Les sables du littoral adriatique

Les sables du littoral adriatique

Jessica Valenti

82,85 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2021
Materia
Ciencia: cuestiones generales
ISBN:
9786204114552
82,85 €
IVA incluido
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La caractérisation géochimique des sédiments est un outil important dans les études paléoenvironnementales pour découvrir la provenance des sédiments, l’altération de la zone source, l’histoire post-déposition et les conditions physico-chimiques paléoenvironnementales. En outre, les études de caractérisation sont essentielles pour évaluer l’état de contamination d’un site. Grâce à la spectrométrie de fluorescence à rayons X, les analyses de sables et de sédiments fluviaux, échantillonnés dans 51 stations de la lagune de Venise à Cattolica, ont permis de déterminer l’état de l’environnement dans la zone d’étude. Grâce à des comparaisons avec des ensembles de données historiques sur les sables provenant d’études précédentes, des changements dans la composition des échantillons collectés ont été observés par rapport aux sites plus anciens, ce qui a permis de faire des considérations sur l’évolution paléoenvironnementale de la zone d’étude et l’origine des sédiments. En utilisant des traceurs géochimiques spécifiques, trois principaux systèmes d’alimentation ont été identifiés : les sédiments d’origine du Pô, les sédiments d’origine apennine et les sédiments provenant des roches dolomitiques des Alpes orientales.

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