The physical environment - Fundamentals of the Physical Environment - page 10

Plate 1.5
Typical scar-and-scree slopes
in the Great Scar Limestone
near Kettlewell, showing
active screes with no
vegetation and inactive
screes colonized by hawthorn
and grass.
Photo: Ken Atkinson

FREE FACE DEBRIS

²

Free Face Angle

Short Axis

²

Free Face Length Long Axis

Free Face Height

Debris Weathering

²

SCREE

²

Scree Length

²

Scree Height

Mean Angle

Maximum Length

Maximum Angle

Mobility

Maximum Vegetation

Figure 1.4 The morphological system of free faces and associated screes.
Source: After Chorley and Kennedy (1971)