Soil Layers

i_EPIC Home Page List of i_EPIC Tables

# Field name EPIC name Units Type Default Comments
1 ID Long integer One per soil. Links to Control Record table field Soil ID and Soil table field ID
2 Layer Number Integer

3 Layer Depth Z

m

Single precision floating point 0 Depth to bottom of soil layer
4 Bulk Density BD

t/m^3

Single precision floating point 0

5 Wilting Point U

m/m

Single precision floating point 0

6 Field Capacity FC

m/m

Single precision floating point 0

7 Sand Content SAN

%

Single precision floating point 0

8 Silt Content SIL

%

Single precision floating point 0

9 Organic N Concentration WN

g/t

Single precision floating point 0

10 pH PH

Single precision floating point 0

11 Sum of Bases SMB

cmol/kg

Single precision floating point 0

12 Organic Carbon CBN

%

Single precision floating point 0

13 Calcium Carbonate CAC

%

Single precision floating point 0

14 Cation Exchange Capacity CEC

cmol/kg

Single precision floating point 0

15 Course Fragment Content ROK

% vol

Single precision floating point 0

16 Nitrate Concentration WNO3

G/T

Single precision floating point 0

17 Labile P Concentration AP

g/t

Single precision floating point 0

18 Crop Residue RSD

t/ha

Single precision floating point 0

19 Bulk Density Dry BDD

t/m^3

Single precision floating point 0

20 Phosphorus Sorption Ratio PSP

Single precision floating point 0

21 Saturated Conductivity SC

mm/h

Single precision floating point 0

22 Lateral Hydraulic Conductivity HCL mm/h Single precision floating point
23 Organic P Concentration WP g/t Single precision floating point 0
24 Storage Fraction NO3 Leaching STFR Single precision floating point
25 Exchangeable K Concentration EXCK Single precision floating point
26 Electrical Conductivity ECND Single precision floating point
27 Initial Soil Water Storage ST Single precision floating point
28 Fraction Inflow Vertical Crack CPRV Single precision floating point
29 Fraction Inflow Horizontal Crack CPRH   Single precision floating point>    
30 Structural Litter WLS kg/ha Single precision floating point
31 Metabolic Litter WLM kg/ha Single precision floating point    
32 Lignin Content Structural Litter WLSL kg/ha Single precision floating point
33 Carbon Content Structural Litter WLSC kg/ha Single precision floating point    
34 Carbon Content Metabolic Litter WLMC kg/ha Single precision floating point
35 Carbon Content Structural Litter Lignin WLSLC kg/ha Single precision floating point
36 Nitrogen Content Structural Litter Lignin WLSLNC kg/ha Single precision floating point
37 Carbon Content Biomass WBMC kg/ha Single precision floating point
38 Carbon Content Slow Humus WHSC kg/ha Single precision floating point
39 Carbon Content Passive Humus WHPC kg/ha Single precision floating point
40 Nitrogen Content Structural Litter WLSN kg/ha Single precision floating point
41 Nitrogen Content Metabolic Litter WLMN kg/ha Single precision floating point
42 Nitrogen Content Biomass WBMN kg/ha Single precision floating point
43 Nitrogen Content Slow Humus WHSN kg/ha Single precision floating point
44 Nitrogen Content Passive Humus WHPN kg/ha Single precision floating point
45 Gas Phase O2 Concentration CGO2 G/M3 Single precision floating point    
46 Gas Phase CO2 Concentration CGCO2 G/M3 Single precision floating point    
47 Gas Phase N2O Concentration CGN2O G/M3 Single precision floating point    
48 Observed Final C OBC Single precision floating point