Grand Canyon
What state and country is the Grand Canyon located?
Arizona, USA
What beach suffers from erosion?
Sunset Beach
Where does wind erosion mainly occur?
In dry, sandy soils
Is soil erosion a slow or long process?
Soil erosion is typically a slow process
What are 3 things that can cause erosion?
Water, wind, and ice
What river runs through the Grand Canyon?
Coastal erosion
Which factors contribute to wind erosion?
Soil moisture and wind speed
Is soil erosion a naturally occurring process or is it human controlled?
Soil erosion is a naturally occurring process
What kind of water erodes land the most?
Fast-flowing water
How long has the Colorado River been carving away rock from the Grand Canyon?
The past 5-6 million years
What percent of beaches in Hawaii are eroding?
70%
What are the three types of erosion?
Surface creep, saltation, and suspension
What does soil erosion refer to?
Refers to the wearing away of a field's topsoil
Wind erosion can create what?
Sand dunes
How has the width of the Grand Canyon been gained?
Through the erosive action of water flowing down the Colorado River via tributaries
In 2013-2014, erosion and loss of land occurred infront of how many houses?
20 houses
How does wind erosion damage the land and natural vegetation?
By removing soil from one place and depositing it in another
What things does soil erosion reduce?
Soil erosion reduces cropland productivity and contributes to the pollution of adjacent watercourses, wetlands, and lakes
How can glaciers cause erosion?
Glaciers can cause erosion by scraping the land
How will erosion continue in the Grand Canyon?
As long as water from snow melt and rain continues to continues to flow in these side drainages
Why would building a seawall to protect the land be bad?
It would result in the loss of beaches
How can wind erosion be caused?
Wind erosion can be caused by a light wind that rolls soil particles along the surface through to a strong wind that lifts a large volume of soil particles into the air to create dust storms
What are some other serious soil degradation conditions that accelerate the soil process?
Oil compaction, low organic matter, loss of soil structure, poor internal drainage, salinization and soil acidity problems are all other serious soil degradation conditions
How is coastal erosion caused?
Coastal erosion is caused by waves and tides