Methods in wetland research - Wetland Environments: A Global Perspective - page 50

Figure. 3-28. Schematic illustration of the Munsell Color system (see Color Plate 3-28). Hue is the spectral color
(circumference); chroma is the intensity of color (radius); value is the brightness (vertical axis). Modii ed from
original illustration by SharkD; obtained from Wikimedia Commons < http://commons.wikimedia.org/ > .
Figure 3-29. Distinctive colors are displayed in this wetland soil (see Color Plate 3-29). Dark gray/brown indicates
a high content of organic matter, and orange mottles show oxidized iron. Taken from Vasilas, Hurt and Noble
(2010, Fig. 7).