[HRU]

i_SWAT Home Page

# Field Name SWAT Name Units Type Description
1 ID     Long integer  
2 Sub-basin     Long integer  
3 HRU     Long integer  
4 Description     Text  
5 Soil ID     Long integer  
6 Rotation     Byte  
7 Rotation length NROT   Integer  
8 Tillage     Byte  
9 Conservation Practice     Byte  
10 Land Cover IGRO   Boolean  
11 Area HRU_FR km^2 Single precision floating point Fraction of watershed area now calculated just before SWAT run.
12 Slope SLOPE / HRU_SLP   Single precision floating point  
13 Slope Length SLSUBBSN   Single precision floating point  
14 Mannings n value OV_N   Single precision floating point  
15 Lateral flow travel time LAT_TTIME   Long integer  
16 Sediment concentration in lateral flow LAT_SED   Single precision floating point  
17 Slope length for lateral subsurface flow SLSOIL   Single precision floating point  
18 Maximum canopy storage CANMX   Single precision floating point  
19 Soil evaporation compensation factor ESCO   Single precision floating point  
20 Plant uptake compensation factor EPCO   Single precision floating point  
21 Initial residue cover RSDIN kg/ha Single precision floating point  
22 Organic N enrichment ratio ERORGN   Single precision floating point  
23 Organic P enrichment ratio ERORGP   Single precision floating point  
24 Width of edge-of-field filter strip FILTERW m Single precision floating point  
25 Urban simulation code IURBAN   Byte  
26 Urban land type identification number URBLU   Integer  
27 Irrigation code IRR / IRRSC   Byte 0=none, 1=reach, 2=reservoir, 3= shallow aquifer, 4=deep aquifer, 5=outside/unlimited
28 Irrigation source location IRRNO   Byte  
29 Minimum in-stream flow for irrigation diversions FLOWMIN m^3/s Single precision floating point  
30 Maximum daily irrigation diversion DIVMAX   Single precision floating point  
31 Fraction of available flow FLOWFR   Single precision floating point  
32 Depth to subsurface drain DDRAIN mm Integer  
33 Time to drain soil to field capacity TDRAIN hours Integer  
34 Drain tile lag time GDRAIN hours Integer  
35 Pothole number IPOT   Long integer  
36 Pothole Draining Fraction POT_FR   Single precision floating point  
37 Pothole Daily Outflow POT_TILE m^3/s Single precision floating point  
38 Pothole Volume Maximum POT_VOLX 10^4 m^3 Single precision floating point  
39 Pothole Volume Initial POT_VOL 10^4 m^3 Single precision floating point  
40 Pothole Sediment Concentration POT_NSED mg/L Single precision floating point  
41 Pothole Nitrate Decay Rate POT_NO3L   Single precision floating point  
42 Management Code NMGT   Long integer  
43 Land Cover ID NCRP / PLANT_ID   Long integer  
44 Initial Leaf Area Index ALAI / LAI_INIT   Single precision floating point  
45 Initial Dry Weight Biomass BIO_MS / BIO_INIT kg/ha Single precision floating point  
46 Plant Heat Units PHU / PHU_PLT   Single precision floating point  
47 Snowfall Temperature SFTMP deg. C Single precision floating point Version SWAT2000M only
48 Snow Melt Temperature SMPTMP deg. C Single precision floating point Version SWAT2000M only
49 Snow Melt Rate June 21 SMFMN   Single precision floating point Version SWAT2000M only
50 Snow Melt Rate December 21 SMFMX   Single precision floating point Version SWAT2000M only
51 Grazing biomass minimum BIO_MIN   Single precision floating point  
52 Biological mixing efficiency BIOMIX   Single precision floating point  
53 Runoff curve number CN2   Single precision floating point  
54 USLE P factor USLE_P   Single precision floating point  
55 Initial aquifer depth, shallow SHALLST mm H2O Single precision floating point  
56 Initial aquifer depth, deep DEEPST mm H2O Single precision floating point  
57 Groundwater delay GW_DELAY days Single precision floating point  
58 Baseflow alpha factor ALPHA_BF   Single precision floating point  
59 Return flow threshold depth GWQMN mm H2O Single precision floating point  
60 Revap coefficient GW_REVAP   Single precision floating point  
61 Revap threshold depth REVAPMN mm H2O Single precision floating point  
62 Deep aquifer percolation fraction RCHRG_DP   Single precision floating point  
63 Initial groundwater height GWHT m Single precision floating point  
64 Shallow aquifer specific yield GW_SPYLD   Single precision floating point  
65 Nitrate concentration GWNO3 mg N/L Single precision floating point  
66 Soluble phosphorus concentration GWSOLP mg P/L Single precision floating point  
67 Shallow Aquifer Half Life Nitrogen HLIFE_NGW days Single precision floating point  
68 Impervious Layer Depth DEP_IMP mm Single precision floating point  
69 Floodplain Draining Area FLD_FR   Single precision floating point  
70 Riparian Draining Area RIP_FR   Single precision floating point  
71 Pothole Evaporation EVPOT   Single precision floating point  
72 Stream Distance DIS_STREAM m Single precision floating point