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Davila, P., & Külls, C. (2009). Combined application of 85-Kr, 39-Ar with CFCs in contaminated aquifers. EGU Geophysical Abstracts, , 1074.
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Külls, C., Marx, V., Bittner, A., Ellmies, R., & Seely, M. (2009). Environmental impacts on the hydrology of ephemeral streams and alluvial aquifers. In EGU Geophysical Abstracts (5517).
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Morin, E., Grodek, T., Dahan, O., Benito, G., Külls, C., Jacoby, Y., et al. (2009). Flood routing and alluvial aquifer recharge along the ephemeral arid Kuiseb River, Namibia. Journal of Hydrology, 368(1-4), 262–275.
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Klaus, J., & Külls, C. (2009). Integrating residence time data in mixing cell modeling-Application to the Lower Kuiseb Dune area. In EGU Geophysical Abstracts (11026).
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Robati, A., & Barani, G. A. (2009). Modeling of water surface profile in subterranean channel by differential quadrature method (DQM). Applied Mathematical Modelling, 33(3), 1295–1305.
Abstract: This study, investigates the hydraulic of flow in a subterranean channel headspring. The continuity and momentum equations of flow in porous media considering real conditions were used and the basic equation of flow in a subterranean channel was resulted. This equation is very similar to the spatially varied flow with increasing discharge. An equation, defining the hydraulic parameters of a subterranean channel section was adopted. Then differential quadrature method (DQM), was applied to the equation of flow in subterranean channel, consequently the water surface profile was resulted. To illustrate the rightness of model, the hydraulic parameters of flow in the Gavgard branch of the Joopar Goharriz Qanat were measured and the water surface profile was determined. This water surface profile was compared to the water surface profile computed by the model, which are in good agreement.
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