconfined aquifers.
所提议的地温计专用于承压含水层系统,不适用于非承压含水层。
所提议的地温计专用于承压含水层系统,不适用于非承压含水层。
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Decreasing the aquifer hydraulic conductivity led to decrease in aquifer contamination, in which the confined aquifer pollution was less than the unconfined aquifers due to the clay cap, which plays a significant role in minimizing the solute transport into the groundwater reservoir, and to reduction of the aquifer salt variation by +19.
含水层导水率的降低导致含水层污染减少,其中承压含水层的污染低于非承压含水层,由于粘土盖层,这在最大限度地减少溶质向地下水储层的输送方面发挥了重要作用,并减少了含水层的污染。含水层盐分变化 +19。
含水层导水率的降低导致含水层污染减少,其中承压含水层的污染低于非承压含水层,由于粘土盖层,这在最大限度地减少溶质向地下水储层的输送方面发挥了重要作用,并减少了含水层的污染。含水层盐分变化 +19。
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gov/dep/dsr/trends/ The source of the State’s water supply is either from surface waters (streams, rivers, and reservoirs) or from the ground (confined and unconfined aquifers).
gov/dep/dsr/trends/ 该州的供水来源要么来自地表水(溪流、河流和水库),要么来自地面(承压和非承压含水层)。
gov/dep/dsr/trends/ 该州的供水来源要么来自地表水(溪流、河流和水库),要么来自地面(承压和非承压含水层)。
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Simple to compound pahoehoe basaltic lava flows are responsible for the fluoride contamination in the confined aquifers (bore wells) of the study area.
简单复合的 pahoehoe 玄武岩熔岩流是研究区域承压含水层(钻孔)中氟化物污染的原因。
简单复合的 pahoehoe 玄武岩熔岩流是研究区域承压含水层(钻孔)中氟化物污染的原因。
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Based on laboratory analysis, the groundwater types in the dug wells (unconfined aquifers) were dominated by type Ca 2+ -Na + -HCO 3 -.
根据实验室分析,所挖井(非承压含水层)的地下水类型以Ca 2+ -Na + -HCO 3 - 类型为主。
根据实验室分析,所挖井(非承压含水层)的地下水类型以Ca 2+ -Na + -HCO 3 - 类型为主。
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Groundwater samples collected from phreatic and confined aquifers were analyzed to evaluate NBLs and TVs, using median + 2MAD, Tukey inner fence (TIF), and percentile-based methods.
使用中位数 + 2MAD、Tukey 内围栏 (TIF) 和基于百分位数的方法分析从潜水和承压含水层收集的地下水样本以评估 NBL 和 TV。
使用中位数 + 2MAD、Tukey 内围栏 (TIF) 和基于百分位数的方法分析从潜水和承压含水层收集的地下水样本以评估 NBL 和 TV。
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Another apposite example is the exhaustive analysis of the Dupuit–Forchheimer approximation to the flow equations for unconfined aquifers, Sections 4.
另一个恰当的例子是对无承压含水层流动方程的 Dupuit-Forchheimer 近似的详尽分析,第 4 节。
另一个恰当的例子是对无承压含水层流动方程的 Dupuit-Forchheimer 近似的详尽分析,第 4 节。
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The higher confining degree has been observed in those areas of higher subsidence signatures, implying that the subsidence potential in confined aquifers is higher than that of unconfined aquifers.
在沉降特征较高的区域观察到较高的承压程度,这意味着承压含水层的沉降潜力高于非承压含水层的沉降潜力。
在沉降特征较高的区域观察到较高的承压程度,这意味着承压含水层的沉降潜力高于非承压含水层的沉降潜力。
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With abundant groundwater resources and obvious spatial distribution characteristics of confined aquifers, the Yuyao River valley is located in Ningbo, a coastal city in eastern China.
余姚河流域地处中国东部沿海城市宁波,地下水资源丰富,承压含水层空间分布特征明显。
余姚河流域地处中国东部沿海城市宁波,地下水资源丰富,承压含水层空间分布特征明显。
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Hydrostratigraphic and hydrogeological data allowed recognizing a multi-layered volcanic-sedimentary aquifer system, formed by shallow unconfined and deep semi-confined aquifers.
水文地层和水文地质数据允许识别由浅层非承压含水层和深层半承压含水层形成的多层火山沉积含水层系统。
水文地层和水文地质数据允许识别由浅层非承压含水层和深层半承压含水层形成的多层火山沉积含水层系统。
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By appointing numerical modeling as the reference method, a comparison between different methods showed that a semi-analytical method best fits the reference WHPA, and that analytical solutions produced overestimated WHPAs in unconfined aquifers as regional groundwater flow characteristics were neglected.
通过指定数值模拟作为参考方法,不同方法之间的比较表明,半解析方法最适合参考WHPA,并且由于区域地下水流动特征被忽略,解析解导致高估无承压含水层的WHPA。
通过指定数值模拟作为参考方法,不同方法之间的比较表明,半解析方法最适合参考WHPA,并且由于区域地下水流动特征被忽略,解析解导致高估无承压含水层的WHPA。
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Constant head (CH) and variable head (VH) tests were performed using 33 monitoring wells (MWs) installed in confined aquifers.
使用安装在承压含水层中的 33 口监测井 (MW) 进行恒水头 (CH) 和可变水头 (VH) 测试。
使用安装在承压含水层中的 33 口监测井 (MW) 进行恒水头 (CH) 和可变水头 (VH) 测试。
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In particular, in the case of confined aquifers, flow is a function of specific yield and transmissivity, as is the case even for leaky aquifers, whose hydrodynamic behavior is, however, also affected by the leakage between aquifers (quantified by the leakage factor).
特别是,在承压含水层的情况下,流量是特定产量和透水率的函数,即使对于渗漏含水层也是如此,但其水动力行为也受到含水层之间渗漏的影响(由渗漏因子量化) .
特别是,在承压含水层的情况下,流量是特定产量和透水率的函数,即使对于渗漏含水层也是如此,但其水动力行为也受到含水层之间渗漏的影响(由渗漏因子量化) .
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In this work, we present a class of new efficient models for water flow in shallow unconfined aquifers, giving an alternative to the classical but less tractable 3D-Richards model.
在这项工作中,我们提出了一类新的浅层无承压含水层水流有效模型,为经典但不太容易处理的 3D-Richards 模型提供了替代方案。
在这项工作中,我们提出了一类新的浅层无承压含水层水流有效模型,为经典但不太容易处理的 3D-Richards 模型提供了替代方案。
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A seepage model of semi-confined aquifers was established for simulating recharge well in a cone of depression.
建立了半承压含水层渗流模型,用于模拟凹陷锥体的补给井。
建立了半承压含水层渗流模型,用于模拟凹陷锥体的补给井。
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Annual groundwater withdrawals compiled by county 2 Confined and Unconfined Aquifers in Quaternary Sediments in the Glaciated Conterminous United States range on an areal basis from less than 1 to 370 millimeters per year, and the mean is 7.
美国冰川地区第四纪沉积物中第 2 郡承压和非承压含水层编制的年度地下水抽取量按面积计算,范围为每年不到 1 至 370 毫米,平均值为 7。
美国冰川地区第四纪沉积物中第 2 郡承压和非承压含水层编制的年度地下水抽取量按面积计算,范围为每年不到 1 至 370 毫米,平均值为 7。
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The findings from this study are useful for increasing the prediction accuracy of GW level variations in unconfined aquifers for sustainable GW resource management.
本研究的结果有助于提高无承压含水层中 GW 水平变化的预测准确性,以实现可持续的 GW 资源管理。
本研究的结果有助于提高无承压含水层中 GW 水平变化的预测准确性,以实现可持续的 GW 资源管理。