Freshwater Systems Pulse Check

What is an unconfined aquifer?

• An aquifer bounded by impermeable rock or clay above and below

• An aquifer that is open to the surface and is directly recharged by surface water

• An aquifer that contains water under pressure

• An aquifer that is artificially recharged by human activities

Which type of aquifer is bounded above and below by layers of impermeable material?

• Unconfined aquifer

• Confined aquifer

• Artesian aquifer

• Perched aquifer

What is the term for the area where water from precipitation and runoff is added to the groundwater system?

• Evapotranspiration

  zone

• Condensation zone

• recharge zone

• Infiltration zone

Which type of aquifer typically has water that is under pressure?

• Unconfined aquifer

• Confined aquifer

• Perched aquifer

• Artificial aquifer

Which of the following terms describes the amount and size of tiny holes within a rock formation?

• Porosity

• Permeability

• Precipitation

• Pollution

Which of the following is NOT a layer within a freshwater lake?

• Benthic

• Littoral

• Profundal

• Abyssal

What is the correct term used to describe the smaller rivers and streams that feed into a larger river?

• Precipitation

• Desalination

• Tributaries

• Water importation

In which type of aquifer can the water table rise to the ground surface, creating a spring?

• Confined aquifer

• Unconfined aquifer

• Perched aquifer

• Artesian aquifer

What is the term for the upper surface of the zone of saturation in an aquifer?

• Aquitard

• Aquiclude

• Water table

• Capillary fringe

What is the flat area near a river that floods periodically?

• Floodflat

• Flood area

• Floodplain

• Floodland