Evidence for a recent increase in delivery of atmospheric 210Pb to Oualidia lagoon, coastal Morocco

Calculating the Dose Rate of Natural Radioactivity in Vegetables from an Agricultural Area, El Jadida, Morocco

“…Similarly, vegetable leaves under investigation show high activity concentrations of Pb-210 ranging from 7.74 to 24.31 Bq.kg −1 which may be attributed to the decay of the radioactive Rn-222 and subsequent fallout of its related decay products such as 210 Pb. Indeed, it was reported by Laissaoui et al (2018) [13] in the surrounding area that high activities of Pb-210 were detected in Oualidia lagoon sediments mainly in superficial layers which were resulting from radioactive Rn-222 decay that showed periodic important concentrations in the overlying atmosphere.…”

Study of Morphodynamic and Sedimentological Changes in the Oualidia Lagoon (Morocco) Using Bathymetric Data: First Investigations After the Sediment Trap Dredging

“…This lagoon was classified by the Ramsar Convention as a protected area of international importance in 2005. Numerous studies have been done on the Oualidia lagoon in various fields of study, such as coastal integrated management, the pollution by heavy metals, modeling of the sediment exchange sea-lagoon using physical, geological, and biological samples (Bouchkara et al, 2021;Daghor et al, 2016;El Asri et al, 2015;El Khalidi et al, 2011;Hennani et al, 2014;Hilmi et al, 2009;Khoukhouchi et al, 2018;Laissaoui et al, 2018;Maanan et al, 2014;Makaoui et al, 2018;Mejjad et al, 2020aMejjad et al, , 2020bMejjad et al, , 2018Mejjad et al, , 2016Natij et al, 2014;Zourarah, 2002;Zourarah et al, 2007).…”

Transfer of40K,226Ra and210Pb from soil to plants in various locations of El-Jadida agricultural area (north-western Morocco)

“…In the El Jadida region of northwest Morocco, almost all soil research has focused on evaluating the concentration of heavy metals and soil quality [14][15]. In contrast, studies focusing on the analysis of radionuclide concentrations in the El Jadida area and surrounding areas use sediments as quantification of the concentration of radioactive elements (such as Pb-210; K-40; Cs-137, Ra-228) and for establishing The pollution history of these elements, heavy metals and rare earth elements [16,17,18,19,20,21,22,23]. Thus, the present study is the first assessment of radionuclides concentrations in El Jadida's agricultural areas aiming at identifying and quantifying the radionuclides concentration and their Tfs from soil to plant.…”