piezometric head

Piezometric head is a measure of the pressure in a water source, like a well or underground aquifer, expressed as the height of a column of water. It combines the water's pressure energy and its elevation above a reference point. Think of it as the "amount of push" the water has due to pressure and height. This helps engineers and hydrogeologists understand how water flows underground and predict which way it will move, ensuring proper water management and well placement. Essentially, piezometric head indicates the energy level of water at a specific point in a groundwater system.