Smithsonian Environmental Research Center

Bhatt, Gopal & Duffy, Christopher

 

 

Estimation of the vegetation parameters for the National Land Cover Data 2001 classes to drive PIHM

 

 

I. Mapping of representative class

 

 

UMD Classification a

NLCD 2001 Classification b

0 – Water

10 – Open Water

11 – Open Water (0.90 x C0 + 0.10 x C6)

12 – Perennial Ice/Snow (0.80 x C0 + 0.20 x C6)

1 – Evergreen Needle Leaf forest

 

2 – Evergreen Broadleaf forest

42 – Evergreen Forest (0.60 x C2 + 0.40 x C10)

3 – Deciduous Needle leaf forest

 

4 – Deciduous Broadleaf forest

41 – Deciduous Forest (0.60 x C4 + 0.40 x C10)

5 – Mixed Cover

43 – Mixed Forest (0.60 x C5 + 0.40 x C10)

6 – Woodland

40 – Forested Upland (0.65 x C6)

91 – Palustrine Forested Wetland (0.60 x C6)

93 – Estuarine Forested Wetland (0.60 x C6)

7 – Wooded Grassland

92 – Palustrine Scrub/Wetland (0.60 x C7)

94 – Estuarine Scrub/Wetland (0.60 x C7)

8 – Closed Shrub land

50 – Shrub land (C8)

52 – Shrub/Scrub (0.60 x C8)

90 – Woody Wetlands (0.60 x C8 + 0.40 x C12)

9 – Open Shrub land

51 – Dwarf Scrub (0.60 x C9)

95 – Emergent Herbaceous Wetland (0.60 x C9 + 0.40 x C12)

10 – Grassland

70 – Herbaceous upland (0.85 x C10)

71 – Grassland/Herbaceous (0.90 x C10)

72 – Sedge/Herbaceous (0.90 x C10)

73 – Lichens (0.90 x C10)

74 – Moss (0.90 x C10)

80 – Planted/Cultivated (0.90 x C10)

96 – Palustrine Emergent Wetland (0.80 x C10 + 0.20 x C2)

97 – Estuarine Emergent Wetland (0.80 x C10 + 0.20 x C4)

98 – Palustrine Aquatic Bed (0.20 x C10)

99 – Estuarine Aquatic Bed (0.20 x C10)

11 – Cropland

81 – Pasture/Hay (0.60 x C11)

82 – Cultivated Crops (0.60 x C11)

12 – Bare ground

30 – Barren (C12)

31 – Barren Land (0.92 x C12 + 0.08 x C9)

32 – Unconsolidated (C12)

13 – Urban & Built-up

20 – Developed (0.65 x C13)

21 – Developed, Open Space (0.90 x C13 + 0.10 x C10)

22 – Developed, Low Intensity (0.35 x C13 + 0.65 x C10)

23 – Developed, Medium Intensity (0.65 x C13 + 0.35 x C10)

24 – Developed, High Intensity (0.90 x C13 + 0.10 x C10)

 

 

 

 

II. Derivation of vegetation parameters using above mapping scheme

 

LDAS vegetation parameters were used via. (1) Microsoft Excel, (2) PIHMgis

 

 

 

III. Uncertainty quantization in the form of upper and lower bounds

 

Using the minimum and maximum bounds instead of mean

 

 

a.    http://www.epa.gov/mrlc/nlcd-2001.html

b.    http://www.glcf.umd.edu/data/landcover

 

 

Hansen, M., R. DeFries, J.R.G. Townshend, and R. Sohlberg (1998), UMD Global Land Cover Classification, 1 Kilometer, 1.0, Department of Geography, University of Maryland, College Park, Maryland, 1981-1994.

 

http://ldas.gsfc.nasa.gov/gldas/GLDASmapveg.php