Model Decisions in SUMMA
TODO: Add information and background (including references) for all the available model decisions.
Information about the selection of specific model decisions is provided to SUMMA via the model decisions file.
3. soilCatTbl
Soil-category dataset
| Option | Description |
|---|---|
| STAS | TODO: Describe STAS Reference |
| STAS-RUC | TODO: Describe STAS-RUC Reference |
| ROSETTA | TODO: Describe ROSETTA Reference |
4. vegeParTbl
Vegetation category dataset
| Option | Description |
|---|---|
| USGS | TODO: Describe USGS Reference |
| MODIFIED_IGBP_MODIS_NOAH | TODO: Describe MODIFIED_IGBP_MODIS_NOAH Reference |
| plumberCABLE | TODO: Describe plumberCABLE Reference |
| plumberCHTESSEL | TODO: Describe plumberCHTESSEL Reference |
| plumberSUMMA | TODO: Describe plumberSUMMA Reference |
5. soilStress
Function for the soil moisture control on stomatal resistance
| Option | Description |
|---|---|
| NoahType | Soil stress is a thresholded linear function of volumetric liquid water content Reference |
| CLM_Type | Soil stress is a thresholded linear function of matric head CLM, 2010 |
| SiB_Type | Soil stress is an exponential of the log of matric head Reference |
6. stomResist
Function for stomatal resistance
| Option | Description |
|---|---|
| BallBerry | TODO: Describe BallBerry Reference |
| Jarvis | TODO: Describe Jarvis Reference |
| simpleResistance | TODO: Describe simpleResistance Reference |
| BallBerryFlex | TODO: Describe BallBerryFlex Reference |
| BallBerryTest | TODO: Describe BallBerryTest Reference |
7. bbTempFunc
Ball-Berry: leaf temperature controls on photosynthesis + stomatal resistance
| Option | Description |
|---|---|
| q10Func | TODO: Describe q10Func Reference |
| Arrhenius | TODO: Describe Arrhenius Reference |
8. bbHumdFunc
Ball-Berry: humidity controls on stomatal resistance
| Option | Description |
|---|---|
| humidLeafSurface | TODO: Describe humidLeafSurface Reference |
| scaledHyperbolic | TODO: Describe scaledHyperbolic Reference |
9. bbElecFunc
Ball-Berry: dependence of photosynthesis on PAR
| Option | Description |
|---|---|
| linear | TODO: Describe linear Reference |
| linearJmax | TODO: Describe linearJmax Reference |
| quadraticJmax | TODO: Describe quadraticJmax Reference |
10. bbCO2point
Ball-Berry: use of CO2 compensation point to calculate stomatal resistance
| Option | Description |
|---|---|
| origBWB | TODO: Describe origBWB Reference |
| Leuning | TODO: Describe Leuning Reference |
11. bbNumerics
Ball-Berry: iterative numerical solution method
| Option | Description |
|---|---|
| NoahMPsolution | TODO: Describe NoahMPsolution Reference |
| newtonRaphson | TODO: Describe newtonRaphson Reference |
12. bbAssimFnc
Ball-Berry: controls on carbon assimilation
| Option | Description |
|---|---|
| colimitation | TODO: Describe colimitation Reference |
| minFunc | TODO: Describe minFunc Reference |
13. bbCanIntg8
Ball-Berry: scaling of photosynthesis from the leaf to the canopy
| Option | Description |
|---|---|
| constantScaling | TODO: Describe constantScaling Reference |
| laiScaling | TODO: Describe laiScaling Reference |
14. num_method
Numerical method
| Option | Description |
|---|---|
| itertive | TODO: Describe itertive Reference |
| non_iter | TODO: Describe non_iter Reference |
| itersurf | TODO: Describe itersurf Reference |
15. fDerivMeth
Method to calculate flux derivatives
| Option | Description |
|---|---|
| numericl | TODO: Describe numericl Reference |
| analytic | TODO: Describe analytic Reference |
16. LAI_method
Method to determine LAI and SAI
| Option | Description |
|---|---|
| monTable | TODO: Describe monTable Reference |
| specified | TODO: Describe specified Reference |
17. cIntercept
Parameterization for canopy interception
| Option | Description |
|---|---|
| sparseCanopy | TODO: Describe sparseCanopy Reference |
| storageFunc | TODO: Describe storageFunc Reference |
| notPopulatedYet | TODO: Describe notPopulatedYet Reference |
18. f_Richards
Form of Richards' equation
| Option | Description |
|---|---|
| moisture | TODO: Describe moisture Reference |
| mixdform | TODO: Describe mixdform Reference |
19. groundwatr
Groundwater parameterization
| Option | Description |
|---|---|
| qTopmodl | TODO: Describe qTopmodl Reference |
| bigBuckt | TODO: Describe bigBuckt Reference |
| noXplict | TODO: Describe noXplict Reference |
20. hc_profile
Hydraulic conductivity profile
| Option | Description |
|---|---|
| constant | TODO: Describe constant Reference |
| pow_prof | TODO: Describe pow_prof Reference |
21. bcUpprTdyn
Upper boundary condition for thermodynamics
| Option | Description |
|---|---|
| presTemp | TODO: Describe presTemp Reference |
| nrg_flux | TODO: Describe nrg_flux Reference |
| zeroFlux | TODO: Describe zeroFlux Reference |
22. bcLowrTdyn
Lower boundary condition for thermodynamics
| Option | Description |
|---|---|
| presTemp | TODO: Describe presTemp Reference |
| zeroFlux | TODO: Describe zeroFlux Reference |
23. bcUpprSoiH
Upper boundary condition for soil hydrology
| Option | Description |
|---|---|
| presHead | TODO: Describe presHead Reference |
| liq_flux | TODO: Describe liq_flux Reference |
24. bcLowrSoiH
Lower boundary condition for soil hydrology
| Option | Description |
|---|---|
| presHead | TODO: Describe presHead Reference |
| bottmPsi | TODO: Describe bottmPsi Reference |
| drainage | TODO: Describe drainage Reference |
| zeroFlux | TODO: Describe zeroFlux Reference |
25. veg_traits
Parameterization for vegetation roughness length and displacement height
| Option | Description |
|---|---|
| Raupach_BLM1994 | TODO: Describe Raupach_BLM1994 Raupach, 1994 |
| CM_QJRMS1988 | TODO: Describe CM_QJRMS1988 Choudhury and Monteith, 1988 |
| vegTypeTable | TODO: Describe vegTypeTable Reference |
26. rootProfil
Parameterization for the rooting profile
| Option | Description |
|---|---|
| powerLaw | TODO: Describe powerLaw Reference |
| doubleExp | TODO: Describe doubleExp Reference |
27. canopyEmis
Parameterization for canopy emissivity
| Option | Description |
|---|---|
| simplExp | TODO: Describe simplExp Reference |
| difTrans | TODO: Describe difTrans Reference |
28. snowIncept
Parameterization for snow interception
| Option | Description |
|---|---|
| stickySnow | Includes a rapid interception increasae between -3 and 0 C from observations of increased cohesion in warm regions. Andreadis et al. 2009 |
| lightSnow | Includes a slight decrease in interception after -3 C from obervations in cold regions. Hedstom and Pomeroy, 1998 |
29. windPrfile
Canopy wind profile
| Option | Description |
|---|---|
| exponential | The wind speed profile through the canopy is an exponential decay function. Reference |
| logBelowCanopy | The wind speed profile through the canopy is a logarithmic decay function. Reference |
30. astability
Stability function
| Option | Description |
|---|---|
| standard | TODO: Describe standard Reference |
| louisinv | TODO: Describe louisinv Reference |
| mahrtexp | TODO: Describe mahrtexp Reference |
31. compaction
Compaction routine
| Option | Description |
|---|---|
| consettl | TODO: Describe consettl Reference |
| anderson | TODO: Describe anderson Reference |
32. snowLayers
Method to combine and sub-divide snow layers
| Option | Description |
|---|---|
| jrdn1991 | Divides the snowpack into a growing layer system where the number of layers is 100. Jordan, 1991 |
| CLM_2010 | Divides the snowpack into a 5-layer system. The rules of the layer division/merge can be altered to create <5 layer snowpacks. Community Land Model, 2010 |
33. thCondSnow
Thermal conductivity representation for snow
| Option | Description |
|---|---|
| tyen1965 | TODO: Describe tyen1965 Reference |
| melr1977 | TODO: Describe melr1977 Reference |
| jrdn1991 | TODO: Describe jrdn1991 Reference |
| smnv2000 | TODO: Describe smnv2000 Reference |
34. thCondSoil
Thermal conductivity representation for soil
| Option | Description |
|---|---|
| funcSoilWet | TODO: Describe funcSoilWet Reference |
| mixConstit | TODO: Describe mixConstit Reference |
| hanssonVZJ | TODO: Describe hanssonVZJ Reference |
35. canopySrad
Method for canopy shortwave radiation
| Option | Description |
|---|---|
| noah_mp | TODO: Describe noah_mp Reference |
| CLM_2stream | TODO: Describe CLM_2stream Reference |
| UEB_2stream | TODO: Describe UEB_2stream Reference |
| NL_scatter | TODO: Describe NL_scatter Reference |
| BeersLaw | TODO: Describe BeersLaw Reference |
36. alb_method
Albedo representation
| Option | Description |
|---|---|
| conDecay | TODO: Describe conDecay Reference |
| varDecay | TODO: Describe varDecay Reference |
37. spatial_gw
Method for spatial representation of groundwater
| Option | Description |
|---|---|
| localColumn | TODO: Describe localColumn Reference |
| singleBasin | TODO: Describe singleBasin Reference |
38. subRouting
Method for sub-grid routing
| Option | Description |
|---|---|
| timeDlay | TODO: Describe timeDlay Reference |
| qInstant | TODO: Describe qInstant Reference |
39. snowDenNew
Method for new snow density
| Option | Description |
|---|---|
| hedAndPom | An empirical calculation dependant on air temperature. Hedstom and Pomeroy, 1998 |
| anderson | TODO: Describe anderson Reference |
| pahaut_76 | An empirical calculation dependant on air temperature and wind speed. Pahaut, 1976 |
| constDens | A constant new snow density of 330 kg/m^3 Reference |
40. snowUnload
Method for unloading snow from the canopy
| Option | Description |
|---|---|
| meltDripUnload | Contains a temperature unloading function where the parameter snowUnloadingCoeff controls the exponential unloading rate and ratioDrip2Unloading is the ratio of liquid water drip from the canopy to snow unloading. Hedstom and Pomeroy, 1998 Storck et al. 2002 |
| windUnload | Contains temperature and wind dependent unloading functions. The rates of temperature and wind unloading are adjustable through parameters rateTempUnloading and rateWindUnloading. Both functions contain parameter thresholds for the minimum temperature and windspeed required for unloading. Roesch et al. 2001 |