1. Identifying risk areas for soil degradation by compaction reduction of soil porosity mechanical stressHuman Activity modification of soil properties deterioration of soil functions

2. Identifying factors Time Soil wetness Stress Land useclimate Agricultural practices Relief

3. Sensitivity of soil to compaction Soil compaction Stress Soil mechanical properties Texture Structure OM content etc. Soil wetness

4. Risk identification Stress Sensitive soil Risk areas Time Land use Land cover Relief Agricultural practices Farming systems SMU/STU delineation STU properties Climate

5. Common criteria Land use SMU/STU delineation Climate Land cover Relief Agricultural practices Farming systems STU properties Tier 1 Tier 2 statistical data NUTS 3statistical data NUTS 4 spatial data 250 m spatial data 100 m expert typologysurvey data DTM 250 m DTM 90 m national levelregional level texture class + PTR or PTF particule size + measurement data representative profiles average year montly or 10-day data NUTS 3 20 to 30 years daily data 10 km