Confined and Unconfined Aquifers 2023/2024 already passed

Confined and Unconfined AquifersUnconfined - correct answer Aquifer is not fully saturated and is measured by the water table Confined - correct answer Aquifer is completely saturated with water for the full thickness of the aquifer. The water level is higher than the top of the aquifer. POTENTIOMETRIC SURFACE is the hydraulic head of a confined aquifer. Artesian aquifer - correct answer Confined aquifer where the potentiometric surface is higher than the land surface. Meaning that there is water on the surface. Perched water table - correct answer Unconfined aquifer not connected to a regional aquifer Steady flow in a confined aquifer - correct answer - Q does not change -flow direction is the sign -(dh/dl) -Flow rate is the same throughout the aquifer - Thickness of the aquifer is b Equation: Q= kb(dh/dl) x Width Steady flow in an unconfined aquifer - correct answer - WT is upper boundary of saturated thickness -WT slopes downward -Saturated thickness varies -Assume that there is no recharge at the water table -Q through the lede side of the aquifer EQUALS Q through the right side - Hydraulic gradient increases with flow