Table 2 Global and continental distribution of hydrologic soil groups (HSGs).

From: HYSOGs250m, global gridded hydrologic soil groups for curve-number-based runoff modeling

 

HSG coverage (%)

Coverage

A

B

C

D

A/D

B/D

C/D

D/D

Global

3.0

12.2

57.4

10.1

0.0

1.4

13.5

2.4

Africa

13.8

24.5

35.3

16.5

0.1

0.9

5.3

3.7

Asia

1.3

7.6

67.1

4.5

0.0

0.7

17.5

1.2

Australia

0.0

3.9

65.2

21.7

0.0

0.2

5.9

3.2

Europe

0.1

22.4

61.9

0.7

0.0

2.6

12.3

0.1

North America

0.0

11.4

60.8

9.0

0.0

3.4

13.2

2.1

South America

0.0

1.9

58.0

20.6

0.0

0.3

12.3

6.9

Oceania

0.0

3.9

46.9

23.3

0.0

0.2

18.9

6.7