####################################################################### # This text file contains information used by the vicNl model to define # needed global variables, and model parameters, as well as allowing the # user to control the features of the model to be used in the current # model run. # # Model parameter or options name must be followed by TRUE or FALSE (TRUE # meaning the option is to be used), or the appropriate information. # # Lines proceeded by a '#' are comments, and are not processed by the model # # Created: July 6, 1999 by Keith Cherkauer # Comments: Global Parameter file for the Chippewa River at Durand. # Runs the model in energy balance mode using distributed # precipitation, 3 soil layers, and a three hour time step. # Snow model is activated, with up to 5 snow bands. ####################################################################### ####################################################################### # Define Global Parameters ####################################################################### NLAYER 3 # number of layers TIME_STEP 24 # model time step in hours (= 24 for water balance) RESOLUTION 1 # model grid cell resolution STARTYEAR 1980 # year model simulation starts STARTMONTH 1 # month model simulation starts STARTDAY 1 # day model simulation starts STARTHOUR 0 # hour model simulation starts ENDYEAR 1986 # year model simulation ends ENDMONTH 12 # month model simulation ends ENDDAY 31 # day model simulation ends #NRECS 1461 # time step simulation stops (not used if END date set) WIND_H 2.0 # height of wind speed measurement MEASURE_H 2.0 # height of humidity measurement NODES 3 # number of soil thermal nodes MAX_SNOW_TEMP 2.0 # maximum temperature at which snow can fall MIN_RAIN_TEMP -0.5 # minimum temperature at which rain can fall GRID_DECIMAL 4 # number of decimals to use in gridded file names SNOW_STEP 1 # time step in hour for which to solve the snow model PREC_EXPT 0.85 # exponential for distributed precipitation (0.6) ####################################################################### # Define Global Parameters ####################################################################### FULL_ENERGY FALSE # calculate full energy balance FROZEN_SOIL FALSE # calculate frozen soils SNOW_MODEL TRUE # use internal snow model DIST_PRCP TRUE # use distributed precipitation COMPRESS FALSE # compress input and output files when done CORRPREC FALSE # correct precipitation for gauge undercatch BINARY_OUTPUT FALSE # output files in binary format ARC_SOIL TRUE # read soil parameters from ARC/INFO ASCII grids ####################################################################### # Define Data Files # # Possible FORCING TYPEs and their needed FORING FILE TYPES: # PILPS # FORCING1 = hourly data file in PILPS2c Format # FORCING2 = FALSE # SAWD # FORCING1 = hourly SAWD ASCII files # (with or without hourly precip) # FORCING2 = FALSE or daily precip file if hourly precip # not included in FORCING1 # SHAW # FORCING1 = hourly data in SHAW model format # FORCING2 = FALSE # PILPS # FORCING1 = Daily precipitation and temperature file # FORCING2 = FALSE or output from NWS snow model # # All FORCING filenames are actually the pathname, and prefix # for gridded data types: ex. DATA/forcing_ # Latiude and longitude index suffix is added by VIC ####################################################################### FORCE_TYPE DAILY FORCING1 FORCING_DATA/ONE_DEGREE/data_ FORCING2 FALSE FORCE_DT 24 24 FORCEYEAR 1950 # starting year of forcing data file FORCEMONTH 1 # starting month of forcing data file FORCEDAY 1 # starting day of the forcing data file FORCEHOUR 0 # starting hour of the forcing data file ####################################################################### # Soil parameter file # # SOIL defines the name of the soil parameter file, or if using the # ARCSOIL input format it is the name of a file listing all of the # parameter ARCINFO soil parameter files. # # SOIL_DIR is used only if ARCSOIL is set, and tells VIC in which # directory it will find the ARCINFO soil files. # ####################################################################### SOIL SOILS_DATA/CHIPR_file_list_opti SOIL_DIR SOILS_DATA/ONE_DEGREE/ ####################################################################### # Vegetation Grid Cell Assingment Parameters # # VEGPARAM is the name of the vegetation parameter file. # ROOT_ZONES is the number of root zones defined in the file. ####################################################################### VEGPARAM VEG_DATA/ONE_DEGREE/LDAS_LAI_veg_param_071699 ROOT_ZONES 3 # Number of root zones defined in VEGPARAM file ####################################################################### # Vegetation Type Parameter Library File # # VEGLIB defines the name of the vegetation library file ####################################################################### VEGLIB VEG_DATA/LDAS_veg_lib ####################################################################### # Snow Band Description File # # SNOW_BAND defines both the number of snow bands available for each # grid cell, and the name of the snow band description file. ####################################################################### SNOW_BAND 5 data/snow_band_data ####################################################################### # Model Output Directory # # RESULT_DIR defines the directory where all VIC model output will # be written. ####################################################################### RESULT_DIR RESULTS/CURRENT_RUN/DAILY/ONE_DEGREE/