GIS-Enabled Culvert Design: A Case Study in Tuscaloosa, Alabama

Table 2

Land use attributes and associated values.

NLCD value	Land cover class	value
11	Open water	1
21	Developed, open space	0.8
22	Developed, low intensity	0.85
23	Developed, medium intensity	0.9
24	Developed, high intensity	0.95
31	Barren land	0.6
41	Deciduous forest	0.3
42	Evergreen forest	0.2
43	Mixed forest	0.25
52	Shrub/scrub	0.7
71	Herbaceous	0.65
81	Hay/pasture	0.4
82	Cultivated crops	0.45
90	Woody wetlands	0.9
95	Emergent herbaceous wetlands	0.95