Oil budget

from datetime import timedelta
from opendrift import test_data_folder as tdf
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.openoil import OpenOil

o = OpenOil(loglevel=20, weathering_model='noaa')

# Arome
reader_arome = reader_netCDF_CF_generic.Reader(tdf +
    '16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc')
#reader_arome = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc')

# Norkyst
reader_norkyst = reader_netCDF_CF_generic.Reader(tdf +
    '16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc')
#reader_norkyst = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be')

o.add_reader([reader_norkyst, reader_arome])

18:02 INFO    opendrift:569: OpenDriftSimulation initialised (version 1.14.9 / v1.14.9-61-g2d35ef6)
18:02 INFO    opendrift.readers:67: Opening file with xr.open_dataset
18:02 INFO    opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
18:02 INFO    opendrift.readers:67: Opening file with xr.open_dataset
18:03 INFO    opendrift.readers.reader_netCDF_CF_generic:340: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}

Adjusting some configuration

o.set_config('processes:dispersion', True)
o.set_config('processes:evaporation', True)
o.set_config('processes:emulsification', True)
o.set_config('drift:vertical_mixing', True)
o.set_config('vertical_mixing:timestep', 20.) # seconds
#o.set_config('environment:fallback:x_wind', 9)
#o.set_config('environment:fallback:y_wind', 0)
#o.set_config('environment:fallback:x_sea_water_velocity', .7)
#o.set_config('environment:fallback:y_sea_water_velocity', .3)
#o.set_config('environment:fallback:land_binary_mask', 0)

Seed oil elements at defined position and time

oil_type = 'IFO-380LS 2014'
oil_type = 'IFO 300'
oil_type = 'IFO-180NS 2014'
oil_type = 'GENERIC LIGHT CRUDE'
oil_type = 'GENERIC HEAVY CRUDE'
o.seed_elements(lon=4.8, lat=60.0, z=0, radius=3000, number=1000,
                time=reader_arome.start_time, oil_type=oil_type)

18:03 INFO    opendrift.models.openoil.adios.dirjs:86: Querying ADIOS database for oil: GENERIC HEAVY CRUDE
18:03 INFO    opendrift.models.openoil.openoil:1731: Using density 963.50937 and viscosity 0.007984481780964631 of oiltype GENERIC HEAVY CRUDE
18:03 INFO    opendrift.models.basemodel.environment:203: Adding a global landmask from GSHHG
18:07 INFO    opendrift.models.basemodel.environment:227: Fallback values will be used for the following variables which have no readers:
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_height: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    upward_sea_water_velocity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_significant_height: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_ice_area_fraction: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_ice_x_velocity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_ice_y_velocity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_water_temperature: 10.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_water_salinity: 34.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    sea_floor_depth_below_sea_level: 10000.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    horizontal_diffusivity: 0.000000
18:07 INFO    opendrift.models.basemodel.environment:230:    ocean_vertical_diffusivity: 0.020000
18:07 INFO    opendrift.models.basemodel.environment:230:    ocean_mixed_layer_thickness: 50.000000

Running model

o.run(duration=timedelta(hours=24), time_step=1800)

o.plot_oil_budget(show_watercontent_and_viscosity=True, show_wind_and_current=True)

o.animation(color='viscosity')

GENERIC HEAVY CRUDE (963.5 kg/m3) - 2015-11-16 00:00 to 2015-11-17 00:00

18:07 INFO    opendrift:1903: Skipping environment variable upward_sea_water_velocity because of condition ['drift:vertical_advection', 'is', False]
18:07 INFO    opendrift:1914: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
18:07 INFO    opendrift:1914: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
18:07 INFO    opendrift:955: Using existing reader for land_binary_mask to move elements to ocean
18:07 INFO    opendrift:986: All points are in ocean
18:07 INFO    opendrift.models.openoil.openoil:697: Oil-water surface tension is 0.035048 Nm
18:07 INFO    opendrift.models.openoil.openoil:710: Max water fraction not available for GENERIC HEAVY CRUDE, using default
18:07 INFO    opendrift:2211: 2015-11-16 00:00:00 - step 1 of 48 - 1000 active elements (0 deactivated)
18:07 INFO    opendrift:2211: 2015-11-16 00:30:00 - step 2 of 48 - 1000 active elements (0 deactivated)
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18:17 INFO    opendrift:2211: 2015-11-16 23:30:00 - step 48 of 48 - 606 active elements (394 deactivated)
18:28 INFO    opendrift:4777: Saving animation to /root/project/docs/source/gallery/animations/example_oil_budget_0.gif...
19:00 INFO    opendrift:3200: Time to make animation: 0:00:43.200667

Total running time of the script: (1 minutes 4.579 seconds)

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