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Maltese islands could loose 16% of groundwater volume in the next 80 years

  • Maltese islands could loose 16% of groundwater volume in the next 80 years

About the entity

University of Malta
UM is composed of fourteen faculties, a number of interdisciplinary institutes and centres, three schools and a junior college. Besides the main campus, situated at Msida, there are three other campuses: Valletta, Marsaxlokk, Gozo.

The effects of changes in climate predicted until 2100 will result in a loss of more than 16% of groundwater volume on the Maltese Islands. This is the main outcome of a study carried out by scientists from the Universities of Calabria and Malta, in which three-dimensional geological and groundwater models were developed for the Maltese Islands.

Groundwater supplies almost half of the potable water in the Maltese Islands, which is one of the poorest countries globally in terms of water resources.

Three predicted effects were considered on the impact on groundwater volume and saltwater intrusion simulated for 80 years:

  • Reduction in precipitation, 
  • Increase in water demand 
  • Sea-level rise 

Of these effects, water demand plays the most important role in reducing groundwater volume. Sea-level rise, on the other hand, only plays a marginal role.

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