The impact of climatic and vegetation conditions over the past 15 Ka on the chemical composition and 14C dating of groundwater from the Franconian Albvorland aquifer system is discussed. Seven groundwaters over a flow distance of Groundwater dating is made by 14C of dissolved inorganic carbon DIC and aqueous fulvic acid as well as 18O. No correction for geochemical processes is required, since under these geochemical conditions fulvic acid remains stable over this time period and flow-distance. On the other hand, 14C dating via DIC requires correction of the 14C value due to perturbation by different geochemical processes.
The Terrestrial Environment, A
The Terrestrial Environment, A - 1st Edition
The growth of the global population had led to a sharp increase in water demand in recent decades. The isotope method of groundwater dating has been used to estimate the average age of groundwater in wells. As dissolved inorganic carbon DIC is almost ubiquitous in groundwater, carbon is a widely used groundwater radiation dating technology. This study conducted the dating analysis of carbon and tritium in seawater using its characteristics of indication age, retrospective source and path. The results showed that the shallow groundwater in study area was modern water, suggesting that rainfall infiltration was the main source of groundwater recharge. However, the results of 14 C dating of groundwater sample in deep well were greater than , and the concentration of tritium in water samples were close to 0 TU, meaning that the deep groundwater extracted at present was not made by modern rainfall replenishment.
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Radiocarbon dating is a method that provides objective age estimates for carbon-based materials that originated from living organisms. The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century. Archaeology and other human sciences use radiocarbon dating to prove or disprove theories. Over the years, carbon 14 dating has also found applications in geology, hydrology, geophysics, atmospheric science, oceanography, paleoclimatology and even biomedicine.