Chapter 14-Erosion

Steps of erosion

1. Detachment, 2. Transportation, and 3. Deposition

Types of Erosion

Splash erosion, water erosion, and wind erosion

Types of water erosion

Sheet, rill, and gully

Water erosion control

Cover crops, contour cultivation strip cropping, terraces, and grassed waterways

Types of wind erosion

suspension, saltation, and creep

Wind erosion control

soil moisture, cover crops, and wind barries

What is CRP?

Conservation Reserve Program

What is the soil loss equation

USLE A=RKLSCP

What does A stand for in A=RKLSCP? soil loss equation

Annual soil loss

What does R stand for in A=RKLSCP? soil loss equation

Rainfall

What does K stand for in A=RKLSCP? soil loss equation

Erodibility

What does L stand for in A=RKLSCP? soil loss equation

Slope length

What does S stand for in A=RKLSCP? soil loss equation

Slope steepness

What does C stand for in A=RKLSCP? soil loss equation

Crop cover

What does P stand for in A=RKLSCP? soil loss equation

Practices to prevent erosion

What is WEQ?

Wind Erosion Equation

What are the variables of WEQ?

E=ICKLV

What does E stand for in E=ICKLV?

annual soil loss

What does I stand for in E=ICKLV?

Erodability factor

What does C stand for in E=ICKLV?

Climate

What does K stand for in E=ICKLV?

surface roughness

What does L stand for in E=ICKLV?

field width

What does V stand for in E=ICKLV?

vegetation