The traditional impermeable hardening retaining wall cut off the exchange of material, energy and information between rivers and coasts, and hinder the mutual supply between river and groundwater.

传统的不透水性硬化挡墙切断了河道与岸边之间的物质、能量及信息的交换，阻碍了河道水体与地下水体的相互补给。

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Cement forms an extremely strong, effectively impermeable, seal from a thin slurry that can be pumped pretty easily anywhere, and is the ideal material for this purpose ( Cementing).

FORBES: The Fracking Solution Is A Good Cement Job