General quality of surface water analysis in the Júcar watershed: 2000-2009 period

Abstract

This paper analyzes the quality of surface water in the Confederación Hidrográfica del Júcar, over the period 2000-2009. First, in a wide range of sampling points and at different times, the values for the General Quality Index (GQI) have been determiden from observed data on the physycal and chemical parameters defining the index. The results have allowed to evaluate the quality of surface water, regardless behavior of the general index based on their most important parametres allows to consider the specific indivual effect of each sampling point with more flexibility than classical regression methods.