learn.howToCalculate
learn.whatIsHeading
Soil erosion rates depend on slope, rainfall, vegetation cover, and soil properties. Excessive erosion reduces productivity and causes sedimentation.
الصيغة
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
دليل خطوة بخطوة
- 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
أمثلة محلولة
الإدخال
Bare slope, R=100, K=0.5, LS=2, C=1, P=1
النتيجة
A = 100 tonnes/ha/year (severe erosion)
Vegetation urgently needed
أخطاء شائعة يجب تجنبها
- ✕Ignoring erosion impact until productivity loss evident
- ✕Assuming grade alone predicts erosion (vegetation crucial)
أسئلة شائعة
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.
هل أنت مستعد للحساب؟ جرب الآلة الحاسبة Soil Erosion المجانية
جربه بنفسك →