搜索结果: 1-15 共查到“知识库 理学 Groundwater”相关记录269条 . 查询时间(0.086 秒)
Numerical simulation of groundwater and early warnings from the simulated dynamic evolution trend in the plain area of Shenyang, Liaoning Province (P.R. China)
roundwater table Groundwater exploitation
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2018/3/23
Groundwater level is the most direct factor reflecting whether groundwater is in a virtuous cycle. It is the most important benchmark for deciding whether a balance can be struck between groundwater d...
Statistical characteristics of heavy metals content in groundwater and their interrelationships in a certain antimony mine area
Groundwater Heavy metals Content Statistical characteristics Interrelationships Antimony mine
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2018/3/23
In recent years, most of domestic and foreign researches about heavy metal pollutions of metal mine mainly focus on water, soil and plants on the surface. There is lack of researches about heavy metal...
Climate change and groundwater conditions in the Mekong Region–A review
Climate change Groundwater Mekong Region
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2018/3/23
Changes in the climatic system introduce uncertainties in the supply and management of water resources. The Intergovernmental Panel on Climate Change (IPCC) predicts an increase of 2 to 4 °C over the ...
Analysis on hydrochemical characteristics of groundwater in strongly exploited area in Hutuo River Plain
Shallow groundwater Hydrochemical characteristics Hutuo River Alluvial Plain
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2018/3/23
The Hutuo River alluvial-proluvial fan is located in North China Plain, and groundwater is the main source of water supply for agriculture and domestic water. Shijiazhuang depression funnels due to th...
Geoelectrical investigation for the assessment of groundwater conditions: a case study
electrical resistivity sounding roundwater condition Shooro Iran
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2015/9/10
An electrical resistivity survey involving Vertical Electrical Soundings (VES) was carried out in the Shooro
Basin in Southeast Iran in order to study groundwater conditions such as depth, thickness ...
Effects on the groundwater levels of the May-June 2012 Emilia seismic sequence
Groundwater processes Groundwaters Seismic effects Water level Hydrology
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2015/8/26
A variety of phenomena were observed in the groundwaters in concomitance with the May-June 2012 seismic sequence that occurred in the Emilia Romagna area. In particular, phreatic wells close to the ep...
VLF-EM and VES: an application to groundwater exploration in a Precambrian basement terrain SW Nigeria
Electromagnetic (VLF-EM) Hard rock environment Groundwater development Layer resistivity Bed thickness mappingss mapping
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2015/8/17
In a hard rock environment with surface or near surface expression of outcrops, the use of VES only becomes difficult due to its associated problems and limitations. However, the use of VLF-EM becomes...
Groundwater Quality and Vulnerability Mapping of an Unconfined Coastal Aquifer
vulnerability index Chennai India
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2015/8/14
Groundwater quality mapping is very essential to identify regions where groundwater is suitable for various uses. A study of the vulnerability of groundwater for pollution in a region is required as i...
Studies on Major Ion Chemistry and Hydrogeochemical Processes of Groundwater in Port Harcourt City, Southern Nigeria
Groundwater Port Harcourt City Nigeria
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2015/8/14
Of recent, the rapid deterioration of groundwater quality in Port Harcourt, Southern Nigeria due to unregulated exploitation resulting from increasing growth in the oil and gas production activities h...
Groundwater Flow Model and Particle Track Analysis for Selecting Water Quality Monitoring Well Sites,and Soil Sampling Profiles
Mechanic villages heavy metals modelling pollution studies Imo River basin
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2015/8/14
Researchers often use only surface drainage (imperical method) as a tradition to locate sites for installation of water quality monitoring wells, and soil sampling profile for pollution studies in urb...
Evaluating Groundwater Potential of a Hard-rock Aquifer Using Remote Sensing and Geophysics
Groundwater remote sensing geophysics well-yield
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2015/8/14
Water constitutes one of the sensitive environmental parameters of the hydrological processes. Therefore, the study of water resources exploitation sustainable to the environment is important. Water r...
An investigation of groundwater condition using geoelectrical resistivity method: A case study from some parts of Kaushambi district (U.P.) India
Groundwater Vertical Electrical Sounding VES Resistivity
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2015/8/14
Twelve Vertical Electrical Sounding (VES) were carried out using Schlumberger configuration in parts of Kaushambi district (latitude 25o 15' 8'' and 25o 39' 55'' N. and longitude 81o 17' 5'' and 81o 3...
Application of an artificial neural network to estimate groundwater level fluctuation
groundwater level fluctuation estimating artificial neural network back propagation algorithms radial basis function MATLAB
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2015/8/13
This paper examines and compares the capability of an artificial neural network (ANN) with five different backpropagation (BP) algorithms, namely Gradient descent with momentum (GDM), Gradient descent...
Spatial Variability and Prediction Modeling of Groundwater Arsenic Distributions in the Shallowest Alluvial Aquifers in Bangladesh
Arsenic Bangladesh distribution spatial variability semivariogram prediction models
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2015/8/13
Elevated arsenic in groundwater is the greatest environmental problem in Bangladesh. Spatial variability of arsenic in groundwater has been examined by semivariogram analysis that revealed high degree...
Kriging of Groundwater Levels – A Case Study
Geostatistics Groundwater levels Semivariogram Kriging India
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2015/8/11
In this paper, application of the spatial statistical technique, kriging, for the spatial analysis of groundwater levels is shown. The data set consists of groundwater levels measured at about 60 poin...