Exam 19: A Hidden Reserve: Groundwater

You have a choice to drill your water well into a more shallow unconfined aquifer or a deeper artesian aquifer.Drilling deeper will cost more money,however you chose to drill into the artesian aquifer.Why?

An artesian well is one that ________.

Sinkholes are a concern primarily for residents whose dwellings are constructed atop ________.

Consult the figure below.Where is the hydraulic head the highest and why?

In the figure below,where would be the best place to locate a well that would supply the most water?

As a rule,groundwater always flows from areas of ________.

If an intrusive igneous rock is unfractured,it serves as a(n)________ in local hydrogeology.

An aquifer can have ________ porosity and ________ permeability but not ________ porosity and ________ permeability.

You are drilling a water well when you hit water at a much more shallow level than you expected.What have you likely found?

In unfractured,permeable rock and sediment,water molecules usually take a ________ path.