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BUGFIX: GDD methods now working and verified
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%% Central Sands, Wisconsin | ||
%% Example of net infiltration calculation with crop water demand | ||
%% and irrigation included in water budget | ||
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! Grid definition: projected coordinates are Wisconsin Transverse Mercator (83/91), meters | ||
! nx ny xll yll resolution | ||
GRID 400 346 545300 432200 90.0 | ||
BASE_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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%% Define methods | ||
----------------- | ||
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INTERCEPTION_METHOD BUCKET | ||
EVAPOTRANSPIRATION_METHOD HARGREAVES | ||
RUNOFF_METHOD CURVE_NUMBER | ||
SOIL_MOISTURE_METHOD FAO-56_TWO_STAGE | ||
PRECIPITATION_METHOD GRIDDED | ||
GROWING_DEGREE_DAY_METHOD MODIFIED_GROWING_DEGREE_DAY | ||
FOG_METHOD NONE | ||
FLOW_ROUTING_METHOD NONE | ||
IRRIGATION_METHOD FAO-56 | ||
ROOTING_DEPTH_METHOD DYNAMIC | ||
CROP_COEFFICIENT_METHOD FAO-56 | ||
DIRECT_RECHARGE_METHOD NONE | ||
SOIL_STORAGE_MAX_METHOD CALCULATED | ||
AVAILABLE_WATER_CONTENT_METHOD GRIDDED | ||
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GROWING_SEASON 133 268 TRUE | ||
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%% define location, projection, and conversions for weather data | ||
---------------------------------------------------------------- | ||
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PRECIPITATION NETCDF prcp_Daymet_v3_%y.nc | ||
PRECIPITATION_GRID_PROJECTION_DEFINITION +proj=lcc +lat_1=25.0 +lat_2=60.0 +lat_0=42.5 +lon_0=-100.0 +x_0=0.0 +y_0=0.0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs | ||
PRECIPITATION_NETCDF_Z_VAR prcp | ||
PRECIPITATION_SCALE_FACTOR 0.03937008 | ||
PRECIPITATION_MISSING_VALUES_CODE -9999.0 | ||
PRECIPITATION_MISSING_VALUES_OPERATOR <= | ||
PRECIPITATION_MISSING_VALUES_ACTION zero | ||
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TMAX NETCDF tmax_Daymet_v3_%y.nc | ||
TMAX_GRID_PROJECTION_DEFINITION +proj=lcc +lat_1=25.0 +lat_2=60.0 +lat_0=42.5 +lon_0=-100.0 +x_0=0.0 +y_0=0.0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs | ||
TMAX_SCALE_FACTOR 1.8 | ||
TMAX_ADD_OFFSET 32.0 | ||
TMAX_MISSING_VALUES_CODE -9999.0 | ||
TMAX_MISSING_VALUES_OPERATOR <= | ||
TMAX_MISSING_VALUES_ACTION mean | ||
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TMIN NETCDF tmin_Daymet_v3_%y.nc | ||
TMIN_GRID_PROJECTION_DEFINITION +proj=lcc +lat_1=25.0 +lat_2=60.0 +lat_0=42.5 +lon_0=-100.0 +x_0=0.0 +y_0=0.0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs | ||
TMIN_SCALE_FACTOR 1.8 | ||
TMIN_ADD_OFFSET 32.0 | ||
TMIN_MISSING_VALUES_CODE -9999.0 | ||
TMIN_MISSING_VALUES_OPERATOR <= | ||
TMIN_MISSING_VALUES_ACTION mean | ||
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INITIAL_CONTINUOUS_FROZEN_GROUND_INDEX CONSTANT 100.0 | ||
UPPER_LIMIT_CFGI 83. | ||
LOWER_LIMIT_CFGI 55. | ||
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%% specify location and projection for input GIS grids | ||
------------------------------------------------------ | ||
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FLOW_DIRECTION ARC_GRID d8_flow_direction.asc | ||
FLOW_DIRECTION_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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HYDROLOGIC_SOILS_GROUP ARC_GRID hydrologic_soils_group.asc | ||
HYDROLOGIC_SOILS_GROUP_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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LAND_USE ARC_GRID landuse.asc | ||
LANDUSE_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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AVAILABLE_WATER_CONTENT ARC_GRID available_water_capacity.asc | ||
AVAILABLE_WATER_CONTENT_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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IRRIGATION_MASK ARC_GRID irrigation_mask_from_cdl.asc | ||
IRRIGATION_MASK_PROJECTION_DEFINITION +proj=tmerc +lat_0=0.0 +lon_0=-90.0 +k=0.9996 +x_0=520000 +y_0=-4480000 +datum=NAD83 +units=m | ||
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%% specify location and names for all lookup tables | ||
--------------------------------------------------- | ||
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LAND_USE_LOOKUP_TABLE Landuse_lookup_CDL.txt | ||
IRRIGATION_LOOKUP_TABLE Irrigation_lookup_CDL.txt | ||
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%% initial conditions for soil moisture and snow storage amounts | ||
%% may be specified as grids, but using a constant amount and | ||
%% allowing the model to "spin up" for a year is also acceptable. | ||
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INITIAL_PERCENT_SOIL_MOISTURE CONSTANT 100.0 | ||
INITIAL_SNOW_COVER_STORAGE CONSTANT 2.0 | ||
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# POTATOES | ||
DUMP_VARIABLES COORDINATES 561167. 445224. | ||
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# RYE | ||
DUMP_VARIABLES COORDINATES 546094., 438492. | ||
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# EVERGREEN FOREST | ||
DUMP_VARIABLES COORDINATES 556791. 457569. | ||
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# WINTER WHEAT | ||
DUMP_VARIABLES COORDINATES 568129. 458340. | ||
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# DEC FOREST | ||
DUMP_VARIABLES COORDINATES 553927. 459454. | ||
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# SWEET CORN | ||
DUMP_VARIABLES COORDINATES 555602. 434644. | ||
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# SOYBEANS | ||
DUMP_VARIABLES COORDINATES 558663. 432949. | ||
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# SUGAR BEETS | ||
DUMP_VARIABLES COORDINATES 570741. 445112. | ||
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OUTPUT ENABLE bare_soil_evaporation crop_et snowmelt soil_storage delta_soil_storage | ||
OUTPUT ENABLE growing_season growing_degree_day | ||
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%% start and end date may be any valid dates in SWB version 2.0 | ||
%% remember to allow for adequate model spin up; running the | ||
%% model for just a month or two will give questionable results | ||
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START_DATE 01/01/2012 | ||
END_DATE 12/31/2013 |
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