MPI calibrations for forested habitat in the Patuxent basin.

Parameters sensitive in 'Qualitative' calibrations

CONS_RC_INGEST  gC/gC per day = 1/d.  Specific rate of ingestion (maximum). 
CONS_RC_RESP  gC/gC per day = 1/d.  Specific rate of consumer respiration (maximum). 
DOM_MAXDEPTH  m (GIS_layer)  Depth of the active Non Living Organic Matter zone (at least as deep as the root zone). 

Parameters sensitive in 'Quantitatve' calibrations

CONS_ASSIM  dimless  Carbon assimilation efficiency 
CONS_MAX  kg/m^2  Maximumconsumer biomass 
DIN_CR_SED_MIN  kgN/kgDOM per day  N mineralization rate 
MAC_DL_RQ  hours  Daylength required for leaf growth in deciduous plants. 
MAC_KS_N  g/l  Half saturation coeff of inorganic nitrogen uptake by macrophytes. 
PHBIO_LITTER_RT  KgC/KgC per day  Loss of leaves and the end of the season 
PHBIO_NC  dimless.  Leaf Nitrogen:carbon ratio 

Parameters sensitive in 'Quantitative and Qualitative' calibrations

CONS_T_OPT  degrees C.  Temperature where consumer respiration and activity are atmaximum 
DOM_CTOOM  dimless  Mass ratio of organic carbon to total organic material in Non Living Soil Organic Matter 
DOM_ICPOROSITY  dimless  Organic Sediments Porosity 
HYD_IC_UNSAT_MOIST_PR  dimless  Initial condition of the moisture proportion in the unsaturated zone. 
MAC_TEMPOPT  degrees C  Optimal temperature for primary production. 
NPHBIO_IC  kgC/m^2 (GIS_layer)  Initial biomass of nonphotosynthetic tissue. 

Parameters unsensitive to Qualitative nor Quantitative calibrations

CONS_RC_MORT  gC/gC per day = 1/d  Consumer pecific mortality rate. 
DETR_TO_DOM_RC  gC/gC per day = 1/d  Specific rate at which detritus becomes non living soil organic matter 
DET_CTOOM  dimless  Mass ratio of organic carbon to total organic material in detritus 
DET_SHRED  dimless  Mass ratio of detritus shredded per consumer ingested detritus. 
DIN_CONC_GRAD  dimless  N/C gradient along the active inactive DOM zone. 
DIN_K_OF_NH4  gN(NH4)/gN(DIN)  NH4 that is available in pore water for uptake. 
DOM_ICPROPORG  KgC/Kg soil  Soil Organic content 
DOM_NC  dimless  Nitrogen carbon ratio of the soil organic matter 
MAC_C_RECOVERY  Percetage  Deciduous leaf litter biomass recovered before litterfall. 
MAC_KS_P  g/l  Half saturation coeff for uptake of inorganic phosphorus bymacrophytes. 
MAC_LIGHTSAT  langleys/d  Saturating light intensity for the macrophytes. 
MAC_MAXCANOPCOND  mol m-2 sec-1  Maximum canopy conductance for plant that is NOT water stressed. 
MAX_AB_BM  kg m-2  Maximum above ground biomass. 
MAX_PHNPH_RT  dimless  Maximum ratio of photosynthetic biomass to non photosynthic biomass in mature system. 
NPHBIO_ABVBEL  dimless  Ratio of above ground over below ground nonphotosythetic biomass. 
PHBIO_PC  dimless  Phosphorus:carbon ratio in leaves 
PHBIO_RC_MORT  kgC/kgC per day  Specific mortality for leaves other than water stress and leaf fall. 
PO4_CONC_GRAD  dimless  PO4 concentration gradient along the active to inactive zone of nonliving soil organic matter. 
PO4_CRIT_CONC  mg/l  Concentration of mobile soil P that will switch between mobelising and inmobalizing P. 
PO4_IC_SED_WT  mg/l  Initial concentration of PO4 in sediment water. 
PO4_SORB_RT  1/d  Specific transfer rate between mobilized and inmobilized phosphate in the soil. 

Parameters not tested

CONS_CTOOM  dimless  Mass ratio of organic carbon to total organic material in Consumers. 
CONS_IC  Kg/M^2  Initial consumer biomass 
DET_ABVBEL  Dimless  Ratio of Detritus not buried over buried. 
DET_IC  Kg/M^2  Initial detritus biomass 
DIN_DIFFCOEF  m^2/d (GIS_soils)  DIN diffusion coefficient. 
DIN_DRY_N_LOAD  kgN/(m^2*d)  Atmospheric deposition of N not by rain. 
DIN_ICSEDWAT  mgN/l (GIS_Layer)  Initial concentration of DIN in sediment water. 
DIN_ICSFWAT  1/d  Specific rate of denitrification at 20C 
DIN_SOM_NC  dimless  Mass ratio of nitrogen to carbon in suspended organic matter. 
DOM_AEROBTHIN  m  The thin aerobic zone in a flooded wetland. 
DOM_C_OM_OPT  dimless  Optimal ratio fr carbon over organic matter ratio for max decomposition in soils. . 
DOM_DECOMPCR  dimless  Slow down or speed up dom decomposition with this value. 1 = default 
DOM_DECOMPRED  percentage  Reduction of the max rate for aerobic decomposition due to anaerobic conditions. 
DOM_DECOMP_POPT  mg/L  Optimal phosphorus sediment water concentration for maximum rate of decomposition of organic materials. 
FIRE_FUEL_HEAT  Kcal/g  Heat content of the dry fuel in the habitat. 
FIRE_RX_VELOC  1/day  fire reaction velocity. 
GLB_DATUM_TO_MSL  m (GIS_layer)  Elevations 
GLB_DEPTH_MSL_MAP  m below MSL (GIS_layer)  depth of lowest points in the landscape (waterbodies) 
GLB_LATDEG  Degrees (GIS_layer)  latitude of site in degrees.minutes. 
GLB_SOLOMEGA  empirical parameter accounting for light absorption of clouds 
HYD_CP_INFILT  m/d  overall infiltration parameter 
HYD_CR_SAT_TRANSP  dimless  calibration parameter for transpiration rate from sat storage 
HYD_CR_SFWT_MELT  m/d/degC  rate of snowmelt 
HYD_CR_UNSAT_TRANSP  dimless  calibration parameter for transpiration rate from unsat storage 
HYD_IC_SF_WT_DEPTH  m (GIS_layer)  Initial condition of surface water height above the sediment/soil surface. 
HYD_IC_WT_TABLE  m (GIS_layer)  Groundwater table 
HYD_RC_INF_HAB  dimless  effect of habitat on infiltration 
HYD_RC_INF_SLOPE  degree  effect of slope on infiltration. 
HYD_RC_INF_SOIL  degree  effect of soil on infiltration. 
HYD_RC_RECHG  m/d  rate of recharging the aquifer below the base datum. 
HYD_RC_SAT_HYDR_CONDUCT  m/d  The horizontal hydraulic conductivity of saturated soil. 
HYD_RC_SAT_VERT_HYDR_COND  m/d  The vertical hydraulic conductivity of saturated soil. 
HYD_SPECIFIC_YIELD  dimless  Proportion of total soil volume, for a given soil type to be drained by gravity. 
MAC_CANOPDECOUPL  dimless  Canopy couple/decouple factor on the saturation deficit at the canopy surface relative to the saturation deficit outside the Planetary Boundary Layer. 
MAC_HARVESTDAY  Julian_Day  The day the macrophytes are harvested. 
MAC_MAXROUGH  time/(m^0.33).  The maximum Manning's n roughness associated with present vegetation when fully inundated by water. 
MAC_MAX_DENS  number per m^2  Maximum number of plants per m^2 attainable at any time. 
MAC_MAX_HT  m  Maximum height of mature plant associated with a unit plant density at maturity 
MAC_MAX_LAI  dimless  Macrophyte's maximum Leaf Area Index = area of leaves/area of ground. 
MAC_MINROUGH  time/(m^0.33)  The Manning's roughness coefficient for minimal/no vegetation. 
MAC_PLANTDAY  Julian_Day  The day the macrophytes are planted. 
MAC_PLANTING_RATIO  dimless  Proportion of the plant part planted that is photosynthetic 
MAC_PLANTING_WT  kg of plant  Weight of the plant nonphotosynthetic part at planting. 
MAC_PROP_LA_TO_BIOM  m^2/kg  Ratio of Leaf Area to "leaf" Biomass. 
MAC_ROOT_TO_HEIGHT  dimless  Ratio of root depth to macrophyte height 
MAC_WAT_TOLER  m.  Depth of ponded surface water above which plant growth becomes restricted. 
NPBIO_CONS_AVAILABLE  dimless  Porportion of the nonphotosynthetic biomass that is available to consumers 
NPHBIO_CR_MORT  1/d  Non_photo biomass mortality. 
NPHBIO_CTOOM  dimless  Carbon over total organic material dryweight in the nonphotosyntethic plant 
NPHBIO_PROP_HARV  dimless  Proportion of nonphotosynthetic biomass that is harvested. 
NPP  1/d  Net primary productivity for the total plant. 
PHBIO_CTOOM  dimless  Carbon over total organic material dryweight in the photosyntethic plant 
PHBIO_EVGRN_PROP  dimless (GIS_Layer)  Evergreen/deciduous porportion. 
PHBIO_PROP_HARV  dimless  Proportion of photosynthetic parts harvested. 
PHT_C_TO_OM  dimless  Mass ratio of carbon to total organic material in Phytoplankton. 
PHT_IC  g C/m^2  Initial algal biomass density. 
PHT_KS_N  mg/l  Half saturartion coeff of inorganic nitrogen for the Mich-Ment nutrient uptake kinetics of phytoplancton. 
PHT_KS_P  mg/l  Half saturartion coeff of mobile phosphorus for the Mich-Ment nutrient uptake kinetics of phythoplancton. 
PHT_LIGHT_SAT  langley/d  Phytoplancton light saturation constant 
PHT_MAX  kg/m^3  Maximum biomass of algae. 
PHT_NC  dimless  Nitrogen carbon ratio of phytoplancton 
PHT_RC_MORT  1/d  Specific rate of phytoplancton mortality while in water. 
PHT_RC_MORT_DRY  1/d.  Mortality rate of phytoplancton when no surface water is present. 
PHT_RC_PROD  1/d  Maximum specific rate of phytoplankton gross primary production. 
PHT_RC_RESP  1/d  Max specific rate of phytoplancton respiration. 
PHT_TEMP_OPT  C  Optimal temperature for algal primary production. 
PO4TOC_DOM  dimless.  Mobile Phosphorus:carbon ratio for deposited organic matter. 
PO4_DIFFCOEF  cm^2/sec  PO4 diffusion coefficient. 
PO4_FERT_APL_AMT  lbs/ac  Amount of phosphorus fertizier applied in P2O5 equivalents. 
PO4_IC_SF_WT  kg/m^2  Initial concentration of mobile phosphate in the sediment waters. 
PO4_PHT_PC  dimless  Pytoplankton phophorus:carbon ratio, 
PO4_SOM_PC  dimless  Mass ratio of phosphorus to carbon in suspended organic matter. 
SALT_DIFF_COEF  cm^2/sec  Diffusion coeff for salt. 
SALT_IC_SED_WT  ppt,gms/l  Initial concentration of salt in Soil/sediments. 
SALT_IC_SURF_WT  ppt =gr/l  Initial condition of Surface water saLINITIES. UNITS = 
SAL_SED_WT_IN  kg/d  Salt influx by sediment water. 
SAL_SF_WT_IN  kg/d  Salt influx by surface water. 
SOM_CONS_PROP  dimless  Proportion of consumer carbon losses directed into the Suspended Organic Matter. 
SOM_CTOOM  dimless  Mass ratio of organic carbon to total organic material in suspended organic material. 
SOM_IC  kgOM/m^3  Initial mass of total organic material suspended in water. 

Graphic relations

Wind_Shredding  dimless (graph of windspeed)  Breakdown of detritus by windspeed. 
DIN_fert_app  kg/m^2 (graph of JDay)  Day and amounts of nitrogen fertilizer applications 
PO4_fert_appl  kg/m^2 (graph of JDay)  Day and amount of PO4 fertilizer application 
Nphbio_available  dimless (graph of total biomass)  The percentage of non photosynthetic biomass that is available for new leaf growth in the spring. 
spring_growth  dimless (graph of JDay)  Spring growth spurt not accounted for by temperature effects. 

Timeseries Imputs

Air_temp_degF
H2O_Temp humidity
Precipitation
Wind_dir
Wind_speed