Distribution characteristics and controlling factors of typical heavy metals in Huanghe River estuary, China

Spatiotemporal Distribution Characteristics and Influencing Factors of Dissolved Potentially Toxic Elements along Guangdong Coastal Water, South China

“…In general, the specific distribution of PTE in different seasons is affected by complex factors. Variations in physicochemical factors tend to influence the transportation, transformation, etc., of PTE [67]. However, the correlations between them were generally weak.…”

Molecular size-fraction and seasonal characteristics of dissolved trace metals in river and estuarine waters of the Yellow River, China

“…Studies have shown that factors such as DO, pH and temperature may affect the migration of elements in the particulate matter-organic matter mixed system (Lu et al, 2021). In addition, Fe, Mn, Cu, and Zn have long been thought to be closely related to phytoplankton growth (Huang et al, 2014;Han et al, 2021), while colloids Cd and Pb have been shown to possess seasonal variation characteristics (Lu et al, 2020;Lu et al, 2022). However, DO, an important biological indicator, did not show a significant correlation with each dissolved fraction of Fe, Zn and Pb in spring (Figure 7).…”

“…The studies of the basic morphology of metals in the aquatic system are usually carried out by filtration through a 0.2 mm, 0.45 mm or 1 mm pore size filter, and the trace elements are simply divided into two parts, i.e. dissolved and particulate phases (Zhou et al, 2016;Lu et al, 2022). However, the part considered to be dissolved contains many colloidal particles that are easily overlooked, and it plays a significant biogeochemical role in the aquatic environment (Guo and Santschi, 2007;Xu et al, 2018a;Xu et al, 2018b;Xu et al, 2018c).…”