Plains Like Junggar Basin

Tarim Basin

Plain

6.61 Fair

Tigris-Euphrates Plain

Plain

9.25 Excellent

Thar Desert

Plain

8.45 Great

Khuzestan Plain

Plain

8.20 Great

An Nafud

Plain

7.85 Good

Wei River Plain (Guanzhong)

Plain

7.82 Good

Syrian Plain

Plain

7.45 Good

Kalahari Basin

Plain

7.16 Good

Manchurian Plain

Plain

6.85 Fair

Fergana Valley

Plain

6.61 Fair

Liao Plain

Plain

6.42 Fair

Songhua River Plain

Plain

6.42 Fair

Cuvelai-Etosha Basin

Plain

6.26 Fair

Ordos Basin

Plain

6.21 Fair

Amur-Zeya Plain

Plain

5.29 Mediocre

Ussuri Plain

Plain

5.08 Mediocre

Cuvelai Basin

Plain

5.04 Mediocre

Irtysh Plain

Plain

4.42 Poor

Tobol River Plain

Plain

4.14 Poor

Bengal Delta

Plain

9.10 Excellent

Mekong Delta plains

Plain

8.85 Great

Dasht-e Lut

Plain

8.85 Great

Rub' al Khali

Plain

8.80 Great

Altiplano

Plain

8.80 Great