Influence of land use changes on submarine groundwater discharge

Martí Rufí-Salís, Jordi Garcia-Orellana*, Gerard Cantero, Jordi Castillo, Almudena Hierro, Joan Rieradevall, Joan Bach

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Abstract

The 20th century has been characterized by an exponential population growth, with a high density in coastal zones. The aim of this work is to study the impact of land use changes on the hydrological cycle, and possible consequences in marine environment. The study has focused on the relationship between coastal urbanisation and submarine groundwater discharge (SGD) that may cause an alteration in the biogeochemical cycles of marine ecosystems. An analysis of land use changes, historical salinities and nutrients data in the Maresme (Barcelona) coastal zone have revealed that the percentage of urban and forest zone land use has increased since 1990, corresponding to a decrease of nutrients in coastal waters through SGD. These impacts may cause changes in coastal biogeochemical cycles, like the decrease in chlorophyll concentrations. Results denote the correlation between land use, coastal aquifer dynamics and the effects of SGD in coastal environments.

Original languageEnglish
Article number031005
JournalEnvironmental Research Communications
Volume1
Issue number3
DOIs
Publication statusPublished - 30 Apr 2019

Keywords

  • Biogeochemical cycles
  • Groundwater
  • Land use
  • Submarine groundwater discharge
  • Urbanization

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