Schemes of groundwater exploitation for emergency water supply and their environmental impacts on Jiujiang City,China

Lan, Yingying; Jin, Menggui; Yuan, Chun; Zou, Youqin

doi:10.1007/s12665-014-3586-x

Cited by 11 publications

(5 citation statements)

References 22 publications

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“…Objectively speaking, rapid economic growth has led to severe air pollution [35][36][37]. Further, population increases in urban areas are decreasing the environmental carrying capacity of land resources [38].…”

Section: Hypothesis 1 (H1)mentioning

confidence: 99%

Health Consciousness, Smog Consciousness and Chinese Elderly Migrant Workers’ Preferred Retirement Place

et al. 2017

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Abstract:Although those who migrated fairly early in the Chinese diaspora are reaching retirement age, their choice of retirement location will be affected by significant rural-urban disparities in medical insurance and service, pension, environment management, and public education. The lifestyle and savings for migrant workers over 45 years old are unique; they have received the wages of urban workers but are still tied to agricultural residential identities. A field survey of 173 elderly migrant workers in Xi'an examined the relationship between preferred place of retirement and health, smog, and health environmental consciousness. Among the sample, 70.5% preferred to return home for retirement; 16.8%, to stay away from home; and 12.7% had not yet considered where they would live in retirement. Based on regression results, migrant workers who were more concerned about their personal health, less concerned about the effects of city smog, who had property in rural areas and who were less educated were significantly more likely to say that they would return to rural areas for retirement. It is suggested that the narrowing the gap in retirement service and medical service between rural and urban areas could be an effective way for the government to deal with future retirement issues and provide equalized retirement services for elderly migrant workers.

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Section: Hypothesis 1 (H1)mentioning

confidence: 99%

Health Consciousness, Smog Consciousness and Chinese Elderly Migrant Workers’ Preferred Retirement Place

et al. 2017

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“…If these impacts are not handled properly, there is the potential for more significant impacts such as subsidence that can trigger flood points to a clean water crisis due to seawater intrusion in coastal areas [5,6]. The groundwater crisis will significantly impact the economy and people's lives [7,8].…”

Section: Introductionmentioning

confidence: 99%

Modeling of Groundwater Level Changes Due to Deep Well Extraction Using Modflow in the North of Bandar Lampung

Purwadi

Darmawan

Yuwono

et al. 2023

AEJ

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The growth rate of urban areas in the north of Bandar Lampung has caused the extraction of groundwater resources through deep well pumping to increase. Therefore, it is necessary to study the impact of pumping to prevent groundwater depletion. This study performs numerical simulation modeling to identify the impact of deep well pumping on changes in groundwater levels in three sub-districts north of Bandar Lampung city. Modeling is done using MODFLOW-6 and ModelMuse as a graphical user interface (GUI). The simulation method uses steady-state and transient models with four stress periods in 2000, 2010, 2020, and 2030. A total of 30 data wells are used for model setup, and 15 of them as observation and validation points. The simulation results show that hydraulic head changes occur at depths of 10 m to more than 40 m. Drawdown and groundwater head changes are concentrated at deep well points with a radius of up to 1 km. The model also successfully identified a decrease in groundwater level to more than 8 m in the deepest well area DW1. Thus, it is necessary to take action that can overcome the impact of changes in groundwater level due to pumping from deep wells. Furthermore, groundwater storage engineering can be one solution by utilizing rainwater harvesting technology to recharge the groundwater aquifer system.

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“…The topography of the area makes the fast and efficient demand of emergency water storage and supply necessary. Groundwater serves as an important source of water and can effectively meet this demand [4], which is a key emergency water supply resource during post-disaster reconstruction processes [5]. One of the most valuable advantages of groundwater is that it is less susceptible to environmental contamination than surface water, which is very helpful for both emergency water supply and domestic drinking water [6].…”

Section: Introductionmentioning

confidence: 99%

GIS-Based Groundwater Potential Assessment in Varied Topographic Areas of Mianyang City, Southwestern China, Using AHP

Zhang

et al. 2021

Remote Sensing

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Mianyang City is located in the varied topographic areas of Sichuan Province in southwestern China and is characterized by a complex geological background. This area is prone to disasters and its varied topography is inconvenient for emergency water storage and supply. Groundwater is essential for alleviating the demand for water and post-disaster emergency water supply in this area. This study applied AHP to integrate remote sensing, geological and hydrological data into GIS for the assessment of groundwater potential, providing a plan for the rational exploitation of groundwater and post-disaster emergency water supply in the area. Nine factors, including the spring calibration related to groundwater, were integrated by AHP after multicollinear checks. As a result, the geology-controlled groundwater potential map was classified into five levels with equal intervals. All the results were validated using borehole data, indicating the following: the areas with yield rates of <1t/d·m, 1–20 t/d·m, and 20–400 t/d·m accounted for 2.66%, 36.1%, and 39.62%, respectively, whereas the areas with yield rates of 400–4000 t/d·m and >4000t/d·m accounted for only 20.88% and 0.75% of the overall area. The flexibility of this quick and efficient method enables its application in other regions with a similar geological background.

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Schemes of groundwater exploitation for emergency water supply and their environmental impacts on Jiujiang City,China

Cited by 11 publications

References 22 publications

Health Consciousness, Smog Consciousness and Chinese Elderly Migrant Workers’ Preferred Retirement Place

Health Consciousness, Smog Consciousness and Chinese Elderly Migrant Workers’ Preferred Retirement Place

Modeling of Groundwater Level Changes Due to Deep Well Extraction Using Modflow in the North of Bandar Lampung

GIS-Based Groundwater Potential Assessment in Varied Topographic Areas of Mianyang City, Southwestern China, Using AHP

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