learn.howToCalculate
learn.whatIsHeading
Soil erosion rates depend on slope, rainfall, vegetation cover, and soil properties. Excessive erosion reduces productivity and causes sedimentation.
Formel
R = rainfall erosivity, K = soil erodibility, L/S = slope factors, C = cover, P = practice factors
- R
- rainfall erosivity — rainfall erosivity
- K
- soil erodibility — soil erodibility
- L
- slope factors — slope factors
- S
- slope factors — slope factors
- C
- cover — cover
- P
- practice factors — practice factors
Trin-for-trin guide
- 1Universal Soil Loss Equation (USLE): A = R × K × L × S × C × P
- 2R = rainfall erosivity, K = soil erodibility, L/S = slope factors, C = cover, P = practice factors
- 3Units: tonnes/hectare/year; 0.5-10 typical; >5 considered excessive
Løste eksempler
Input
Bare slope, R=100, K=0.5, LS=2, C=1, P=1
Resultat
A = 100 tonnes/ha/year (severe erosion)
Vegetation urgently needed
Almindelige fejl at undgå
- ✕Ignoring erosion impact until productivity loss evident
- ✕Assuming grade alone predicts erosion (vegetation crucial)
Ofte stillede spørgsmål
How does vegetation prevent erosion?
Roots bind soil, canopy reduces raindrop impact, litter protects surface. 90%+ cover reduces erosion dramatically.
Is soil erosion always bad?
Slight erosion natural, but excessive causes loss of fertile topsoil, sedimentation, and productivity decline.
Klar til at beregne? Prøv den gratis Soil Erosion-beregner
Prøv det selv →