Depths

Fly ash

Fly ash loss

Bulk density

Soil loss

Average rate of sol loss

landscape positions

for last 100 years

cm

g∙m⁻²∙layer⁻¹

%

g∙cm⁻³

Mg ha⁻¹ yr⁻¹

Percentage

Prairie

Interfluve and Shoulder

Mineral soil

0 - 15

1.6a

0

1.09a

15 - 30

1.3a

0

1.09a

30 - 50

1.3a

0

1.05a

0 - 50

4.2a

0

1.07a

0

0

Prairie

Backslope and Footslope

Mineral soil

0 - 15

0.7b

−56

1.07a

15 - 30

1.0a

−23

1.09a

30 - 50

0.8b

−38

1.07a

0 - 50

2.6b

−38

1.07a

2.12 × 10³

−17

Cropland

Interfluve and Shoulder

Mineral soil

0 - 15

2.8a

0

1.31a

15 - 30

1.8a

0

1.39a

30 - 50

1.3a

0

1.42a

0 - 50

6.0a

0

1.39a

0

0

Cropland

Backslope and Footslope

Mineral soil

0 - 15

2.4a

−14

1.31a

15 - 30

1.0b

−44

1.39a

30 - 50

2.3b

28

1.42a

0 - 50

5.2a

−13

1.39a

1.40 × 10³

−11

Representative depositional site

Prairie Toeslope

Organic soil

0 - 15

0.5

0

0.75a

15 - 30

0.2

0

0.85a

30 - 50

0.1

0

0.95a

0 - 50

0.8

0

0.86a

0

0

Representative depositional site

Cropland Toeslope

Organic soil

0 - 15

0.6

20

0.75a

15 - 30

0.4

100

0.85a

30 - 50

1.0

1000

0.95a

0 - 50

2.0

150

0.86a

3.27 × 10³

25