Use of water quality index to evaluate the influence of anthropogenic contamination on groundwater chemistry of a shallow aquifer, Loures valley, Lisbon, Portugal
SILVA, M.C.R.; ALBUQUERQUE, M.T.D.; RIBEIRO, L. (2010) - Use of water quality index to evaluate the influence of anthropogenic contamination on groundwater chemistry of a shallow aquifer, Loures valley, Lisbon, Portugal. In PALIWAL, B.S. (ed.) - Global groundwater resources and management. Jodhpur : Scientific Publishers. ISBN:978-8172336196. p. 347-362
978-8172336196
Title
Use of water quality index to evaluate the influence of anthropogenic contamination on groundwater chemistry of a shallow aquifer, Loures valley, Lisbon, Portugal
Subject
Groundwater contamination Water quality indices Decision making Multivariate data analysis Factorial correspondence analysis Kriging
Date
2012-10-31T11:56:25Z 2012-10-31T11:56:25Z 2010
Description
A significant industrial development, associated with a demographic
expansion, occurred during the last decades of the XX century, in Loures valley, a region
located in the vicinities of Lisbon, the capital city of Portugal. This was accompanied
with an important modification of land use and occupation patterns, mainly the decrease
of the agricultural land.
One of the main consequences was the deterioration of the groundwater chemistry
observed in the shallow aquifer associated to Trancão river, a subsidiary of Tagus river.
Factorial Correspondence Analysis has been used to build a water quality index, for
evaluating the impact of the anthropogenic factors on groundwater of the shallow aquifer.
By analysing the kriged maps of the values of the index, it was possible to identify the
areas more sensitive to the anthropogenic impact.
