Regional spatial-temporal assessment of the sustainability of groundwater exploitation in the south of Portugal

Tibor Stigter, José Paulo Monteiro, Luís Nunes, Luís Ribeiro, Rui Hugman

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Citation (Scopus)


Groundwater was the main source for public supply in the Algarve, in the south of Portugal, until the end of the 20th century, after which it was replaced by surface water supplied by large reservoirs. The large drought that hit the region in 2004 and 2005 revealed the problems related to a water supply strategy based on a single source and stressed the need of an integrated water resource management (IWRM) scheme. Following a qualitative and quantitative screening of groundwater resources for integration into the public water supply system of the region, current work aims to address the regional quantification of groundwater availability in those aquifers that are available for public water supply. For this purpose the strengths and flaws of simple analytical water balance formulae to calculate annual aquifer storage volumes will be discussed. These calculations are validated with the help of a numerical finite-element groundwater flow model, and it is shown that their application is suitable for calculating available storage volumes in regions where groundwater models do not exist, as long as a conceptual hydrogeological model is developed.

Original languageEnglish
Title of host publicationGroundwater Quality Sustainability
EditorsPiotr Maloszewski, Stanislaw Witczak, Grzegorz Malina
Place of PublicationFlorida, USA
PublisherCRC Press
Number of pages10
ISBN (Electronic)9780203137659
ISBN (Print)9780415698412
Publication statusPublished - 1 Jan 2012
Externally publishedYes

Publication series

NameIAH - Selected Papers on Hydrogeology Ser.


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