19 Questions
What factor contributes to increased infiltration of water in low lying ground?
Long contact time with dirt
How does vegetation affect the infiltration rate?
Increases infiltration rate
Why does rain falling slowly enhance infiltration?
Gives time for water to infiltrate further down
Which material allows almost no infiltration of water?
Granite
Why does limestone have high permeability?
High porosity with well-connected air spaces
What property of sand contributes to easy water infiltration?
Large interconnected air spaces between grains
Why does clay have low permeability despite having high porosity?
Flat grains that do not readily connect air spaces
In what way does vegetation aid in increasing infiltration?
Allows water to seep down along roots
What characteristic makes sand highly permeable?
Large interconnected air spaces between grains
Why is limestone able to hold large amounts of water?
High porosity with well-connected air spaces
Why does low lying ground increase the infiltration of water?
Because the water stays in contact with the dirt longer
What effect does decaying organic matter have on infiltration rate?
Increases infiltration rate
Why does sand allow for easy water infiltration?
Because individual grains of sand do not pack tightly, leaving interconnected air space
What characteristic of clay contributes to its low permeability?
Flat and stacked grains with little porosity
How does limestone differ from granite in terms of water infiltration?
Limestone has high permeability while granite allows almost no infiltration
What property of low lying ground contributes to increased water infiltration?
Longer contact time between water and soil
In what way does vegetation increase infiltration rate?
By allowing water to seep down along roots into the soil
What effect does rain falling slowly have on water infiltration?
Provides time for water already in the soil to infiltrate further down
Why is sand highly permeable compared to other materials?
Sand has individual grains that leave lots of interconnected air space between them
Test your knowledge about the runoff and infiltration processes in the water cycle. Learn about how water moves through the Earth's surface and underground. Explore the different forms of water and its journey from clouds to precipitation.
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