Exam 11: Fresh Water: Streams, Lakes, Ground Water, and Wetlands

Artesian aquifers ____.

Stream energy that is directed toward the stream's banks causes ____________________ erosion.

If you drill down in the Earth to a body of rock or soil that can yield economically significant quantities of water, what specific water resource have you utilized? ______________________

Explain the type of sediments that comprise braided streams and discuss the sources of these sediments.

If you were paddling in a stream and it slowed down, the bed load would deposit into the river before the suspended load would.

If you were a geologist looking for petroleum reservoirs, what specific type of bedrock would you look for?

Explain how alluvium contributes to the formation on new landforms and provide an example of a landform it makes.

Discuss why oligotrophic lakes are so blue and address its nutrient levels.

If you visited a cavern where water dripped from the ceiling, you would expect to see stalactites form on the ceilings of caverns.

Most of Earth's freshwater (in liquid, frozen, or gas form) is contained in ____.

Sedimentary rocks are ____.

When a lake experiences turnover, nutrients are brought to surface from the bottom and this helps restore productivity in the lake.

If your house is built on limestone or above a cavern and the rock layers or roof of the cavern collapse, what specific karst feature has formed under your home?

Which specific rock type is an excellent aquitard? ________________

If you were standing on the banks of a river where gravel had accumulated, what specific type of river feature would you be standing on? ___________________________

Explain why a graded stream profile will not change.

A geologist would expect an unconfined aquifer to rise above the water table during extremely wet years.

V-shaped stream valleys are common in steep mountain environments.

Explain how natural wetland loss can occur by both human and natural causes and discuss two ways humans contribute to natural wetland loss.

Water evaporates directly from plants as they breathe in a process called ____________________.