Analyse spatiale ; Argile minéral ; Catena ; Etats-Unis ; Lithologie ; Pente de versant ; Propriétés du sol ; Sol ; Terra rossa ; Wisconsin
Catena ; Clay mineral ; Lithology ; Slope gradient ; Soil ; Soil properties ; Spatial analysis ; Terra rossa ; United States of America ; Wisconsin
The AA. have sampled 144 pedons of 16 catenas with different slope aspects and curvatures in a 70 km2 area in Wisconsin. Half of all the pedons had a red clay subsoil. The thickness of the red clay ranged from 4 cm to 60 cm with an average thickness
. It was concluded that there is large variation in the Terra Rossa soilscapes of Wisconsin and this variation can only partly be explained by topography.
[b1] Univ. of Wisconsin - Madison Dept. of Soil Science, Madison, Etats-Unis