Evaporative extinction depth

 

 

Soil type

Feet

Meters

Bare soil

Grass

Forest

Bare soil

Grass

Forest

Sand

2

5

8

0.5

1.5

2.5

Loamy sand

2

6

9

0.7

1.7

2.7

Sandy loam

4

8

11

1.3

2.3

3.3

Sandy clay loam

7

10

13

2.0

3.0

4.0

Sandy clay

7

10

13

2.1

3.1

4.1

Loam

9

12

15

2.7

3.7

4.7

Silty clay

11

14

17

3.4

4.3

5.3

Clay loam

13

17

20

4.1

5.1

6.1

Silt loam

14

17

20

4.2

5.2

6.2

Silt

14

17

21

4.3

5.3

6.3

Silty clay loam

15

18

21

4.5

5.5

6.6

Clay loam

20

23

27

6.2

7.2

8.2

 

Source: N. Shah et al. GROUND WATER 45, no. 3: 329338, 2007.