Qualitative variable Degree of impact
Nature of the impact Harmful (-)
Intensity Total (12*3)
Extension Partial (2*2)
Moment Critical (8)
Persistency Temporary (2)
Reversibility Medium term (2)
Synergy Without synergy (1)
Accumulation Accumulative (4)
Effect Direct (4)
Periodicity Continuous (4)
Recoverability Mitigable (4)
Importance (sum of all variables) I = 69