Model Factors (Vulnerability Parameters) | Erosion Vulnerability | |||

Low | Medium | High | ||

1) | L | L1 | L2 | L3 |

Geological formations prone to erosion (Lithology) | Limestones, dolomites, phyllite, etc. | Flysch, schist, marl, sandstone, conglomerate, grauwacke, etc | Alluvial, clastic sediments, etc. | |

2) | S | S1 | S2 | S3 |

Relief gradient (Slopes) | S £ 12% | 12% < S £ 35% | S > 35% | |

3a) | Fs | F1 | F2 | F3 |

Hydrographic Frequency | F £ 0.62 km | 0.62 < F £ 1.09 km | F > 1.09 km | |

3b) | Dd | D1 | D2 | D3 |

Hydrographic Density | D £ 0.63 km/km | 0.63 < D £ 0.95 km/km | D > 0.95 km/km | |

3) | T | T1 | T2 | T3 |

Hydrographic Texture | Combinations of: F1 and D1, D2 F2 and D1 | Combinations of: F1 and D3, F2 and D2 F3 and D1 | Combinations of: F2 and D3 F3 and D2 F3 and D3 | |

Triggering Factor | Erosion Influence | |||

Low | Medium | High | ||

4) | R | R1 | R2 | R3 |

Rainfall | R £ 700 mm | 700 < R £ 900 mm | R > 900 mm | |

Competitive Factor | Erosion Containment | |||

Low | Medium | High | ||

5) | C | C1 | C2 | C3 |

Vegetation cover (Land cover) | Sparse bushes, pasture lands and areas without vegetation | Various cultivations | Forests |