Percorrer por autor "Viegas, João"
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- Re-Assessing coastal groundwater management policy in the Algarve: estimating the potential for seawater intrusionPublication . Hugman, Rui; Viegas, João; Gois, António; Costa, Luis; Monteiro, José Paulo; Stigter, TiborGroundwater supplies about 70% of the fresh water needs in Portugal with most of the aquifers occurring at the coastline, where more than 60% of the whole population dwells. The overexploitation of groundwater resources during the final decades of the 20th century, lead to a gradual decrease in water quality in many coastal aquifers of the Algarve, the southernmost region of Portugal.