range of variation_trunk_v2

	A	B	C	D	E
1	espiration
2	yellow-from "optimization expertize"
3	blue = ±20% range
4	blank = from literature
5
6	Parameters	Notes	new default	min	max

7	-Energy and Hydrology
8	snowcri	Sets the amount above which only sublimation occures	1.5	1.4	1.6
9	maxmass_snow	the maximum mass of a snow	3000	2500	3500
10	max_snow_age	maximum period of snow aging	50	30	100
11	snow_trans	transformation time constant for snow	0.3	0.24	0.36
12	z0_over_height	calculate roughness height from vegetation height	0.0625	0.02	0.1
13	height_displacement	calculate the zero-plane displacement height from vegetation height	0.75	0.6	0.9
14	z0_bare	bare soil roughness length	0.01	0.008	0.012
15	z0_ice	ice roughness length	0.001	0.0008	0.0012
16	tcst_snowa	time constant of the albedo decay of snow	5	4	6
17	snowcri_alb	critical value for computation of snow albedo	10	8	12
18	alb_deadleaf	albedo of dead leaves	0.12,0.35	0.05,0.2	0.32,0.5
19	vis_dry	dry soil albedo values in visible range	0.24,0.22,0.20,0.18,0.16,0.14,0.12,0.10,0.27	0.20,0.18,0.16,0.14，0.12,0.1,0.09,0.08,0.22	0.28,0.26,0.24,0.22,0.20,0.18,0.15,0.14,0.32
20	nir_dry	dry soil albedo values in near-infrared range	0.48,0.44,0.40,0.36,0.32,0.28,0.24,0.20,0.55	0.38,0.35,0.32,0.29,0.25,0.22,0.20,0.16,0.44	0.58,0.53,0.48,0.42,0.39,0.34,0.28,0.24,0.66
21	vis_wet	wet soil albedo values in visible range	0.12,0.11,0.10,0.09,0.08,0.07,0.06,0.05,0.15	0.10,0.09,0.08,0.07,0.06,0.05,0.03,0.02,0.12	0.14,0.13,0.12,0.11,0.10,0.09,0.08,0.07,0.18
22	nir_wet	wet soil albedo values in near-infrared range	0.24,0.22,0.20,0.18,0.16,0.14,0.12,0.10,0.31	0.20,0.18,0.16,0.14，0.12,0.1,0.09,0.08,0.25	0.28,0.26,0.24,0.22,0.20,0.18,0.15,0.14,0.37
23	albsoil_vis	Averaged of wet and dry soil albedo values in visible range	0.18,0.16,0.16,0.15,0.12,0.105,0.09,0.075,0.25	0.14,0.13,0.13,0.12,0.10,0.08,0.07,0.06,0.20	0.22,0.19,0.19,0.17,0.14,0.13,0.11,0.09,0.30
24	albsoil_nir	;	0.36,0.34,0.34,0.33,0.30,0.25,0.20,0.15,0.45	0.29,0.27,0.27,0.26,0.24,0.20,0.16,0.12,0.36	0.43,0.41,0.41,0.40,0.36,0.30,0.24,0.18,0.54
25	dry_soil_heat_capacity	dry soil heat capacity of soils	1.80E+06	9.00E+05	2.70E+06
26	dry_soil_heat_cond	dry soil thermal conductivity of soils	0.4	0.2	0.4
27	wet_soil_heat_capacity	wet soil heat capacity of soils	3.03E+06	1.50E+06	4.50E+06
28	wet_soil_heat_cond	wet soil thermal conductivity of soils	1.89	1.5	3
29	snow_heat_cond	thermal conductivity of snow	0.3	0.1	0.5
30	snow_density	snow density for the soil thermodynamics	330	100	500
31	nobio_water_capac_volumetri	volumetric available soil water capacity in nobio fractions	150	100	200
32	sechiba_qsint	interception reservoir coefficient	0.1	0.025	0.4
33	choisnel_diff_min	diffusion constant for the slow regime	0.001	0	0.002
34	choisnel_diff_max	diffusion constant for the fast regime	0.1	0.05	0.15
35	choisnel_diff_exp	the exponential in the diffusion las	1.5	1.2	1.8
36	choisnel_rsol_cste	constant in the computation of resistance for bare soil evaporation	3.30E+04	1.75E+04	6.60E+04
37	cwrr_n_vangenuchten		1.89, 1.56, 1.31	1.09, 0.88, 0.6	2.69, 2.20, 2.02
38	cwrr_a_vangenuchten		0.0075, 0.0036, 0.0019	0.0045, 0.0022, 0.0011	0.0105, 0.0050, 0.0027
39	vwc_residual		0.065, 0.078, 0.095	0.039, 0.047, 0.057	0.091, 0.109, 0.133
40	vwc_sat		0.41, 0.43, 0.41	0.25, 0.26, 0.25	0.57, 0.60, 0.57
41	cwrr_ks		1060.8, 249.6, 62.4	636.5, 149.8, 37.4	1485.1, 349.4, 87.4
42	wetness_transpir_max		0.5, 0.5, 0.5	0.3, 0.3, 0.3	0.7, 0.7, 0.7
43	drainage_factor_f		1.0, 1.0, 1.0	0.6, 0.6, 0.6	1.4, 1.4, 1.4
44	vwc_fc		0.32, 0.32, 0.32	0.19, 0.19, 0.19	0.45, 0.45, 0.45
45	vwc_wp		0.1, 0.1, 0.1	0.06, 0.06, 0.06	0.14, 0.14, 0.14
46	vmc_min_for_wet_alb		0.25, 0.25, 0.25	0.15, 0.15, 0.15	0.35, 0.35, 0.35
47	vmc_max_for_dry_alb		0.1, 0.1, 0.1	0.06, 0.06, 0.06	0.14, 0.14, 0.14
48	hydrol_moisture_content		0.3	0.18	0.42
49	free_drain_coef		1.0, 1.0, 1.0	0.6, 0.6, 0.6	1.4, 1.4, 1.4
50	cwrr_nks_n0		0.95	0.57	1.33
51	cwrr_nks_power		0.34	0.2	0.48
52	cwrr_aks_a0		0.00012	0.000072	0.000168
53	cwrr_aks_power		0.53	0.32	0.74
54	-Carbon
55	tau_leafinit	time required to develop a minimal LAI using the carbohydrate reserve	10	5	30
56	reserve_time_tree	maximum time during which reserve is used (trees)	30	20	40
57	reserve_time_grass	maximum time during which reserve is used (grasses)	20	10	30
58	alloc_sap_above_grass	fraction of sapwood allocation above ground for grass	1	0.8	1.2
59	min_ltolsr	extrema of leaf allocation fraction	0.2	0.1	0.3
60	max_ltolsr	extrema of leaf allocation fraction	0.5	0.4	0.6
61	z_nitrogen	scaling depth of nitrogen	0.2	0.16	0.24
62	lai_max_to_happy		0.5	0.35	0.7
63	nlim_tref		25	20	30
64	alpha_grass	alpha coefficient for grasses	0.5	0.2	0.8
65	alpha_tree	alpha coefficient for trees	1	0.8	1
66	frac_growthresp	fraction of GPP which is lost as growth respiration	0.28	0.2	0.36
67	soil_Q10		0.69	0	1.1
68	z_decomp	Maximum depth for soil decomposer's activity	0.2	0.1	1.5
69	cn	C/N ratio	40,40,40,40,40,40,40,40	20,20,20,20,20,20,20,20	100,100,100,100,100,000,000,000
70	lc	Lignine/C ratio of the different plant parts	0.22,0.35,0.35,0.35,0.35,0.22,0.22,0.22	0.15,0.18,0.18,0.18,0.18,0.15,0.15,0.15	0.25,0.4,0.4,0.4,0.4,0.25,0.25,0.25
71	metabolic_ln_ratio		0.018	0.014	0.022
72	metabolic_ref_frac	used by litter and soilcarbon	0.85	0.8	0.9
73	tau_metabolic		0.066	0.052	0.08
74	tau_struct		0.245	0.2	0.3
75	tsoil_ref		30	24	36
76	litter_struct_coef		3	2.4	3.6
77	moist_coeff		1.1,2.4,0.29	1.4,2.1,0.59	0.8,2.7,0.01
78	min_growthinit_time	minimum time since last beginning of a growing season	300	300	330
79	frac_carb_ap	from active pool: depends on clay content	0.004	0.003	0.005
80	frac_carb_sa	frac_carb_coefficients from slow pool	0.42	0.34	0.5
81	frac_carb_sp	frac_carb_coefficients from slow pool	0.03	0.02	0.04
82	frac_carb_pa	frac_carb_coefficients from passive pool	0.45	0.36	0.54
83	frac_carb_ps	frac_carb_coefficients from passive pool	0	0	0.1
84	vmax_offset	minimum leaf efficiency	0.3	0.24	0.36
85	leafage_firstmax	relative leaf age at which efficiency reaches 1	0.03	0.024	0.036
86	leafage_lastmax	relative leaf age at which efficiency falls below 1	0.5	0.4	0.6
87	leafage_old	relative leaf age at which efficiency reaches its minimum	1	1	1
88	frac_turnover_daily		0.55	0.5	0.6
89	tax_max	Maximum fraction of allocatable biomass used for maintenance respiration	0.8	0.72	0.88
90	maint_resp_min_vmax		0.3	0.24	0.36
91	maint_resp_coeff		1.4	1.1	1.7
92	hcrit_litter	scaling depth of litter humidity	0.08	0.02	0.5
93	KsoilC		1	0.5	2
94	carbon_tau_iactive		0.149	0.12	0.179
95	carbon_tau_islow		5.48	4.48	6.48
96	carbon_tau_ipassive		241	200	280
97	gdd_threshold		5	4	6
98	gddncd_ref		603	482	724
99	gddncd_curve		0.0091	0.0072	0.01
100	gddncd_offset		64	50	78