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Erosion control
Erosion
24
Environmental Studies
9th Grade
09/21/2015

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Cards

Term
Geologic erosion
Definition
soil erosion that takes place naturally without human influence
Term
Accelerated erosion
Definition
more destructive than natural ( 100 times more ) more rapid and rates are greater
Term
Wind erosion
Definition
Involves loose dry particles being carried by moving air
Term
Runoff water
Definition
that flows over the ground surface rather than soaking into ground
Term
Sheet erosion
Definition
ocxuree when surface water or wind peel off fairly thin sheets or layers of soil
Term
rill erosion
Definition
Erosin by running water in small channels
Term
Gully erosion
Definition
Occurs when rivulets or fast flowing water join together to cut wider and deeper ditches or gullies
Term
Sand blows
Definition
when the wind removes sand an soil
Term
Splash erosion
Definition
types of erosion caused by raindrops
Term
Vegetative erosion
Definition
Using plants to save the eroded soil
Term
Cover crops
Definition
Plants such as rye alfafa or clover that can be planted immediately after harvest to hold an protect soil
Term
Crop rotation
Definition
system of growing a differnet crop in a field each year to preserve the fertility of the land
Term
Strip cropping
Definition
cultivation of crops in strips following the contours of the land to minimize erosion
Term
Grassland waterways
Definition
soil conservation method growing vegetation along drainage
Term
Contour  farming
Definition
planting along the natural contours of the land to reduce soil erosion
Term
Terraces
Definition
step like ledges cut into mountains to make land suitable for farming
Term
Windbreakers
Definition
Row of large trees or bushes planted between fields to help block the wind and prevent soil erosion
Term
Shelter belts
Definition
soil protection provided by rows of planted vegetation between strips
Term
Berm
Definition
Platform of wave deposited sediment that is a flat or slopes slightly landward
Term
Waterways
Definition
a geographic features that allow to travel water
Term
Sediment basin
Definition
small ponds designed to hold runoff from construction sites so that sediment can settle out
Term
Sodding
Definition
method of lawn installation that used strips to live growing grass it produces an immediate effect on the landscape but is more costly than seeding
Term
Mulching
Definition
covering the ground around favored plants with light blocking material to prevent need growth
Term
Reclamation plan
Definition
laying out the steps that will be taken to restore an area to usefulness after exploitation
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