Investigation Methods and Procedures - Geotechnical Engineering Investigation - page 31

TABLE 2.6
Interpretation of Color Infrared Photos (CIR)

Color Interpretation

Red Healthy vegetation

Bright Pasture, winter wheat

Darker Evergreens: pine, conifers

Dark Cypress

Pink Damaged or stressed vegetation

Light Dead or unhealthy vegetation

Light blue green Dead or unhealthy vegetation

Bluish-gray Dormant vegetation

Dark green-black Wetlands

Greenish white Fallow fields

White Bare fields, dry soil

Sandy beaches, gravel roads, snow

Gray Bare fields, wet soil; urban areas

Blue Water bodies; lakes, rivers; land fills

Light Heavy sediment load

Blue Moderate sediment load

Dark Very little sediment load

Black Clear water; or sediment

1

7

2

3

5

4

6

5

6

7

7

FIGURE 2.10
Physiographic diagram of northern New Jersey illustrating relationships between rock type, structure, and
landform. 1, horizontally bedded sedimentary rocks; 2, folded sedimentary rocks; 3, batholith of recambrian
gneiss; 4, graben formed by fault blocks; 5, scrap of the Ramapo fault (see Figure 6.61); 6, basalt dikes and
diabase sill; 7, glacial lake beds. See also Geology Map (Figure 2.2) , satellite image ( Figure 2.5) , and SLAR
image ( Figure 2.6) . (Figure drawn by E.J. Raisz, courtesy of Geographical Press, a division of Hammond
World Atlas Corp. 12643.)