Table 2

. Standard terminology for landform scales

NumberScale categoryLinear component (km)Spatial component (km2)
1Mega>103>106
2Macro10–103102–106
3Meso0.1–100.0.01–102
4Micro0.001–0.110−6–10−2
5Nano0.00001–0.001 (1 cm–1 m)10−10–10−6
6Pico<0.00001 (i.e. <1 cm)<10−10