CaCO3 illuviation mode

Altitude (m)

Gradient (˚)

Aspect (˚)

Plane curvature

Profile curvature

TWI

No

illuviation.

Mean

3324A

17A

17A

−0.0181A

−0.0181A

0.1423A

Std.

45

0

139

0.0567

0.0508

0.3592

Middle

illuviation.

Mean

3168A

17A

117A

0.1396A

0.0779AB

4.8104A

Std.

139

1

149

0.1705

0.1058

0.7015

Down

illuviation.

Mean

3240A

13A

85A

0.0089A

−0.0084B

5.6169A

Std.

172

9

116

0.0918

0.0424

1.2112