Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/112024
Título: 226Ra, 228Ra and 40K as tracers of erosion and accumulation processes: A 3-year study on a beach with different sediment dynamics
Autores/as: Arriola Velásquez, Ana del Carmen 
Tejera Cruz, Alicia María 
González Guerra, Jonay 
Geibert, W.
Stimac, I.
Cámara, F.
Alonso Hernández, Héctor 
García Rubiano, Jesús 
Martel Escobar, Pablo 
Clasificación UNESCO: 250618 Sedimentología
Palabras clave: Beach
Coastal Sediments
Erosion/Accumulation
Radionuclides
Tracers
Fecha de publicación: 2021
Publicación seriada: Catena 
Resumen: The aim of this study is to analyse the role of natural radionuclides 226Ra, 228Ra, 40K and unsupported 210Pb (210Pbex), as erosion and accumulation process tracers. For this purpose, a complex system, including both the characteristic dynamics of a closed beach and those associated with a beach open to wave action, was studied. A 3-year study of monthly variation of 226Ra, 228Ra, 40K and 210Pbex was carried out at Las Canteras beach, on the Island of Gran Canaria (Spain), covering several erosion and accumulation periods. A correlation analysis, ANOVA test and Tukey's Honestly Significant Difference (HSD) Test proved that the marine erosion and accumulation agents influenced the activity concentration values found for the different radionuclides. Moreover, the geochemical analysis of samples from maximum and minimum activity concentration values showed that the natural radionuclides studied could be suitable tracers for studying beach sediment dynamics in erosion and accumulation periods.
URI: http://hdl.handle.net/10553/112024
ISSN: 0341-8162
DOI: 10.1016/j.catena.2021.105705
Fuente: Catena [ISSN 0341-8162], v. 207, 105705, (Diciembre 2021)
Colección:Artículos
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