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Dissolution of biogenic silica (BSi) in coastal environments is important for marine productivity. Understanding this process is central to assessing the global silicon cycle, which is closely linked to the global carbon cycle. BSi dissolution experiments were conducted to explore factors influencing this process, and to better understand the regeneration of silicic acid in Jiaozhou Bay sediments...
Temporal and spatial distribution of biogenic (BSi) and lithogenic (LSi) silica were studied in the Changjiang (Yangtze River) Estuary and its adjacent area. The annual average BSi and LSi concentrations were (1.71±1.79) µmol/L and (0.56±1.41) mmol/L, respectively. Both BSi and LSi were high in the inshore areas, where they received terrigenous discharge from the Changjiang, and decreased towards...
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