PARBLEU: un modello empirico di qualità ecologica con valutazione dell'incertezza
Author(s)
Palomba, Francesca
Date Issued
July 13, 2017
Type
Doctoral Thesis
Abstract
River Basin District Authorities make use of water quality models in order to assess the environmental status of water bodies, in particular from a predictive point of view as a tool for the evaluation of different water management scenarios. Several models are available all over the world, but an empirical approach was chosen to follow, trying to avoid complex mechanistic models.
The current Italian procedure aiming to classify the ecological status of a watercourse employs the quality assessment of four biological elements with the support of some chemical and physical elements. Since many measures of the Directive 2000/60/CE affect the chemical and physical elements of the river, the Tiber River Basin Authority (TRBA) has designed an empirical model linking the anthropogenic pressures, the chemical and physical elements of impacts and river biological quality elements. The general model is named PARBLEU, which stands for Pressures/impacts/responses Assessment into River Basins Leading to Environmental Uses. But, in the present manuscript only a sub-model of PARBLEU (ecological sub-model concerning the interactions of Impacts on Water and Biota matrices) is discussed.
The aim of the present study was 1) to simulate the responses (and the associated uncertainty) on biological elements due to a hypothesized change of chemical and physical conditions. 2) to provide a user friendly tool, but sufficiently reliable, for the professionals, regional technical structures and Authorities.
Additional information
Dottorato di ricerca in Ecosistemi e sistemi produttivi
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