/* hint for emacs: -*- mode: c -*- */ /* Config file for EDM. C/C++ or shell-style comments are valid. */ /* This version has values appropriate for MRA's North American */ /* parameterization. */ /* $Name: $ $Revision: 1.1.2.1 $ $Date: 2003/07/01 21:17:00 $ */ /* Based on ~mra/ed/config/EastUSA.g.L */ /* Rgular turnover rates for all conifers, lower maximum dbh */ /* Regular growing season */ /* set the projected landuse change to NO */ /* Set survivorship from disturbance to 0 for all species */ /* Corrected the norhtern limit for southern pines */ //config_sets_density_independent_mortality = false fraction_asymptotic_height = 0.90 regional = false restart = false N_competition = true N_decomposition_limitation = true Initial_mineralized_soil_N = 0.500000 Initial_fast_soil_N = 0.500000 filename_prefix = "" tmax = 2 /* number of years to simulate */ first_year = 1700 winter_decay = 0 /* winter decay */ frost_mortality = 1.0 water_coefficient = 160.0 soi_list_filename = "../config/cheas.sois" timeperiod_fraction = 0.5 /* look ahead to 50% of the month for flush signal */ fraction_leaf_C_retained = 0.5 /* deciduos retain 50% of the leaf C at leaf drop */ variable_climate = false variable_mechanism = true variable_mech_directory = "../inputs/mech.US.ncep_avg.280ppm_const/" /* Basic CO2 NCEP average climate */ variable_landuse = false //agriculture_on = false project_landuse_rates = false /* whether project landuse change rates or not */ External_recruitment = false /* allow external recruitment */ restart_filename_prefix = "" disturbance { treefall { rate = 0.014 height_threshold = 10.0 # meters age_threshold = 25.0 # years } fire { fire_on = false fuel_param = 10.0 dryness_threshold = 0.0 } forestry { forestry_on = false } } /* Default PFT. Unspecified values will use default */ # pft "" { # initial_density = 1.0 # phys_type = 0 # c3 or c4 # phenology = 0 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 # Vm0 = 12.0 # seed_rain = 0.1 # specific_leaf_area = 0.0 # m2/kg(carbon) # min_height_for_reproduction = 0.0 # m (minimum height for reproduction) # s_gtht = 0.0 # survivorship above treefall height threshold # s_ltht = 0.2 # survivorship below treefall height threshold # decay { # rate per year # seed = 0.0 # sapwood = 0.0 # leaf = 0.0 # root = 0.333 # stored_leaf = 0.0 # structural = 0.0 # } # allometry{ # b1_leaf = 0.005 # b2_leaf = 2.0 # b1_structural = 0.006 # b2_structural = 2.0 # b1_height = 1.5 # b2_height = -0.05 # } # } /* * You can comment out a pft, but that will cause them to be renumbered. * If you set initial_density to 0, no seedlings will be created. * */ pft "0. grass" { /* Grass in use - it is a C3 grass, shade intolerant and leafy */ initial_density = 0.066 /* like C4 Grasses in the original ED (rho = 0.5) */ minimum_temperature = -80.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 1 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 18.25 global_dispersal = 0.999 // let them disperse globally specific_leaf_area = 22.0 // About average for praire grasses (~110 cm2 per g Biomass) // Agronomy Journal 92:225-230 (2000) // Leaf and Stem Area Relationships to Masses and Their Height // Distributions in Native Grasses // Amare Retta, Dean V. Armbrust, // Lawrence J. Hagen and Edward L. Skidmore min_height_for_reproduction = 0.0 //# m (minimum height for reproduction) set to 0 s_gtht = 0.0 //# survivorship above treefall height threshold density_independent_mortality = 1.0 //## live fast, die young s_ltht = 0.0 //# survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 2.0 /* leaf turnover rate */ root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.08 /* Given the h-dbh relationship, dbh varies between between 0.5 and 1.6 cm */ b2_leaf = 1.0 /* set leaf biomass to be 40 g at 1.5 m which seems a reasonable weight */ /* the abovegorund component of a forb. It also yields */ b1_structural = 0.00001 /* very little structural biomass, makes them shoot-up in "dbh" and hence in height */ b2_structural = 1.0 /* linear growth with dbh */ b1_height = 0.4778 /* effective maximum height is 0.9 * (b1 + 1.3) = 1.6 */ b2_height = -0.75 root_depth_max = 500 } } pft "1. early hardwood" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -80.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 2 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 18.25 density_independent_mortality = 0.0671 /* gray and paper birch from FIA */ specific_leaf_area = 40.0 # m2/kg(carbon) Betula in North Carolina global_dispersal = 0.999 # min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.0 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.00466 b2_leaf = 2.24927 b1_structural = 0.02648 b2_structural = 2.95954 b1_height = 22.6799 b2_height = -0.06534 root_depth_max = 0 } } pft "2. northern pines" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -80.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 0 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 15.625 global_dispersal = 0.766 # white pine in sortie specific_leaf_area = 6.0 # m2/kg(carbon) density_independent_mortality = 0.01 /* jacked up FIA (was 0.0025) */ min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.333 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.024 b2_leaf = 1.899 b1_structural = 0.147 b2_structural = 2.238 b1_height = 27.14 b2_height = -0.03884 root_depth_max = 0 } } pft "3. mid evergreen" { initial_density = 0.0 seed_rain = 0.01 minimum_temperature = -80.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 0 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 density_independent_mortality = 0.0123 /* spruce from FIA */ Vm0 = 9.375 specific_leaf_area = 8.0 # m2/kg(carbon) global_dispersal = 0.766 # white pine in sortie min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.333 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.03330075 b2_leaf = 2.001741 b1_structural = 0.1709364 b2_structural = 2.231617 b1_height = 24.98853 b2_height = -0.04198152 root_depth_max = 0 } } pft "4. late evergreen" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -60.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 0 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 6.25 global_dispersal = 0.001 # hemlock in sortie density_independent_mortality = 0.005 /* jacked up FIA (was 0.0017) */ specific_leaf_area = 10.0 # m2/kg(carbon) min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.333 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.0454 b2_leaf = 1.6829 b1_structural = 0.1617 b2_structural = 2.1536 b1_height = 22.79 b2_height = -0.04445 root_depth_max = 0 } } pft "5. southern pines" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -5.0 # Degrees C /* corrected based on range map of Loblolly pine */ phys_type = c3 # c3 or c4 phenology = 0 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 15.625 density_independent_mortality = 0.01 /* jacked up FIA (was 0.0025) */ specific_leaf_area = 9.0 # m2/kg(carbon) global_dispersal = 0.766 # white pine in sortie min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.333 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.024 b2_leaf = 1.899 b1_structural = 0.147 b2_structural = 2.238 b1_height = 27.14 b2_height = -0.03884 root_depth_max = 0 } } pft "6. late hardwood" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -20.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 2 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 6.25 density_independent_mortality = 0.0107 /* beech from FIA */ global_dispersal = 0.074 # american beech in sortie specific_leaf_area = 60.0 # Harvard Forest data min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.0 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.016965333 b2_leaf = 1.731270 b1_structural = 0.23499074 b2_structural = 2.251764 b1_height = 23.38740 b2_height = -0.05404371 root_depth_max = 0 } } pft "7. mid hardwood" { initial_density = 1.0 seed_rain = 0.01 minimum_temperature = -20.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 2 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 15.625 density_independent_mortality = 0.0059 /* oaks from FIA */ global_dispersal = 0.325 # red oak in sortie min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 specific_leaf_area = 30.0 # Bazzaz group data for seedlings decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.0 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.0238 b2_leaf = 1.86 b1_structural = 0.1478 b2_structural = 2.4105 b1_height = 25.18 b2_height = -0.04964 root_depth_max = 0 } } pft "8. early hardwood" { initial_density = 0.0 seed_rain = 0.01 minimum_temperature = -15.0 # Degrees C phys_type = c3 # c3 or c4 phenology = 2 # evergreen = 0, drought-deciduous = 1, cold-deciduous = 2 Vm0 = 15.625 specific_leaf_area = 40.0 # Harvard Forest data density_independent_mortality = 0.0059 /* oaks from FIA */ global_dispersal = 0.325 # red oak in sortie min_height_for_reproduction = 5.0 # m (minimum height for reproduction) s_gtht = 0.0 # survivorship above treefall height threshold s_ltht = 0.0 # survivorship below treefall height threshold cwd_class = -1 decay { # rate per year seed = 0.0 sapwood = 0.0 leaf = 0.0 root = 0.333 stored_leaf = 0.0 structural = 0.0 } allometry{ b1_leaf = 0.00429 b2_leaf = 2.220 b1_structural = 0.0489 b2_structural = 2.7626 b1_height = 24.37 b2_height = -0.04827 root_depth_max = 0 } }