Code |
Definition |
1 |
Modified Anderson Level I class code for Open Water - All areas of
open water, generally with less than 25% vegetation or soil cover.
Pixels coded to a value of 1 have not changed between 1992 and
2001. |
2 |
Modified Anderson Level I class code for Urban - Includes developed
open spaces with a mixture of some constructed materials, but mostly
vegetation in the form of lawn grasses such as large-lot single-family
housing units, parks, golf courses, and vegetation planted in developed
settings for recreation, erosion control, or aesthetic purposes. Also
includes developed, low, medium, and high intensity with a mixture of
constructed materials and vegetation, such as single-family housing
units and highly developed areas where people reside or work in large
numbers such as apartment complexes, row houses and
commercial/industrial areas. Pixels coded to a value of 2 have not
changed between 1992 and 2001. |
3 |
Modified Anderson Level I class code for Barren - Barren areas of
bedrock, desert pavement, scarps, talus, slides, volcanic material,
glacial debris, sand dunes, strip mines, gravel pits and other
accumulations of earthen material. Generally, vegetation accounts for
less than 15% of total cover. Pixels coded to a value of 3 have not
changed between 1992 and 2001. |
4 |
Modified Anderson Level 1 class code for Forest - Areas dominated by
trees generally greater than 5 meters tall, and greater than 20% of
total vegetation cover. Includes Deciduous Forest, Evergreen Forest and
Mixed Forest. Pixels coded to a value of 4 have not changed between 1992
and 2001. |
5 |
Modified Anderson Level 1 class code for Grassland/Shrub - Includes
grassland areas dominated by grammanoid or herbaceous vegetation and
shrub/scrub areas dominated by shrubs less than 5 meters tall with shrub
canopy typically greater than 20% of total vegetation, including true
shrubs, young trees in an early successional stage, or trees stunted due
to harsh environmental conditions. Management techniques which associate
soil, water, and forage-vegetation resources are more suitable for
rangeland management than are practices generally used in managing
pastureland. Some rangelands have been or may be seeded to introduced or
domesticated plant species. Includes those areas in the Eastern States
which commonly are called brushlands. Pixels coded to a value of 5 have
not changed between 1992 and 2001. |
6 |
Modified Anderson Level 1 class code for Agricultural Land,
including cultivated crops and pasture/hay - Cultivated crops are
described as areas used for the production of annual crops, such as
corn, soybeans, vegetables, tobacco, and cotton, and also perennial
woody crops such as orchards and vineyards. This class also includes all
land being actively tilled. Pasture/Hay is described as grasses,
legumes, or grass-legume mixtures planted for livestock grazing or the
production of seed or hay crops, typically on a perennial cycle. Pixels
coded to a value of 6 have not changed between 1992 and 2001. |
7 |
Modified Anderson Level I class code for Wetlands, including woody
wetlands and herbaceous wetlands - Areas where forest or shrub land
vegetation accounts for greater than 20 percent of vegetative cover and
the soil or substrate is periodically saturated with or covered with
water and/or areas where perennial herbaceous vegetation accounts for
greater than 80 percent of vegetative cover and the soil or substrate is
periodically saturated with or covered with water. Pixels coded to a
value of 7 have not changed between 1992 and 2001. |
8 |
Modified Anderson Level I class code for Perennial Ice/Snow - All
areas characterized by a perennial cover of ice and/or snow, generally
greater than 25% of total cover. Pixels coded to a value of 8 have not
changed between 1992 and 2001. |
12 |
Land cover change code for Open Water to Urban |
13 |
Land cover change code for Open Water to Barren |
14 |
Land cover change code for Open Water to Forest |
15 |
Land cover change code for Open Water to Grassland/Shrub |
16 |
Land cover change code for Open Water to Agriculture |
17 |
Land cover change code for Open Water to Wetlands |
18 |
Land cover change code for Open Water to Ice/Snow |
21 |
Land cover change code for Urban to Open Water |
23 |
Land cover change code for Urban to Barren |
24 |
Land cover change code for Urban to Forest |
25 |
Land cover change code for Urban to Grassland/Shrub |
26 |
Land cover change code for Urban to Agriculture |
27 |
Land cover change code for Urban to Wetlands |
28 |
Land cover change code for Urban to Ice/Snow |
31 |
Land cover change code for Barren to Open Water |
32 |
Land cover change code for Barren to Urban |
34 |
Land cover change code for Barren to Forest |
35 |
Land cover change code for Barren to Grassland/Shrub |
36 |
Land cover change code for Barren to Agriculture |
37 |
Land cover change code for Barren to Wetlands |
38 |
Land cover change code for Barren to Ice/Snow |
41 |
Land cover change code for Forest to Open Water |
42 |
Land cover change code for Forest to Urban |
43 |
Land cover change code for Forest to Barren |
45 |
Land cover change code for Forest to Grassland/Shrub |
46 |
Land cover change code for Forest to Agriculture |
47 |
Land cover change code for Forest to Wetlands |
48 |
Land cover change code for Forest Forest to Ice/Snow |
51 |
Land cover change code for Grassland/Shrub to Open Water |
52 |
Land cover change code for Grassland/Shrub to Urban |
53 |
Land cover change code for Grassland/Shrub to Barren |
54 |
Land cover change code for Grassland/Shrub to Forest |
56 |
Land cover change code for Grassland/Shrub to Agriculture |
57 |
Land cover change code for Grassland/Shrub to Wetlands |
58 |
Land cover change code for Grassland/Shrub to Ice/Snow |
61 |
Land cover change code for Agriculture to Open Water |
62 |
Land cover change code for Agriculture to Urban |
63 |
Land cover change code for Agriculture to Barren |
64 |
Land cover change code for Agriculture to Forest |
65 |
Land cover change code for Agriculture to Grassland/Shrub |
67 |
Land cover change code for Agriculture to Wetlands |
68 |
Land cover change code for Agriculture to Ice/Snow |
71 |
Land cover change code for Wetland to Open Water |
72 |
Land cover change code for Wetland to Urban |
73 |
Land cover change code for Wetland to Barren |
74 |
Land cover change code for Wetland to Forest |
75 |
Land cover change code for Wetland to Grassland/Shrb |
76 |
Land cover change code for Wetland to Agriculture |
78 |
Land cover change code for Wetland to Ice/Snow |
81 |
Land cover change code for Ice/Snow to Open Water |
82 |
Land cover change code for Ice/Snow to Urban |
83 |
Land cover change code for Ice/Snow to Barren |
84 |
Land cover change code for Ice/Snow to Forest |
85 |
Land cover change code for Ice/Snow to Grassland/Shrub |
86 |
Land cover change code for Ice/Snow to Agriculture |
87 |
Land cover change code for Ice/Snow to Wetlands |