Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Groundwater quality trends in the Dupi Tila aquifer of Dhaka, Bangladesh: sources of contamination evaluated using modelling and environmental isotopes
Dhaka, capital of Bangladesh, is a megacity dependant on groundwater for the majority of its water supply, pumped from 420 boreholes distributed throughout the city. Recharge to the groundwater aquifer is insufficient to balance abstraction, groundwater levels are in decline and water quality is compromised by seepage from areas of urban and industrial contamination and leakage from polluted rivers. The strategic importance of the naturally high-quality groundwater resource demands a targeted programme of aquifer protection. Repeated surveys at over 100 boreholes demonstrate the patterns and trends of deteriorating groundwater quality. Groundwater modelling and environmental isotope distributions have been used independently to evaluate the significance of potential sources of pollution. Both approaches identify the polluted River Buriganga as the main threat to groundwater quality, indicating priorities for monitoring and aquifer protection.
Groundwater quality trends in the Dupi Tila aquifer of Dhaka, Bangladesh: sources of contamination evaluated using modelling and environmental isotopes
Dhaka, capital of Bangladesh, is a megacity dependant on groundwater for the majority of its water supply, pumped from 420 boreholes distributed throughout the city. Recharge to the groundwater aquifer is insufficient to balance abstraction, groundwater levels are in decline and water quality is compromised by seepage from areas of urban and industrial contamination and leakage from polluted rivers. The strategic importance of the naturally high-quality groundwater resource demands a targeted programme of aquifer protection. Repeated surveys at over 100 boreholes demonstrate the patterns and trends of deteriorating groundwater quality. Groundwater modelling and environmental isotope distributions have been used independently to evaluate the significance of potential sources of pollution. Both approaches identify the polluted River Buriganga as the main threat to groundwater quality, indicating priorities for monitoring and aquifer protection.
Groundwater quality trends in the Dupi Tila aquifer of Dhaka, Bangladesh: sources of contamination evaluated using modelling and environmental isotopes
Burgess, William Graham (Autor:in) / Hasan, Muhammed Kamrul (Autor:in) / Rihani, Emma (Autor:in) / Ahmed, Kazi Matin (Autor:in) / Hoque, Mohammad Abdul (Autor:in) / Darling, William George (Autor:in)
01.05.2011
21 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
The vulnerability of the Dupi Tila aquifer of Dhaka, Bangladesh
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