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spafhy_parameters.py
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spafhy_parameters.py
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# -*- coding: utf-8 -*-
"""
DEFAULT PARAMETERS OF SPAFHY FOR A SINGLE CATCHMENT AND POINT-SCALE SIMULATIONS
Created on Mon Jun 25 18:34:12 2018
@author: slauniai
Last edit: 11.5.2020 / SL: canopygrid can now have multiple vegetation types.
Phenology is common to all, LAI-cycle common to all deciduous
"""
def parameters():
pgen = {'catchment_id': '3',
'gis_folder': r'c:\repositories\SpaFHy_v1\data\C3',
'forcing_file': r'c:\repositories\SpaFHy_v1\data\Weather_C3.csv',
'runoff_file': r'c:\repositories\SpaFHy_v1\data\Runoffs_SVEcatchments_mmd.csv', #
'ncf_file': r'C3.nc',
'results_folder': r'c:\repositories\SpaFHy_v1\Results',
'start_date': '2005-01-01',
'end_date': '2015-12-31',
'spinup_end': '2005-12-31',
'dt': 86400.0,
'spatial_cpy': True,
'spatial_soil': True
}
# canopygrid
pcpy = {'loc': {'lat': 61.4, 'lon': 23.7},
'flow' : { # flow field
'zmeas': 2.0,
'zground': 0.5,
'zo_ground': 0.01
},
'interc': { # interception
'wmax': 1.5, # storage capacity for rain (mm/LAI)
'wmaxsnow': 4.5, # storage capacity for snow (mm/LAI),
},
'snow': {
# degree-day snow model
'kmelt': 2.8934e-05, # melt coefficient in open (mm/s)
'kfreeze': 5.79e-6, # freezing coefficient (mm/s)
'r': 0.05 # maximum fraction of liquid in snow (-)
},
# canopy conductance
'physpara': {
'kp': 0.6, # canopy light attenuation parameter (-)
'rw': 0.20, # critical value for REW (-),
'rwmin': 0.02, # minimum relative conductance (-)
# soil evaporation
'gsoil': 1e-2 # soil surface conductance if soil is fully wet (m/s)
},
'spec_para': {
'conif': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 2.1, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': False,
},
'decid': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 3.5, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': True,
},
'shrub': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 3.0, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': False,
},
'grass': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 5.0, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': True,
},
},
'phenopara': {
# phenology
'smax': 18.5, # degC
'tau': 13.0, # days
'xo': -4.0, # degC
'fmin': 0.05, # minimum photosynthetic capacity in winter (-)
# annual cycle of leaf-area in deciduous trees
'lai_decid_min': 0.1, # minimum relative LAI (-)
'ddo': 45.0, # degree-days for bud-burst (5degC threshold)
'ddur': 23.0, # duration of leaf development (days)
'sdl': 9.0, # daylength for senescence start (h)
'sdur': 30.0, # duration of leaf senescence (days),
},
'state': {# LAI is annual maximum LAI and for gridded simulations are input from GisData!
# keys must be 'LAI_ + key in spec_para
'LAI_conif': 1.0,
'LAI_decid': 1.0,
'LAI_shrub': 0.1,
'LAI_grass': 0.2,
'hc': 16.0, # canopy height (m)
'cf': 0.6, # canopy closure fraction (-)
#initial state of canopy storage [mm] and snow water equivalent [mm]
'w': 0.0, # canopy storage mm
'swe': 0.0, # snow water equivalent mm
}
}
# BUCKET
pbu = {'depth': 0.4, # root zone depth (m)
# following soil properties are used if spatial_soil = False
'poros': 0.43, # porosity (-)
'fc': 0.33, # field capacity (-)
'wp': 0.13, # wilting point (-)
'ksat': 2.0e-6,
'beta': 4.7,
#organic (moss) layer
'org_depth': 0.04, # depth of organic top layer (m)
'org_poros': 0.9, # porosity (-)
'org_fc': 0.3, # field capacity (-)
'org_rw': 0.24, # critical vol. moisture content (-) for decreasing phase in Ef
'maxpond': 0.0, # max ponding allowed (m)
#initial states: rootzone and toplayer soil saturation ratio [-] and pond storage [m]
'rootzone_sat': 0.6, # root zone saturation ratio (-)
'org_sat': 1.0, # organic top layer saturation ratio (-)
'pond_sto': 0.0 # pond storage
}
# TOPMODEL
ptop = {'dt': 86400.0, # timestep (s)
'm': 0.026, # scaling depth (m)
'ko': 0.001, # transmissivity parameter (ms-1)
'twi_cutoff': 99.5, # cutoff of cumulative twi distribution (%)
'so': 0.05 # initial saturation deficit (m)
}
return pgen, pcpy, pbu, ptop
def soil_properties():
"""
Defines 5 soil types: Fine, Medium and Coarse textured + organic Peat
and Humus.
Currently SpaFHy needs following parameters: soil_id, poros, dc, wp, wr,
n, alpha, Ksat, beta
"""
psoil = {
'FineTextured':
{'airentry': 34.2,
'alpha': 0.018,
'beta': 7.9,
'fc': 0.34,
'ksat': 1e-06,
'n': 1.16,
'poros': 0.5,
'soil_id': 3.0,
'wp': 0.25,
'wr': 0.07,
},
'MediumTextured':
{'airentry': 20.8,
'alpha': 0.024,
'beta': 4.7,
'fc': 0.33,
'ksat': 1e-05,
'n': 1.2,
'poros': 0.43,
'soil_id': 2.0,
'wp': 0.13,
'wr': 0.05,
},
'CoarseTextured':
{'airentry': 14.7,
'alpha': 0.039,
'beta': 3.1,
'fc': 0.21,
'ksat': 0.0001,
'n': 1.4,
'poros': 0.41,
'soil_id': 1.0,
'wp': 0.1,
'wr': 0.05,
},
'Peat':
{'airentry': 29.2,
'alpha': 0.123,
'beta': 6.0,
'fc': 0.414,
'ksat': 5e-05,
'n': 1.28,
'poros': 0.9,
'soil_id': 4.0,
'wp': 0.11,
'wr': 0.0,
},
'Humus':
{'airentry': 29.2,
'alpha': 0.123,
'beta': 6.0,
'fc': 0.35,
'ksat': 8e-06,
'n': 1.28,
'poros': 0.85,
'soil_id': 5.0,
'wp': 0.15,
'wr': 0.01,
},
}
return psoil
def parameters_FIHy():
# parameter file for running SpaFHy_point at FIHy-site
pgen = {'catchment_id': 'FIHy',
'gis_folder': None,
'forcing_file': r'c:/Repositories/SpaFHy_v1/Data/HydeDaily2000-2010.txt',
'runoff_file': None,
'output_file': r'c:/Repositories/SpaFHy_v1/Results/FIHy_test',
'start_date': '2013-01-01',
'end_date': '2016-12-31',
'spinup_end': '2013-12-31',
'dt': 86400.0,
'spatial_cpy': False,
'spatial_soil': False
}
# canopygrid
pcpy = {'loc': {'lat': 61.4, 'lon': 23.7},
'flow' : { # flow field
'zmeas': 2.0,
'zground': 0.5,
'zo_ground': 0.01
},
'interc': { # interception
'wmax': 1.5, # storage capacity for rain (mm/LAI)
'wmaxsnow': 4.5, # storage capacity for snow (mm/LAI),
},
'snow': {
# degree-day snow model
'kmelt': 2.8934e-05, # melt coefficient in open (mm/s)
'kfreeze': 5.79e-6, # freezing coefficient (mm/s)
'r': 0.05 # maximum fraction of liquid in snow (-)
},
# canopy conductance
'physpara': {
'kp': 0.6, # canopy light attenuation parameter (-)
'rw': 0.20, # critical value for REW (-),
'rwmin': 0.02, # minimum relative conductance (-)
# soil evaporation
'gsoil': 1e-2 # soil surface conductance if soil is fully wet (m/s)
},
'spec_para': {
'conif': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 2.1, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': False,
},
'decid': {'amax': 10.0, # maximum photosynthetic rate (umolm-2(leaf)s-1)
'g1': 3.5, # stomatal parameter
'q50': 50.0, # light response parameter (Wm-2)
'lai_cycle': True,
},
},
'phenopara': {
# phenology
'smax': 18.5, # degC
'tau': 13.0, # days
'xo': -4.0, # degC
'fmin': 0.05, # minimum photosynthetic capacity in winter (-)
# annual cycle of leaf-area in deciduous trees
'lai_decid_min': 0.1, # minimum relative LAI (-)
'ddo': 45.0, # degree-days for bud-burst (5degC threshold)
'ddur': 23.0, # duration of leaf development (days)
'sdl': 9.0, # daylength for senescence start (h)
'sdur': 30.0, # duration of leaf senescence (days),
},
'state': {# LAI is annual maximum LAI and for gridded simulations are input from GisData!
# keys must be 'LAI_ + key in spec_para
'LAI_conif': 3.5,
'LAI_decid': 0.5,
'hc': 16.0, # canopy height (m)
'cf': 0.6, # canopy closure fraction (-)
#initial state of canopy storage [mm] and snow water equivalent [mm]
'w': 0.0, # canopy storage mm
'swe': 0.0, # snow water equivalent mm
}
}
# BUCKET
pbu = {'depth': 0.4, # root zone depth (m)
# following soil properties are used if spatial_soil = False
'poros': 0.43, # porosity (-)
'fc': 0.33, # field capacity (-)
'wp': 0.13, # wilting point (-)
'ksat': 2.0e-6,
'beta': 4.7,
#organic (moss) layer
'org_depth': 0.04, # depth of organic top layer (m)
'org_poros': 0.9, # porosity (-)
'org_fc': 0.3, # field capacity (-)
'org_rw': 0.24, # critical vol. moisture content (-) for decreasing phase in Ef
'maxpond': 0.0, # max ponding allowed (m)
#initial states: rootzone and toplayer soil saturation ratio [-] and pond storage [m]
'rootzone_sat': 0.6, # root zone saturation ratio (-)
'org_sat': 1.0, # organic top layer saturation ratio (-)
'pond_sto': 0.0, # pond storage
'soilcode': -1 # site-specific values
}
return pgen, pcpy, pbu