Oil budget (NOAA)

from datetime import datetime
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.openoil import OpenOil

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

# Using constand wind and current
#o.set_config('environment:fallback:x_wind', 7)
#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)

# Arome atmospheric model
reader_arome = reader_netCDF_CF_generic.Reader(o.test_data_folder() + '16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc')
# Norkyst ocean model
reader_norkyst = reader_netCDF_CF_generic.Reader(o.test_data_folder() + '16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc')

o.add_reader([reader_arome, reader_norkyst])

12:55:16 INFO    opendrift.models.basemodel:515: OpenDriftSimulation initialised (version 1.11.13 / v1.11.13-99-gd2132d3)
12:55:16 INFO    opendrift.readers.reader_netCDF_CF_generic:102: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc
12:55:16 INFO    opendrift.readers.reader_netCDF_CF_generic:325: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'}
12:55:16 INFO    opendrift.readers.reader_netCDF_CF_generic:102: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc
12:55:17 INFO    opendrift.readers.reader_netCDF_CF_generic:325: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'}

Adjusting some configuration

o.set_config('processes:dispersion', False)
o.set_config('processes:evaporation', True)
o.set_config('processes:emulsification', True)
o.set_config('drift:vertical_mixing', True)

Seeding some oil particles

oil_type='MARTIN LINGE CRUDE 2016'
o.seed_elements(lon=4.88, lat=60.1, z=0, radius=3000, number=500,
                time=reader_norkyst.start_time, oil_type=oil_type)

12:55:17 INFO    opendrift.models.openoil.adios.dirjs:90: Querying ADIOS database for oil: MARTIN LINGE CRUDE 2016
12:55:17 INFO    opendrift.models.openoil.openoil:1719: Using density 930.00252 and viscosity 0.0003426469471271408 of oiltype MARTIN LINGE CRUDE 2016
12:55:17 INFO    opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1.3 m/s. Adding a customised landmask may be faster...
12:55:20 INFO    opendrift.models.basemodel.environment:245: Fallback values will be used for the following variables which have no readers:
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_height: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    upward_sea_water_velocity: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_significant_height: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_ice_area_fraction: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_ice_x_velocity: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_ice_y_velocity: 0.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_water_temperature: 10.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_water_salinity: 34.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    sea_floor_depth_below_sea_level: 10000.000000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    ocean_vertical_diffusivity: 0.020000
12:55:20 INFO    opendrift.models.basemodel.environment:248:    ocean_mixed_layer_thickness: 50.000000

Running model

o.run(steps=4*24, time_step=900, time_step_output=3600)

12:55:21 INFO    opendrift.models.basemodel:936: Using existing reader for land_binary_mask
12:55:21 INFO    opendrift.models.basemodel:947: All points are in ocean
12:55:21 INFO    opendrift.models.openoil.openoil:687: Oil-water surface tension is 0.033729 Nm
12:55:21 INFO    opendrift.models.openoil.openoil:696: Using max water fractions [0.72, 0.78] for temperatures [5.0, 15.0] for oiltype MARTIN LINGE CRUDE 2016
12:55:21 INFO    opendrift.models.openoil.openoil:697: Corresponding max water fraction from GNOME is 0.731347796266117
12:55:21 INFO    opendrift.models.basemodel:2038: 2015-11-16 00:00:00 - step 1 of 96 - 500 active elements (0 deactivated)
/root/project/opendrift/readers/interpolation/interpolators.py:17: RuntimeWarning: overflow encountered in cast
  data[mask] = np.finfo(np.float64).min
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12:55:25 WARNING opendrift.readers.basereader.structured:324: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
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12:55:27 WARNING opendrift.readers.basereader.structured:324: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
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12:55:29 WARNING opendrift.readers.basereader.structured:324: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (4) must be increased. See `Variables.set_buffer_size`.
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12:55:29 WARNING opendrift.readers.basereader.structured:324: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.
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12:55:29 WARNING opendrift.readers.basereader.structured:324: Data block from /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc not large enough to cover element positions within timestep. Buffer size (8) must be increased. See `Variables.set_buffer_size`.

Print and plot results

o.plot_oil_budget()
o.plot(fast=True)
o.animation(fast=True)
#o.plot_oil_budget('oil_budget_MartinLingeCrude.png')

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12:55:29 WARNING opendrift.models.basemodel:2411: Plotting fast. This will make your plots less accurate.
12:55:32 WARNING opendrift.models.basemodel:2411: Plotting fast. This will make your plots less accurate.
/opt/conda/envs/opendrift/lib/python3.11/site-packages/cartopy/mpl/geoaxes.py:1692: UserWarning: No data for colormapping provided via 'c'. Parameters 'cmap' will be ignored
  result = super().scatter(*args, **kwargs)
12:55:34 INFO    opendrift.models.basemodel:4613: Saving animation to /root/project/docs/source/gallery/animations/example_oil_budget_noaa_0.gif...
12:55:48 INFO    opendrift.models.basemodel:3037: Time to make animation: 0:00:16.164663

o.plot_property('fraction_evaporated')
o.plot_property('density')
o.plot_property('water_fraction')
o.plot_property('viscosity')
o.plot_property('interfacial_area')
o.plot_property('z')

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