Contour interval

No. Of pixel

Pixel area

Area (sq m)

Area (sq km)

% area

0 - 20

11,196

400

4,478,400

4.4784

10.3588

20 - 80

15,805

400

6,322,000

6.3220

14.62314

81 - 100

18,565

400

7,426,000

7.4200

17.1767

>100

62,516

400

25,006,400

25.0064

57.84127