gradual [Adjective] + erosion [Noun]

Strength Strength Dispersion
A:
14
CHISQ:
1,527.93
AWT:
7,254,327
TTEST:
3.71
G2:
113.92
FAWT:
7.49
MI:
6.8
LOGLOG:
25.87
JD:
0.75
MI3:
14.41
DICE:
1.22
RANGE: