La Loire, de la Maine à la mer
Observations et suivis environnementaux
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Débit de la Loire : 295 m3/s source : https://www.vigicrues.gouv.fr/
Coefficients des marées : 70 / 70 source : https://www.shom.fr/
La Loire, de la Maine à la mer
Observations et suivis environnementaux
Webcam : l’estuaire en direct
(dossier articles)
Changes in chemical and 87Sr/86Sr signature distribution patterns of suspended matter and bed sediments in the upper Loire river basin
1. Introduction
2. Location and description of the Loire water-shed
3. Sampling and analysis
3.1. SPM and BS sampling
3.2. Major- and trace-element determination and isotopic measurements
4. Results and discussion
4.1. Variations in SPM concentrations
4.2. Mineralogical composition
4.3. Chemical composition: main feature and variations with the Loire river flow
4.4. Isotope systematics: presence of authigenic calcite in the SPM of the Loire river
4.5. Estimation of solid matter flow
5. Conclusion
Acknowledgments
References