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Groundwater quality contrasts between Upper and Lower Dupi Tila Aquifers in Megacity Dhaka, Bangladesh
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Mark- och vattenteknik (flyttat 20130630), Miljögeokemi och ekoteknik.ORCID-id: 0000-0003-4350-9950
Vise andre og tillknytning
2011 (engelsk)Inngår i: Groundwater quality contrasts between Upper and Lower Dupi Tila Aquifers in Megacity Dhaka, Bangladesh: Proc. 7th International Groundwater Quality Conference, 2011, 71-74 s.Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Dhaka is one of the fastest growing megacities of the world and is set to become the third largest by 2025. Currently about 86% of the municipal water supply comes from over 500 wells drilled in the Dupi Tila aquifers underlying the city. The Upper Dupi Tila aquifer (UDTA) is overexploited and a large part has been dewatered; abstractions from the lower Dupi Tila started only recently. Results of water analysis and EC surveys have been used to decipher the variations in groundwater quality in the UDTA and LDTA. EC surveys reveal a systematic deterioration of water quality in the vicinity of the Buriganga River in southeast Dhaka. The UDTA is more widely affected by anthropogenic processes than the LDTA, which still largely exhibits its intrinsic water quality characteristics. Regular monitoring and proper management practices are essential to protect the quality of this precarious resource.

sted, utgiver, år, opplag, sider
2011. 71-74 s.
Serie
IAHS-AISH Publication, ISSN 0144-7815 ; 342
Emneord [en]
Dhaka megacity, urban, Dupi Tila aquifer, anthropogenic, pollution
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-87312ISI: 000298021100016Scopus ID: 2-s2.0-84860566857ISBN: 978-190716116-2 (tryckt)OAI: oai:DiVA.org:kth-87312DiVA: diva2:501615
Konferanse
7th International Groundwater Quality Conference, Zurich, Switzerland, 13-18 June 2010
Merknad

QC 20120423

Tilgjengelig fra: 2012-02-14 Laget: 2012-02-14 Sist oppdatert: 2014-09-08bibliografisk kontrollert

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Totalt: 106 treff
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