Geoscience Reference
In-Depth Information
A
APPENDIX
Classification Rules
Parcel Appearance
Categorization Call
If pixel appears as water
Water
(Category 11)
If
≥
35% man-made impervious material
Urban
(Category 6)
If cultivated (excluding forest plantations)
Examine for evidence of rice cultivation
If rice
Agriculture, Rice
(Category 8)
Otherwise
Agriculture, Other
(Category 7)
If total natural vegetation cover
≥
10%
Examine for content
If coastal/estuarine AND vegetation cover is mangrove
Wetland, Mangrove
(Category 10)
If
≥
35% woody vegetation AND > 3 m in height
Examine for forest type
If woody vegetation deciduous w/ < 25% evergreen
intermixture
Forest, Deciduous
(Category 1)
If woody vegetation deciduous w/
25% evergreen
intermixture OR if woody vegetation is 100% evergreen
≥
Forest, Evergreen
(Category 2)
If woody vegetation
10% cover AND height < 3 m OR if
woody vegetation between 10% and 35% cover at any
height
≥
Shrub/Scrub
(Category 3)
If herbaceous cover
10% OR mixed shrub and grass AND
no evidence of seasonal or permanent saturation (topo
position = upland)
≥
Grassland
(Category 4)
Else
Wetland, Permanent Herbaceous
(Category 9)
If nonvegetated
Examine for content
If soil intermittently or permanently saturated
Wetland, Permanent Herbaceous
(Category 9)
If snow or ice cover
Perennial Ice or Snow
(Category 12)
If view of ground obscured by cloud, shadow, satellite sensor
artifact, or lack of TM data
Cloud/Cloud Shadow/No Data
(Category 13)
Else
Barren/Sparsely Vegetated
(Category 5)
