Hydrology Review

Front

What is porosity?

Back

Porosity is the measure of the void spaces in a material, expressed as a percentage of the total volume. It indicates how much water a soil or rock can hold.

Front

Which type of soil has the greatest porosity?

Back

Pebble soil has the greatest porosity compared to other types of soil like sand or bedrock.

Front

What processes are responsible for the decrease in height of mountains over time?

Back

Weathering and erosion are the primary processes that lead to the gradual decrease in height of mountains.

Front

Where are Karst caves most commonly found in Virginia?

Back

Karst caves are most abundant in the Valley and Ridge region of Virginia.

Front

What is the role of glaciers in the water cycle?

Back

Glaciers store fresh water and release it slowly into the water cycle as they melt.

Front

What is an aquifer?

Back

An aquifer is a layer of sediment or rock that can store and transmit groundwater.

Front

What is the water table?

Back

The water table is the upper surface of the zone of saturation in the ground, where the soil or rock is fully saturated with water.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks and minerals into smaller particles through physical, chemical, or biological means.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural forces such as wind or water.

Front

What is sedimentation?

Back

Sedimentation is the process of settling or being deposited as sediment, often in bodies of water.