For a detailed description of these classes, see the class definitions at the USGS web site.
1 Water 11 Open Water 12 Perennial Ice/Snow 2 Developed 21 Low Intensity Residential 22 High Intensity Residential 23 Commercial/Industrial/Transportation 3 Barren 31 Bare Rock/Sand/Clay 32 Quarries/Strip Mines/Gravel Pits 33 Transitional 4 Forested Upland 41 Deciduous Forest 42 Evergreen Forest 43 Mixed Forest 5 Shrubland 51 Shrubland 6 Non-Natural Woody 61 Orchards/Vineyards/Other 7 Herbaceous Upland Natural/Semi-natural Vegetation 71 Grasslands/Herbaceous 8 Herbaceous Planted/Cultivated 81 Pasture/Hay 82 Row Crops 83 Small Grains 84 Fallow 85 Urban/Recreational Grasses 9 Wetlands 91 Woody Wetlands 92 Emergent Herbaceous Wetlands
Land cover classes and C-factor for Ft. Hood vegetation map
It is strongly recommended that local C-factor estimates are used as values vary depending on % ground cover for each class, as well as, surface roughness and plant residue.
# Description C-factor (approximate) | 1|Juniper Forest 0.0005 - 0.001 | 2|Live Oak Forest 0.0005 - 0.001 | 3|Upland Deciduous Forest 0.0005 - 0.001 | 4|North Slope Deciduous Forest 0.0005 - 0.001 | 5|South Slope Deciduous Forest 0.0005 - 0.001 | 6|Alluvial Deciduous Forest 0.0005 - 0.001 | 9|Live Grassland/Herbaceous 0.005 - 0.01 |10|Dormant Grassland/Herbaceous 0.05 - 0.1 |11|Water 0 |12|Bare Ground 0.5 - 1.0 |16|Hardscape/Roads 0
HOME H. Mitasova, et al., Geographic Modeling Systems Lab, UIUC |