Evaluation of groundwater quality and health risks from contamination in the north edge of the Loess Plateau, Yulin City, Northwest China

Su, He; Kang, Weidong; Xu, Youlong; Wang, Jiading

doi:10.1007/s12665-017-6781-8

Cited by 38 publications

(15 citation statements)

References 65 publications

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“…And the annual evaporation is approximately 1,195.5 mm. This annual evaporation is approximately three‐times the annual precipitation in this region (Su, Kang, Xu, & Wang, 2017).…”

Section: Methodsmentioning

confidence: 96%

Carbon accumulation by Pinus sylvestris forest plantations after different periods of afforestation in a semiarid sandy ecosystem

et al. 2021

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The carbon pool is changing in afforestation ecosystems, which vary in their duration since establishment, in many semiarid sand regions. Understanding this is important for the management of the planted forest. The present study explored the dynamics of afforested forest carbon pool in a semiarid sandy ecosystem, northwest China. We studied afforested forests of pine (Pinus sylvestris) of five afforestation ages (20, 30, 40, 50, and 60 years since planting, and bare sand as control), the carbon storage and carbon sequestration rate of the forest aboveground biomass layer, surface litter layer, and soil layer (0-50 cm) were calculated, and the soil water content and soil organic carbon of 0-400 cm soil depth were measured. The results showed that the carbon sequestration rate was highest after 20-30 years, with 0.58 Mg C ha −1 yr −1 in the soil layer (0-50 cm). We found a rate of 0.13 Mg C ha −1 yr −1 in the surface litter layer, and a rate of 20.79 Mg C ha −1 yr −1 in the forest aboveground biomass layer. The carbon storage of the forest aboveground biomass layer was highest after 30-40 years, and the carbon storage of the surface litter increased with time. In the soil layer, the carbon storage at 0-10 cm depth was highest after 60 years, the carbon storage at 20-50 cm depth increased soon after afforestation and then decreased afterward with increasing afforestation ages with the maximum for 20-50 cm occurring after 30-40 years. The total carbon storage [the forest aboveground biomass layer, surface litter layer and soil layer (0-50 cm)] was higher when afforestation ages reached around 30 years, after that it decreased with increasing afforestation age. Our research improves the understanding of the P. sylvestris forest ecosystem carbon sequestration in a semiarid sandy area.

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“…And the annual evaporation is approximately 1,195.5 mm. This annual evaporation is approximately three‐times the annual precipitation in this region (Su, Kang, Xu, & Wang, 2017).…”

Section: Methodsmentioning

confidence: 96%

Carbon accumulation by Pinus sylvestris forest plantations after different periods of afforestation in a semiarid sandy ecosystem

et al. 2021

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“…6a). Because of release of Na + from the rock weathering (Meyback 1987;Stumm and Morgan 1996), the groundwater would have HCO − 3 as a dominant ion (Rogers 1989). Further, most groundwater sampling points are observed above the equiline of Na + : HCO − 3 (Fig.…”

Section: Hydrogeochemical Relationsmentioning

confidence: 99%

“…Nageswara assessed the geochemical evolution of groundwater in the Western Delta region of River Godavari, Andhra Pradesh, India. Su et al (2017) evaluated the groundwater quality and health risks from contamination in the north edge of the loess plateau, Yulin City, Northwest China.…”

Section: Introductionmentioning

confidence: 99%

Groundwater quality from a part of Prakasam District, Andhra Pradesh, India

Rao

2018

Appl Water Sci

113

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Quality of groundwater is assessed from a part of Prakasam district, Andhra Pradesh, India. Groundwater samples collected from thirty locations from the study area were analysed for pH, electrical conductivity (EC), total dissolved solids (TDS), calcium (Ca 2+ and F − ) were compared with the drinking water quality standards. The sodium adsorption ratio, percent sodium, permeability index, residual sodium carbonate, magnesium ratio and Kelly's ratio were computed and USSL, Wilcox and Doneen's diagrams were also used for evaluation of groundwater quality for irrigation. For industrial purpose, the pH, TDS, HCO were used to assess the impact of incrustation and corrosion activities on metal surfaces. As a whole, it is observed that the groundwater quality is not suitable for drinking, irrigation and industrial purposes due to one or more chemical parameters exceeding their standard limits. Therefore, groundwater management measures were suggested to improve the water quality.

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“…These cases have been observed in adults as well as in children under 5 years of age. For Su et al [54], the quality of groundwater may be closely linked to human health. The pollution generated by anthropogenic activities can, when reaching critical levels, present a danger to public health [5].…”

Section: Introductionmentioning

confidence: 99%

Assessment of the quality of quaternary groundwater under the influence of anthropogenic activities in the low-income neighbourhoods of the Treichville municipality (Abidjan, Côte d’Ivoire)

et al. 2020

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This study aims to assess the groundwater quality and the origin of water mineralization in an environment with high anthropogenic pressure in the municipality of Treichville. Twenty-one water samples were analysed to determine the quality. Kruskal-Wallis nonparametric test, Mann-Whitney test, Kohonen algorithm, and water table building were used to determine the factors influencing the mineralization. The results showed that the well's water contains chemical and bacteriological elements whose concentrations are higher than the standards authorized by the World Health Organization (WHO). Thus, high levels of nitrate (peak = 173.1 mg L −1), phosphate (peak = 1.03 mg L −1), lead (peak = 2.987 mg L −1), and Escherichia coli (peak = 2.31 × 10 5 UFC 100 mL −1) were obtained in these waters. So, the groundwater is not suitable for human consumption. The most mineralized waters are found in the areas near the Ebrié Lagoon and extend in the direction including the low-income neighbourhoods of Biafra, Nanan Yamousso and Appolo. Pollutant transfer is continuous in the study area and comes from surface sewage, latrines, sewage disposal systems, well water collection materials, and the Ebrié Lagoon. Indeed, the pollutants leave Biafra neighbourhoods where water is heavily polluted and the pollution is amplified by the presence of septic tanks and latrines located on the line of groundwater flow. The main factors influencing water quality are the lagoon water intrusion, the advection mechanism linked to the infiltration of surface water and the lateral migration of pollutants from septic tanks and latrines, and mechanism of dissolution of the clay component of the clayey-sandy layers.

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Evaluation of groundwater quality and health risks from contamination in the north edge of the Loess Plateau, Yulin City, Northwest China

Cited by 38 publications

References 65 publications

Carbon accumulation by Pinus sylvestris forest plantations after different periods of afforestation in a semiarid sandy ecosystem

Carbon accumulation by Pinus sylvestris forest plantations after different periods of afforestation in a semiarid sandy ecosystem

Groundwater quality from a part of Prakasam District, Andhra Pradesh, India

Assessment of the quality of quaternary groundwater under the influence of anthropogenic activities in the low-income neighbourhoods of the Treichville municipality (Abidjan, Côte d’Ivoire)

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