نتایج جستجو برای: studying groundwater status accurately
تعداد نتایج: 640641 فیلتر نتایج به سال:
Indicators, for groundwater resources, have mostly been employed to define the present status and the degradation tendency, regarding both quantity (under- or overexploitation) and quality (natural and anthropic contamination). This work presents the application of indicators in order to draw a picture of the groundwater resources situation in the 22 Water Resource Management Units (WRMU) of th...
BACKGROUND We assessed the health effects of hexavalent chromium groundwater contamination (from tanneries and chrome sulfate manufacturing) in Kanpur, India. METHODS The health status of residents living in areas with high Cr (VI) groundwater contamination (N = 186) were compared to residents with similar social and demographic features living in communities having no elevated Cr (VI) levels...
Successful prediction of groundwater flow and solute transport through highly heterogeneous aquifers has remained elusive due to the limitations of methods to characterize hydraulic conductivity (K) and generate realistic stochastic fields from such data. As a result, many studies have suggested that the classical advective-dispersive equation (ADE) cannot reproduce such transport behavior. Her...
BACKGROUND Male circumcision (MC) is a well-established component of HIV prevention in countries with high HIV prevalence and heterosexually driven epidemics. Delivery and monitoring of MC programs are reliant on good quality MC data. Such data are often generated through self-reported MC status surveys. This study examined self-reported MC status in comparison with genital photographs from men...
Overexploitation of groundwater resource may result in lowering groundwater table at a faster rate due to an imbalance in the total recharge and total withdrawal. In order to make a balance between groundwater exploitation and recharge, the major remedial measures suggested are to strengthen groundwater management, adopt water demand policies, raise water use efficiency, and to increase water s...
Transport processes that lead to exchange of mass between surface water and groundwater play a significant role for the ecological functioning aquatic systems, hydrological biogeochemical transformations. In this study, we present novel integral modeling approach flow transport at sediment–water interface. The model allows us simultaneously simulate turbulent subsurface with same conceptual app...
Background and Purpose: This study was undertaken, first, to investigate the hydrogeological setting of the study area and geophysical data, second to examine the general nature of the groundwater quality. In this regard, ordinary Kriging, Co-Kriging, and Inverse Weighted Distance (IWD) strategies were applied to develop spatial variability maps, and study the fluctuations in groundwater qualit...
Information on chlorine concentration in groundwater for drinking and agriculture is important. If theconcentration of this element is in too much water can cause problems for humans and is toxic toplants. Measurement of chloride in groundwater is extensive, costly and time consuming. Find easyand inexpensive method has a special importance. the Statistical methods are based on spatialvariables...
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