SURFACE ROUGHNESS DATA ELEMENTS: DELTA, ARCUATE
Irregularities
SRI: 2; Few small irregularities
Form
Fan-shaped with level surface; the delta is bound on the land
side by undulating terrain
Drainage
One main stream traverses the delta and enters the larger
body of water at a right angle to the shore line
Gully Characteristics
V-shaped
Color (Photo Gray Tones) Light to medium gray with a light gray fringe bounding the
landform
Land Use
No outcrops, but large boulders, and/or fence rows are
present
Vegetation
Scattered trees and grasses
Soil/Rock
Coarse-grained soils
Relief
Low
Slope
Flat
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-38