Intensive long-term pumping in the Principal-Lagunera Region aquifer (Mexico) causing heavy impact on groundwater quality

Selecting 4 shallow groundwater source heat pump (GSHP) projects as research objects in Weifang city of Shandong province, China, the groundwater quality in the project area was, observed and analyzed by sampling continuously. The results show that the concentrations of chloride and the total hardness are relatively stable, and there are no apparent changes; In the change curve of TDS in different kind of shallow GSHPs, the worse the sealing condition of the project, the more obvious the rising trend of TDS; The concentration of nitrate is generally on the rise, and the concentration of ammonia appears in the trend of first increased then decreased. Therefore, in the region, the shallow GSHPs are not completely free from contamination in the current technology conditions and the application should be controlled and managed strictly. The observation of shallow GSHPs still need be conducted in a long term.

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Effect of Wastewater Treated by EM Reused for Irrigation on Shallow Groundwater Quality

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.409-410.318 ◽

2013 ◽

Vol 409-410 ◽

pp. 318-324 ◽

Cited By ~ 1

Author(s):

Chao Yin ◽

Xiao Hou Shao ◽

Xiao Wei Zhang ◽

Liang Ren ◽

Ting Ting Chang ◽

...

Keyword(s):

Groundwater Quality ◽

Environmental Pollution ◽

Groundwater Pollution ◽

Shallow Groundwater ◽

Wastewater Irrigation ◽

Irrigation Amount

In allusion to environmental pollution brought about by wastewater irrigation, EM technology was introduced to study the feasibility of EM application in wastewater irrigation. The results show that EC, NO3--N and TN value of EM treatment in shallow groundwater are all less than those of WW treatment as a whole. In all samples, 59.3% NO3--N values are in the alert status, and when irrigation amount reaches 360mm, treatment WW has caused shallow groundwater pollution. TN concentration in treatment WW-3 on June 27 and July 9 is more than 110 mg/L. It suggests that NO3--N can easily penetrate into shallow groundwater with wastewater irrigation and there is insurance of groundwater pollution in the long-term wastewater irrigation. It also indicates that application of wastewater treated by EM reused for irrigation is feasible. TP values are all very low and suggest the pollution of P does not happen.

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Spatial variability and long-term analysis of groundwater quality of Faisalabad industrial zone

Applied Water Science ◽

10.1007/s13201-016-0467-3 ◽

2016 ◽

Vol 7 (6) ◽

pp. 3197-3205 ◽

Cited By ~ 1

Author(s):

Muhammad Salman Nasir ◽

Abdul Nasir ◽

Haroon Rashid ◽

Syed Hamid Hussain Shah

Keyword(s):

Spatial Variability ◽

Groundwater Quality ◽

Industrial Zone ◽

Term Analysis

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PREDICTING LONG TERM TRENDS OF GROUNDWATER QUALITY IN FAISALABAD USING STOCHASTIC FRAMEWORK

The Pakistan Journal of Agricultural Sciences ◽

10.21162/pakjas/16.3517 ◽

2016 ◽

Vol 53 (09) ◽

pp. 679-685

Author(s):

Muhammad Salman Nasir ◽

Abdul Nasir ◽

Faizan-ul-Haq Khan ◽

M. Mazhar Saeed ◽

Haroon Rashid ◽

...

Keyword(s):

Groundwater Quality ◽

Stochastic Framework ◽

Long Term Trends

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Long-term changes in surface and groundwater quality in the area of municipal landfill (Barycz, Poland)

Environment Protection Engineering ◽

10.37190/epe180108 ◽

2018 ◽

Vol 44 (1) ◽

Author(s):

Ewa Szalinska ◽

Kajetan d’Obyrn

Keyword(s):

Groundwater Quality ◽

Municipal Landfill ◽

Long Term Changes ◽

Surface And Groundwater

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Transformation of the groundwater composition in coastal zone of the Ivankovo reservoir during 20 years

Engineering Geology and Hydrogeology ◽

10.52321/igh.35.1.3 ◽

2021 ◽

Vol 35 (1) ◽

pp. 3-14

Author(s):

Elena Lapina ◽

Larisa Lapina ◽

Vera Kudryashova

Keyword(s):

Chemical Composition ◽

Groundwater Quality ◽

Atmospheric Precipitation ◽

Shallow Groundwater ◽

Winter Period ◽

Ivankovo Reservoir ◽

Water Quality Status ◽

The City ◽

Term Monitoring

The Ivankovo reservoir is an important source of drinking water for the city of Moscow. The water quality status of aquifers around the reservoir is important for its safety, as groundwater inflow into the reservoir is considerable. The chemical composition of the shallow groundwater around the Ivankovo reservoir is studied. The study is based on long-term monitoring (1999–2019) of both surface and groundwater quality. The aim of the paper is to identify changes in groundwater quality over this period and to determine their causes. The results show that over this 20 year-period, the groundwater quality in the study area shifted from HCO3–Ca to HCO3–Ca-Mg type, proven by statistical methods. The median values of the total dissolved solids (TDS) decreased by 13% in summer and by 17% in winter. It is shown that the ongoing processes of transformation of the groundwater chemical composition are mainly due to climate change, and atmospheric precipitation in the spring-winter period is a possible source of the Mg2+ ion entering the groundwater table. Among other components, concentrations of chlorides and sulfates underwent the largest change, the median values of which have decreased by two or more times, which is caused by both the dilution of the groundwater by melt water and a decrease in the anthropogenic load.

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Hydrochemical Characterisation of Groundwater Quality: Merdja Plain (Tebessa Town, Algeria)

Civil Engineering Journal ◽

10.28991/cej-2020-03091473 ◽

2020 ◽

Vol 6 (2) ◽

pp. 318-325 ◽

Cited By ~ 11

Author(s):

Baazi Houria ◽

Kalla Mahdi ◽

Tebbi Fatima Zohra

Keyword(s):

Groundwater Quality ◽

Principal Component ◽

Anthropogenic Factors ◽

Agricultural Activity ◽

Chemical Parameters ◽

Physico Chemical ◽

High Concentrations ◽

Geological Formations

The objective of this work is to evaluate the physico-chemical quality of the groundwater of the Merdja plain and to determine the sources of mineralization. This quality is influenced by several environmental and anthropogenic factors such as geological context, climate, precipitation and interaction between groundwater and aquifers and human activities. A Principal Component Analysis (PCA) on samples taken from several wells spread over the entire Tebessa plain (Merdja) allowed us to detect two axes that explain 73.4% of the information. The first axis describes the variables related to mineralisation and the second one describes those related to agricultural activity. Multidimensional Positioning (MDS) confirmed the interaction of physico-chemical parameters between them and their influence on groundwater quality by highlighting three groups of wells according to their physico-chemical characteristics, particularly those containing high concentrations of nitrates. This contamination is mainly the result of spreading the fertilisers and wastes that are dumped into the plain without treatment. Salinization is the result of long-term interactions between groundwater and geological formations.

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