Percent of area gently sloping

Local relief

Profile type

1) more than 80

1. 0 - 30

1. >75% in lowland

2) 50 - 80

2. 30 - 91

2. 50% - 75% in lowland

3) 20 - 50

3. 91 - 152

3. 25% - 50% in lowland

4) less than 20

4.152 - 305

4. <25% in lowland

5. 305 > 914

6. 5 > 914