Use of environmental isotopes to assess groundwater pollution caused by agricultural activities

Arumí, José Luis; Escudero, Manuel López; Aguirre, Evelyn; Salgado, Juan Carlos; Aravena, Ramón

doi:10.1080/10256016.2020.1813124

Cited by 8 publications

(2 citation statements)

References 20 publications

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“…Consequently, an alarming decline in groundwater levels of the alluvial aquifers reached ~40 m in the 2010–2020 period (e.g., Figueroa et al 2021 ). Water infiltration from agricultural areas using fertiliser and pesticides has impacted groundwater quality by increasing the concentration of NO 3 , Cl, and other trace elements (Fernández et al 2017 ; Arumi et al 2020 ; Taucare et al 2020 ). It is important to note that before the 2022 reform, groundwater extraction approval was basically subject to administrative requirements rather than hydrological or ecological aspects.…”

Section: Methodsmentioning

confidence: 99%

Improving school children’s understanding of water scarcity with a co-produced book on groundwater in Central Chile

Vargas-Payera,

Taucare,

Pareja

et al. 2023

Hydrogeol J

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Water scarcity is a critical issue worldwide, and Chile is no exception. Since 2010, Central Chile has been enduring an ongoing water crisis due to the coupled effects of a severe drought and the overuse of water resources, especially groundwater. Rural communities have been strongly impacted, mainly because wells from which drinking water is supplied show a dramatic drop in water levels, and some have even dried up. The water scarcity scenario requires the integration of actors and disciplines to increase awareness of groundwater; however, how to make this valuable element visible in society is an issue that remains open to debate. This paper describes and reflects on the process of making educational material about groundwater and water scarcity for children to promote public awareness. Based on transdisciplinary and co-designing processes, this work describes the social perceptions of groundwater among children and community leaders, as well as how scientific information and local knowledge of water scarcity could be integrated into a book for the young population. This research finds that educational projects on groundwater resources increase people’s awareness of the role of this hidden resource in the water cycle. Such projects encourage the creation of grounded and contextualised materials that incorporate the knowledge and experience already present in the communities, increasing public awareness of the role of groundwater and associated water scarcity issues, thereby integrating academia and society. This approach could be a tool to lay the foundations for successfully addressing the water crisis in Chile over generations.

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Section: Methodsmentioning

confidence: 99%

Improving school children’s understanding of water scarcity with a co-produced book on groundwater in Central Chile

Vargas-Payera,

Taucare,

Pareja

et al. 2023

Hydrogeol J

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“…The environmental isotopes most commonly used in groundwater studies include the stable isotopes deuterium (D), oxygen-18 ( 18 O), sulfur-34 ( 34 S), and the radioactive isotope tritium (T). Stable isotopes D and 18 O primarily reflect groundwater sources, hydraulic links, aquifer leakage, and paleoclimate changes (Kumar et al 2019;Arumi et al 2020;Kreis et al 2020;Priestley et al 2020). 34 S is chiefly employed to identify pollution sources and geothermal system water flow (Awad et al 1995;Lee & Lee 2018).…”

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confidence: 99%

Groundwater recharge pathway according to the environmental isotope: the case of Changwu area, Yangtze River Delta Region of China

Zhang

Chen

et al. 2021

Water Supply

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Groundwater recharge is an important factor affecting water circulation. As groundwater has slow seepage, directly observing the seepage velocity and recharge path of groundwater in the aquifer is difficult. Environmental isotope technology has become an important means to clarify the mechanism of groundwater movement and the mechanism by which groundwater recharges from the micro and macro perspectives. The Changwu area of Jiangsu Province was taken as an example to identify the recharge sources of groundwater and the recharge paths of groundwater and surface water by using the measured data of isotopes D, 18O, 34S, and T. The results indicated that the shallow aquifer and the I confined aquifer in the Changwu area are mainly recharged by precipitation and surface lake water. The II confined aquifer along the Yangtze River is recharged by modern precipitation. Moreover, the II confined aquifer in the Henglin area was recharged by the ancient Yangtze River before 4,000 years ago, and no recharge relationship exists now. the recharge condition of the II confined aquifer around the northwest of Gehu Lake is in the climate environment of 8,000 years ago and was caused by the surface depression lake water at that time. Additionally, the concealed limestone aquifer is primarily supplied by the II confined aquifer, while the concealed sandstone aquifer supplies the II confined aquifer. Hence, to find out the recharge conditions of groundwater aquifers based on the environmental isotope is conducive to scientific and reasonable evaluation of groundwater resources and to ensure the sustainable development and utilization of groundwater resources.

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Chemical composition, radioactive and stable isotopes in several selected thermal waters in North Vietnam

Châu

Wątor

Rusiniak

et al. 2022

Ecological Indicators

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Use of environmental isotopes to assess groundwater pollution caused by agricultural activities

Cited by 8 publications

References 20 publications

Improving school children’s understanding of water scarcity with a co-produced book on groundwater in Central Chile

Improving school children’s understanding of water scarcity with a co-produced book on groundwater in Central Chile

Groundwater recharge pathway according to the environmental isotope: the case of Changwu area, Yangtze River Delta Region of China

Chemical composition, radioactive and stable isotopes in several selected thermal waters in North Vietnam

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