GROUNDWATER QUALITY DATA MANAGEMENT USING SPATIAL ANALYSIS INSTRUMENTS

10th International Multidisciplinary Scientific GeoConference - SGEM2010, www.sgem.org, SGEM2010 Conference Proceedings/ ISBN 10: 954-91818-1-2, June 20-26, 2010, Vol. 2, 15-22 pp

ABSTRACT

The groundwater quality survey can be made by using monitoring and analysis tools
that are able to manipulate time-series large datasets showing a spatial reference. Data
correlation with the spatial distribution of the hydrogeological structures is compulsory.

Within the urban environment the problem show a larger complexity because of the
infrastructure interaction.
Within the collaboration framework between several Spanish and Romanian institutions
a management, analysis, and modeling hydrogeological platform for urban areas is
developed. The end-user is the Catalan Water Agency (ACA). A part of this platform is
represented by a set of instruments called QUIMET. This focuses the management and
the analysis of the groundwater chemical parameters. This set of tools has been build on
the basis of the data-sets characterizing the groundwater media of the Barcelona city
and surroundings.

The developed set of instruments allow the chemical time-series
analysis and
visualization by using specific hydrochemical diagrams (Wilcox, Piper, etc) to which
the spatial component is added. In this manner, maps showing the spatial distribution of
various chemical parameters as well as maps illustrating specific hydrochemical
parameters distribution (eg. Stiff diagram) can be generated.

Keywords: groundwater quality, geochemistry, hydrogeological modeling, geospatial databases, Geographical Information Systems.