Ausa river: a study-case towards the comprehension of natural processes and anthropic impacts
Organization:Istituto Tecnico Industriale Statale Malignani, Istituto Tecnico Industriale Statale Malignani, Istituto Tecnico Industriale Statale Malignani, Istituto Tecnico Industriale Statale Malignani
Student(s):Sara ANGELICO, Greta FOGAR, Leonardo IACOVINO, Federico ROSSI, Asia BURINI
Grade Level:Secondary School (grades 9-12, ages 14-18)
Report Type(s):International Virtual Science Symposium Report
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This project focused on the determination of the water quality of the river Ausa in Cervignano del Friuli (Italy), in order to study the trend of some parameters and to verify the compliance with environmental recommendations coming from European Directives and Italian laws. We decided to analyze both the river Ausa and its main tributary Taglio, in order to look for similarities between the two streams and to study how their characteristics vary seasonally at each station and along the axis, especially after the impact of the town.
We first gave a general characterization of the water using parameters such as temperature, pH and conductivity, then we focused on the amount of nitrates, because their excess can give eutrophication of the Marano and Grado Lagoon where our river flows into. Moreover, we performed a microbiological survey with E. Coli test, that is recommended as a measure of ambient recreational fresh water quality as its presence is related to faecal pollution.
Results of the campaign are significant, especially depicting a not-good quality of the river water. The data have been shared with local authorities. We will start with a new campaign after the planned engineering solutions will be realized.
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