Groundwater management institutions in the face of rapid urbanization – Results of a framed field experiment in Bengaluru, India

Wegmann, Johannes; Mußhoff, Oliver

doi:10.1016/j.ecolecon.2019.106432

Cited by 8 publications

(3 citation statements)

References 40 publications

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“…This can be seen from the analysis of self-supply sources that rely entirely on groundwater. Provision of self-help in metro cities that use a lot of groundwater is the same as in research in Africa which also uses groundwater as a source [13].…”

Section: Metro City Water Sourcementioning

confidence: 99%

Life Cycle Cost of Self-Supply Water in Metro City

2021

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Self-supply of drinking water is implemented in areas where the coverage of piped water services is inadequate, low incomes residents, and poor performance of piped water supply. The Life Cycle Cost (LCC) is a method of evaluating all costs incurred and is used to track the financing of the drinking water sector. This study analyses LCC of self-supply water in the Metro City, Indonesia. A field survey was conducted using a questionnaire in October 2020 for households in Metro City that captured information on costs incurred for household water use. It was observed that self-supply water uses in Metro City accounts for 92.86.30% of all water supplies. The average recurrent expenditure is Rp.224,344/ year with mean of capital cost is Rp.275,273. Most expensive cost for self-supply is borehole. High cost of borehole due deeper groundwater source, borehole use more pump electricity and higher drilling cost. This funding for selfsupply water is carried out independently by the households. These results highlighted the importance of self-financing for the water supply sector. Increased reliability and safety of self-supply require a better awareness of the costs and benefits of developing water sources. Furthermore, selfsupply water requires better governance to achieve safe water access.

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Section: Metro City Water Sourcementioning

confidence: 99%

Life Cycle Cost of Self-Supply Water in Metro City

2021

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“…Wegmann and Mußhoff (2019), Horo (2020) and Dubey and Palmer-Jones (2006) mentioned that universities and educational institutes’ collaboration would help to undertake structured social-economic research in the field of migration, i.e. environmental research, mental health and socio-economic conditions of slum dwellers, to study the patterns of migrations and their profiles, and the motive of the migrations and their settlement in Bengaluru.…”

Section: Structured City-specific Planning Based On Alternative Scena...mentioning

confidence: 99%

Dynamic interaction of urban development and rural–urban migration: an application of integrated urban metabolism analysis tool (IUMAT) for sustainable city planning

Roy

Viswanathan

2021

DPRG

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Purpose This study aims to gauge the effect of rural–urban migration and its challenges on the urban development of Bengaluru. This study examines the driving forces behind urbanization and its impact on social, economic and environment areas. The research helps to establish the sustainable city planning, after evaluation of specific challenges of zones, and this mitigation will optimize government investment and reduce cost. Design/methodology/approach Bengaluru is used as a study area to examine the interaction of migration and urban development. The study covers the period between 2011 and 2019. Panel data analysis is applied to measure the effect of urban development indicators on urban migration. The authors applied the integrated urban metabolism analysis tool to quantify the urban development indicators and identified the most critical areas for migrants. Later, authors proposed mitigation measures based on alternate scenario approach. Findings The authors found that there is a mixed effect of urban migration on urban development across various zones in Bengaluru. Besides, the authors suggest how planned collaboration should play a significant role in urban planning and optimize city planning judiciously. Effective mitigation measures should be developed based on zone-specific core issues, and practical trainings, research, public awareness campaigns and skill up-gradation of migrants would enhance the socio-economic and environmental conditions. Research limitations/implications The study will support the ongoing and upcoming initiatives launched by the Government of India i.e. Awas Yojna, Atmanirbhar Bharat and Swach Bharat. Practical implications The structured city planning suggested in the study will help to save wastage of resources and cost and time of developers and policymakers. This will also help to upgrade the status of migrants and enhance the ambience of city around social, economic and environment fronts. Originality/value The first of its kind of innovative model mapped in the study area establishes a link between strategic city planning under rural–urban migration and urban development.

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“…Primary data from well logs collected by local hydrogeological consultants, farmers and borewell drillers were used to determine well depths and water levels on the city scale over time [29][30][31]. Data comprised drilling depth, position (GPS/addresses), date, recorded static water level, and pumping yield.…”

Section: Reproducing Historical Groundwater Table Development Of Bengaluru Citymentioning

confidence: 99%

Deep Drilling for Groundwater in Bengaluru, India: A Case Study on the City’s Over-Exploited Hard-Rock Aquifer System

Kulkarni

Gaßmann

Kulkarni³

et al. 2021

Sustainability

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Over-exploitation of groundwater in India’s fastest-growing metropolis, Bengaluru, has resulted in wells being bored to unprecedented depths in a crystalline-rock aquifer. However, key questions about sustainability of this extraction process remain unaddressed due to the complexity of monitoring. Using primary surveys, this study looks at the spatio-temporal evolution of the wells on a city scale, finding that catchments with deficient water infrastructure have deeper wells. To maintain yields, well with depths >400 m are drilled, especially since 2000, leading to unsustainable groundwater extraction. Camera inspections in 54 wells at Electronic City in 2016 and 2017 revealed that water levels in the majority of the wells remained lower at depths <100 m, although some wells had deeper water levels at depths >250 m. Analysis of δ18O and δ2H signatures of groundwater samples at all depths followed the local meteoric water line indicating recent recharge, implying that drilling deeper only increases the borehole volume and does not tap into newer water sources. Water levels in deeper wells may stabilize at lower depths, are subject to high spatial variability, density of drilling, and high connectivity in upper zones. Given the interconnectedness between shallow and deeper aquifers, our research shows that increasing borewell depths could be a good indicator for falling aquifer water levels. This study fills an important gap in peri-urban, intermediate-scale aquifer conceptualizations across different land uses and provides further evidence for the difficulties of reliable groundwater monitoring in the over-exploited hard-rock aquifers of Bengaluru city.

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Groundwater management institutions in the face of rapid urbanization – Results of a framed field experiment in Bengaluru, India

Cited by 8 publications

References 40 publications

Life Cycle Cost of Self-Supply Water in Metro City

Life Cycle Cost of Self-Supply Water in Metro City

Dynamic interaction of urban development and rural–urban migration: an application of integrated urban metabolism analysis tool (IUMAT) for sustainable city planning

Deep Drilling for Groundwater in Bengaluru, India: A Case Study on the City’s Over-Exploited Hard-Rock Aquifer System

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