21 Model Output Variables

Note: initial table derived from MsTMIP

Num Group order Saveit Variable.Name standard_name Units Long.name Priority Category Hourly Monthly var_type ndim dim1 dim2 dim3 dim4 Description
1 1 1 Yes lon longitude degrees_east Longitude 0 Grid Yes Yes real 1 lon na na na longitude at center of each grid cell
2 1 2 Yes lat latitude degrees_north Latitude 0 Grid Yes Yes real 1 lat na na na latitude at center of each grid cell
3 1 3 Yes lon_bnds degrees_east Longitude west-east bounds 0 Grid Yes Yes real 2 nbnds lon na na (west boundary of grid cell, east boundary of grid cell)
4 1 4 Yes lat_bnds degrees_north Latitude south-north bounds 0 Grid Yes Yes real 2 nbnds lat na na (south boundary of grid cell, north boundary of grid cell)
5 2 1 Yes time time days since 1700-01-01 00:00:00 UTC Time middle averaging period 0 Time Yes Yes double 1 time na na na julian days days since 1700-01-01 00:00:00 UTC for middle of time averaging period Proleptic_Gregorianc calendar
6 2 2 Yes time_bnds days since 1700-01-01 00:00:00 UTC Time beginning-end bounds 0 Time Yes Yes double 2 nbnds time na na (julian days days since 1700-01-01 beginning time ave period, julian days days since 1700-01-01 end time ave period)
7 2 3 Yes dec_date yr Decimal date middle averaging period 0 Time Yes Yes double 1 time na na na decimal date in fractional years for middle of time averaging period
8 2 4 Yes dec_date_bnds yr Decimal date beginning-end bounds 0 Time Yes Yes double 2 nbnds time na na (decimal date beginningᅠᅠtime ave period, decimal date end time ave period)
9 2 5 Yes cal_date_mid yr, mon, day, hr, min, sec Calender date middle averaging period 0 Time Yes Yes integer 2 ncal time na na calender date middle of time ave period: year, month, day, hour, minute, second for UTC time zone
10 2 6 Yes cal_date_beg yr, mon, day, hr, min, sec Calender date beginning averaging period 0 Time Yes Yes integer 2 ncal time na na calender date beginning of time ave period: year, month, day, hour, minute, second for UTC time zone
11 2 7 Yes cal_date_end yr, mon, day, hr, min, sec Calender date end averaging period 0 Time Yes Yes integer 2 ncal time na na calender date end of time ave period: year, month, day, hour, minute, second for UTC time zone
12 3 1 Yes GPP kg C m-2 s-1 Gross Primary Productivity 1 Carbon Fluxes Yes Yes real 3 lon lat time na Rate of photosynthesis (always positive)
13 3 2 Yes NPP kg C m-2 s-1 Net Primary Productivity 1 Carbon Fluxes Yes Yes real 3 lon lat time na Net Primary Productivity (NPP=GPP-AutoResp, positive into plants)
14 3 3 Yes TotalResp kg C m-2 s-1 Total Respiration 1 Carbon Fluxes Yes Yes real 3 lon lat time na Total respiration (TotalResp=AutoResp+heteroResp, always positive)
15 3 4 Yes AutoResp kg C m-2 s-1 Autotrophic Respiration 1 Carbon Fluxes Yes Yes real 3 lon lat time na Autotrophic respiration rate (always positive)
16 3 5 Yes HeteroResp kg C m-2 s-1 Heterotrophic Respiration 1 Carbon Fluxes Yes Yes real 3 lon lat time na Heterotrophic respiration rate (always positive)
17 3 6 Yes DOC_flux kg C m-2 s-1 Dissolved Organic Carbon flux 1 Carbon Fluxes Yes Yes real 3 lon lat time na Loss of organic carbon dissolved in ground water or rivers (positive out of grid cell)
18 3 7 Yes Fire_flux kg C m-2 s-1 Fire emissions 1 Carbon Fluxes Yes Yes real 3 lon lat time na Flux of carbon due to fires (always positive)
19 3 8 Yes NEE kg C m-2 s-1 Net Ecosystem Exchange 1 Carbon Fluxes Yes Yes real 3 lon lat time na Net Ecosystem Exchange (NEE=HeteroResp+AutoResp-GPP, positive into atmosphere)
21 4 2 Yes poolname (-) Name of each Carbon Pool 1 Carbon Pools No Yes character 2 nchar npool na na Name of each carbon pool (i.e., "wood," or "Coarse Woody Debris")
22 4 3 Yes CarbPools kg C m-2 Size of each carbon pool 1 Carbon Pools No Yes real 4 lon lat npool time Total size of each carbon pool vertically integrated over the entire soil column
23 4 4 Yes AbvGrndWood kg C m-2 Above ground woody biomass 1 Carbon Pools No Yes real 3 lon lat time na Total above ground wood biomass
24 4 5 Yes TotLivBiom kg C m-2 Total living biomass 1 Carbon Pools No Yes real 3 lon lat time na Total carbon content of the living biomass (leaves+roots+wood)
25 4 6 Yes TotSoilCarb kg C m-2 Total Soil Carbon 1 Carbon Pools No Yes real 3 lon lat time na Total soil and litter carbon content vertically integrated over the enire soil column
26 4 7 Yes LAI m2 m-2 Leaf Area Index 1 Carbon Pools No Yes real 3 lon lat time na Area of leaves per area ground
27 5 1 Yes Qh W m-2 Sensible heat 1 Energy Fluxes Yes Yes real 3 lon lat time na Sensible heat flux into the boundary layer (positive into atmosphere)
28 5 2 Yes Qle W m-2 Latent heat 1 Energy Fluxes Yes Yes real 3 lon lat time na Latent heat flux into the boundary layer (positive into atmosphere)
29 5 3 Yes Evap kg m-2 s-1 Total Evaporation 1 Energy Fluxes No Yes real 3 lon lat time na Sum of all evaporation sources (positive into atmosphere)
30 5 4 Yes TVeg kg m-2 s-1 Transpiration 1 Energy Fluxes No Yes real 3 lon lat time na Total Plant transpiration (always positive)
31 5 5 Yes LW_albedo (-) Longwave Albedo 1 Energy Fluxes No Yes real 3 lon lat time na Longwave Albedo
32 5 6 Yes SW_albedo (-) Shortwave Albedo 1 Energy Fluxes No Yes real 3 lon lat time na Shortwave albedo
33 5 7 Yes Lwnet W m-2 Net Longwave Radiation 1 Energy Fluxes No Yes real 3 lon lat time na Incident longwave radiation minusᅠᅠsimulated outgoing longwave radiation (positive into grnd)
34 5 8 Yes SWnet W m-2 Net shortwave radiation 1 Energy Fluxes No Yes real 3 lon lat time na Incident shortwave radiation minusᅠᅠsimulated outgoing shortwave radiation (positive into grnd)
35 5 9 Yes fPAR (-) Absorbed fraction incoming PAR 1 Energy Fluxes No Yes real 3 lon lat time na absorbed fraction incoming photosyntetically active radiation
37 6 2 Yes z_top m Soil Layer Top Depth 1 Physical Variables No Yes real 1 nsoil na na na Depth from soil surface to top of soil layer
38 6 3 Yes z_node m Soil Layer Node Depth 1 Physical Variables No Yes real 1 nsoil na na na Depth from soil surface to layer prognostic variables; typically center of soil layer
39 6 4 Yes z_bottom m Soil Layer Bottom Depth 1 Physical Variables No Yes real 1 nsoil na na na Depth from soil surface to bottom of soil layer
40 6 5 Yes SoilMoist kg m-2 Average Layer Soil Moisture 1 Physical Variables No Yes real 4 lon lat nsoil time Soil water content in each soil layer, includingᅠᅠliquid, vapor and ice
41 6 5 Yes SoilMoistFrac (-) Average Layer Fraction of Saturation 1 Physical Variables No Yes real 4 lon lat nsoil time Fraction of saturation of soil water in each soil layer, includingᅠᅠliquid and ice
42 6 6 Yes SoilWet (-) Total Soil Wetness 1 Physical Variables No Yes real 3 lon lat time na Vertically integrated soil moisture divided by maximum allowable soil moisture above wilting point
43 6 7 Yes Qs kg m-2 s-1 Surface runoff 1 Physical Variables No Yes real 3 lon lat time na Runoff from the landsurface and/or subsurface stormflow
44 6 8 Yes Qsb kg m-2 s-1 Subsurface runoff 1 Physical Variables No Yes real 3 lon lat time na Gravity soil water drainage and/or soil water lateral flow
45 6 9 Yes SoilTemp K Average Layer Soil Temperature 1 Physical Variables No Yes real 4 lon lat nsoil time Average soil temperature in each soil layer
46 6 10 Yes Tdepth m Active Layer Thickness 1 Physical Variables No Yes real 3 lon lat time na Thaw depth; depth to zero centigrade isotherm in permafrost
47 6 11 Yes Fdepth m Frozen Layer Thickness 1 Physical Variables No Yes real 3 lon lat time na Freeze depth; depth to zero centigrade isotherm in non-permafrost
48 6 12 Yes Tcan K Canopy Temperature 1 Physical Variables No Yes real 3 lon lat time na Canopy or vegetation temperature (or temperature used in photosynthesis calculations)
49 6 13 Yes SWE kg m-2 Snow Water Equivalent 1 Physical Variables No Yes real 3 lon lat time na Total water mass of snow pack, including ice and liquid water
50 6 14 Yes SnowDen kg m-3 Bulk Snow Density 1 Physical Variables No Yes real 3 lon lat time na Overall bulk density of the snow pack, including ice and liquid water
51 6 15 Yes SnowDepth m Total snow depth 1 Physical Variables No Yes real 3 lon lat time na Total snow depth
52 7 1 Yes CO2air micromol mol-1 Near surface CO2 concentration 1 Driver No Yes real 3 lon lat time na Near surface dry air CO2 mole fraction
53 7 2 Yes LWdown surface_downwelling_longwave_flux_in_air W/m2 Surface incident longwave radiation 1 Driver No Yes real 3 lon lat time na Surface incident longwave radiation
54 7 3 Yes Psurf air_pressure Pa Surface pressure 1 Driver No Yes real 3 lon lat time na Surface pressure
55 7 4 Yes Qair specific_humidity kg kg-1 Near surface specific humidity 1 Driver No Yes real 3 lon lat time na Near surface specific humidity
56 7 5 Yes Rainf precipitation_flux kg m-2 s-1 Rainfall rate 1 Driver No Yes real 3 lon lat time na Rainfall rate
57 7 6 Yes SWdown surface_downwelling_shortwave_flux_in_air W m-2 Surface incident shortwave radiation 1 Driver No Yes real 3 lon lat time na Surface incident shortwave radiation
58 7 7 Yes Tair air_temperature K Near surface air temperature 1 Driver No Yes real 3 lon lat time na Near surface air temperature
59 7 8 Yes Wind wind_speed m s-1 Near surface module of the wind 1 Driver No Yes real 3 lon lat time na Near surface wind magnitude
60 NA NA Tmin air_temperature_max K Daily Maximum Temperature 1 Driver No Yes real 3 lon lat time na Daily Maximum Temperature
61 NA NA Tmax air_temperature_min K Daily Minimum Temperature 1 Driver No Yes real 3 lon lat time na Daily Minimum Temperature
62 NA NA Uwind northward_wind m s-1 Northward Component of Wind 1 Driver No Yes real 3 lon lat time na Northward Component of Wind
63 NA NA Vwind eastward_wind m s-1 Eastward Component of Wind 1 Driver No Yes real 3 lon lat time na Eastward Component of Wind
64 NA NA RH relative_humidity % Relative Humidity 1 Driver No Yes real 3 lon lat time na Relative Humidity
65 NA NA PAR surface_downwelling_photosynthetic_photon_flux_in_air mol m-2 s-1 Photosynthetically Active Radiation 1 Driver No Yes real 3 lon lat time na Photosynthetically Active Radiation