Study of the salinity of groundwater in the HAHA syncline by the Kohonen self-organized classification (Essaouira, Morocco)

Environ Sci Pollut Res Int. 2022 Feb;29(9):13592-13611. doi: 10.1007/s11356-021-16598-0. Epub 2021 Sep 30.

Abstract

The coastal aquifer of the Essaouira syncline (Morocco) was studied to identify the main processes at the origin of the salinization of groundwater. In fact, a multicriteria analysis approach on hydrochemical data and physicochemical parameters of the Plio-Pleistocene aquifer was used to understand their spatio-temporal variation and their origins. Currently, integrated water resource management has become paramount to both local, regional, national, and international. This management is favored by extreme hydrological events (droughts or floods) which can have direct influences on human, economic, and political aspects. Appropriate management of a resource requires its evaluation. The statistical study by Kohonen's self-organized classification (SOM) of hydrochemical data for the years 1995 and 2009 is used to process 47 samples distributed over the Haha region; it showed an evolution of the values of the parameters. Physico-chemical is a function of time and space with an increase in the values of the parameters, from the center of the study area towards the southwest.

Keywords: ACP; Aquifer; Contamination; Essaouira; Kohonen classification; Plio-Pleistocene.

MeSH terms

  • Environmental Monitoring
  • Groundwater*
  • Humans
  • Morocco
  • Salinity
  • Water Pollutants, Chemical* / analysis

Substances

  • Water Pollutants, Chemical