土壤與地下水污染題庫1. Please explain the reason why the hydraulic gradient becomes steeper, forming a characteristic lowering of the water table or potentiometric surface (also called cone of depression) as the water approaches the borehole. (hints: using the Darcys law)2. The movement of a contaminant through a natural system, such as an aquifer, is controlled by transport mechanisms. Please list and clarify these mechanisms.3. Adsorption and desorption of organic molecules in soils in controlle
