Fractionation processes of δ13C in a soil-shallow groundwater system of a potential CO2 sequestration site: Wandoan, QLD, Australia

A Siller, H Hofmann, J Underschultz, K Baublys… - Applied …, 2018 - Elsevier
Near-surface leakage detection is often a crucial part of verifying the success of CO 2
sequestration projects, and it cannot be achieved without a detailed description of the
natural state of an operational site prior to injection. Without baseline studies, it is difficult to
define CO 2 anomalies outside natural variation in the subsurface that may be related to
leakage. CO 2 concentrations and δ 13 C-CO 2 values (of DIC, dissolved gas, and soil gas)
were investigated to establish a baseline modelling of natural chemical processes leading to …
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