Abstract
In this study, the experiments were carried out on saturated homogeneous loess under steady-state flow at a specific pore water velocity to investigate the movement of Sr2+ using bromide as a tracer. The vertical concentration distribution of Sr in column was obtained, which was used to compute the retardation coefficient. The results from column displacement experiment suggested that maximum of concentration is located in 11.25 cm. Then the retardation coefficient was calculated and its value is 238.8. The computer code (HYDRUS-1D) was applied to fit the breakthrough curve of bromide. And by solving inverse problem of the convection dispersion equation, the relative parameters were obtained. Through numerical simulation, the inverse estimated Rd was closer to the result of column experiment. The Rd calculated by velocity of Sr2 +  and Br− was more sensible.
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Huo, L., Yang, G., Qian, T., Chen, Y. (2011). Transport of Sr through Saturated Loess Soil. In: Yu, Y., Yu, Z., Zhao, J. (eds) Computer Science for Environmental Engineering and EcoInformatics. CSEEE 2011. Communications in Computer and Information Science, vol 158. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22694-6_34
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DOI: https://doi.org/10.1007/978-3-642-22694-6_34
Publisher Name: Springer, Berlin, Heidelberg
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