EnE320 Quiz 3

What is hydrogeology?

• The study of the movement and quality of surface water in rivers and lakes.

• The study of the movement and quality of groundwater in the Earth's subsurface.

• The study of the movement and quality of groundwater on the surface of the Earth

• The study of the movement and quality of air in the Earth's subsurface.

Tags

NGSS.MS-ESS3-1

What is the phreatic zone?

• The region below the Earth's surface where all the pores and fractures are filled with air.

• The region above the Earth's surface where all the pores and fractures are filled with water.

• The region below the Earth's surface where all the pores and fractures are filled with water.

• The region above the Earth's surface where all the pores and fractures are filled with air.

Tags

NGSS.HS-ESS2-5

What is seepage water?

• Water that flows rapidly through the subsurface.

• Water that flows slowly through the subsurface.

• Water that flows only on the surface of the Earth.

• Water that flows in the atmosphere.

Tags

NGSS.HS-ESS2-5

What is effective porosity?

• The total amount of pore space in a rock, regardless of whether or not the pores are interconnected.

• The percentage of interconnected pore space available for groundwater flow.

• The amount of water that can flow through a rock.

• The volume of the voids in a rock divided by the total volume of the rock.

Tags

NGSS.HS-ESS2-5

What is total porosity?

• The total amount of pore space in a rock, regardless of whether or not the pores are interconnected.

• The percentage of interconnected pore space available for groundwater flow.

• The amount of water that can flow through a rock.

• The volume of the voids in a rock divided by the total volume of the rock.

What factors affect the porosity of sedimentary rocks?

• Wind speed, direction, and humidity

• pH, salinity, and conductivity

• Temperature, pressure, and elevation

• Grain size, particle shape, and arrangement

What is the laboratory method for measuring porosity?

• Measuring the total volume of a rock or sediment sample and dividing it by the volume of water displaced by the sample.

• Drying a rock or sediment sample in an oven at 105°C and then submerging it in a known volume of water.

• Measuring the flow rate of water through a rock or sediment sample using Darcy's Law.

• Measuring the temperature and pressure of a rock or sediment sample using specialized equipment.

What is Darcy's Law?

• The law that states the rate of flow of groundwater through a porous medium is directly proportional to the hydraulic gradient and the hydraulic conductivity of the medium, and inversely proportional to the distance between two points.

• The law that describes the movement of water in rivers and lakes.

• The law that governs the behavior of air in the Earth's subsurface.

• The law that describes the relationship between temperature and pressure in the Earth's subsurface.

How can hydrogeologists predict the impacts of changes in land use, climate, and water use on groundwater resources?

• By drilling wells and measuring water levels and flow rates.

• By analyzing water chemistry.

• By using mathematical models to simulate groundwater flow.

• All of the above.

Tags

NGSS.HS-ESS3-5

What is hydraulic head in hydrogeology?

• The potential energy of groundwater in an aquifer.

• The rate of groundwater flow in an aquifer.

• The depth of groundwater in an aquifer.

• The porosity of the sediment and rock in an aquifer