Loni, Tiziana (2016) Ecosistemi lacustri e ricadute atmosferiche: effetti sul chimismo delle acque e sui sedimenti in due laghi toscani. Doctoral Thesis.
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The aim of the thesis was to evaluate the effects of wet and dry deposition on two lakes of Tuscany: Massaciuccoli Lake (Lu) and Accesa Lake (Gr), lacustrine systems with very different characteristics in between them.
More specifically the study on the Massaciuccoli‘s basin was carried out by performing a monthly sediments sampling suspended in the water column, water, rain and particulate air pollution. Such monitoring were performed using in the water sediment’s traps to collect the suspension materials, the atmospheric sampling was carried out by installing dedicated deposimeters. On the Accesa lake there were made seasonal water monitorings and the system was studied by a carrot of sediment to a depth of 800 cm.
Specific chemical and isotopic analysis were then conducted on these samples, performed at the Institute of Geosciences and Earth Resources (IGG) of the National Research Council in Pisa laboratories.
The study was designed to: quantify and determine the matter’s flow resulting from atmospheric inputs; characterize physically and chemically lakes’ waters; characterize the suspended matter along Masaciuccoli basin’s water column and reconstruct the paleoenvironmental evolution by studying carrots’record of the Accesa lake. The proposed approach was the most appropriate and necessary to try to understand the dynamics and the evolution of ecosystems’ lake and their temporal changes.
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