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ROMS native reader
import numpy as np
from opendrift import test_data_folder
from opendrift.readers import reader_ROMS_native
from opendrift.models.oceandrift import OceanDrift
o = OceanDrift(loglevel=20) # Set loglevel to 0 for debug information
08:57:10 INFO opendrift:513: OpenDriftSimulation initialised (version 1.14.2 / v1.14.2-108-gbbc988b)
Creating and adding reader for Nordic 4km current dataset
nordic_native = reader_ROMS_native.Reader(test_data_folder +
'2Feb2016_Nordic_sigma_3d/Nordic-4km_SLEVELS_avg_00_subset2Feb2016.nc')
o.add_reader(nordic_native)
08:57:10 INFO opendrift.readers:61: Opening file with xr.open_dataset
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for land_binary_mask, selecting mask_psi, and discarding mask_rho
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for latitude, selecting lat_psi, and discarding lat_rho
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for latitude, selecting lat_psi, and discarding lat_u
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for latitude, selecting lat_psi, and discarding lat_v
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for longitude, selecting lon_psi, and discarding lon_rho
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for longitude, selecting lon_psi, and discarding lon_u
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for longitude, selecting lon_psi, and discarding lon_v
08:57:11 WARNING opendrift.readers.reader_ROMS_native:282: Duplicate variables for ocean_s_coordinate_g2, selecting s_rho, and discarding s_w
08:57:11 INFO opendrift.readers.reader_ROMS_native:289: The following variables without standard_name are discarded: ['AICEnudass', 'Akk_bak', 'Akp_bak', 'Akt_bak', 'Akv_bak', 'Charnok_alpha', 'CrgBan_cw', 'Cs_r', 'Cs_w', 'FSobc_in', 'FSobc_out', 'Falpha', 'Fbeta', 'Fgamma', 'LtracerSrc', 'M2nudg', 'M2obc_in', 'M2obc_out', 'M3nudg', 'M3obc_in', 'M3obc_out', 'Tcline', 'Tnudg', 'Tobc_in', 'Tobc_out', 'Vstretching', 'Vtransform', 'Znudg', 'Zob', 'Zos', 'Zos_hsig_alpha', 'angle', 'dstart', 'dt', 'dtfast', 'el', 'f', 'gamma2', 'gls_Kmin', 'gls_Pmin', 'gls_c1', 'gls_c2', 'gls_c3m', 'gls_c3p', 'gls_cmu0', 'gls_m', 'gls_n', 'gls_p', 'gls_sigk', 'gls_sigp', 'hc', 'mask_u', 'mask_v', 'nAVG', 'nHIS', 'nRST', 'nSTA', 'ndefAVG', 'ndefHIS', 'ndtfast', 'ntimes', 'ntsAVG', 'pm', 'pn', 'rdrg', 'rdrg2', 'rho0', 'spherical', 'swrad', 'sz_alpha', 'theta_b', 'theta_s', 'ubar', 'vbar', 'xl', 'zeta_detided', 'ocean_time']
08:57:11 WARNING opendrift.readers.basereader.structured:50: No proj string or projection could be derived for reader roms native, using 'fakeproj'.
08:57:11 INFO opendrift.readers.basereader.structured:88: Making interpolator for lon,lat to x,y conversion...
Seed elements at defined positions, depth and time
o.seed_elements(lon=12.0, lat=68.3, radius=0, number=10,
z=np.linspace(0, -150, 10), time=nordic_native.start_time)
08:57:11 INFO opendrift.models.basemodel.environment:206: Adding a global landmask from GSHHG
08:57:15 INFO opendrift.models.basemodel.environment:229: Fallback values will be used for the following variables which have no readers:
08:57:15 INFO opendrift.models.basemodel.environment:232: x_wind: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: y_wind: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: upward_sea_water_velocity: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: ocean_vertical_diffusivity: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_significant_height: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_x_velocity: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_y_velocity: 0.000000
08:57:15 INFO opendrift.models.basemodel.environment:232: ocean_mixed_layer_thickness: 50.000000
Running model
o.run(time_step=3600)
08:57:15 INFO opendrift:1733: Skipping environment variable ocean_vertical_diffusivity because of condition ['drift:vertical_mixing', 'is', False]
08:57:15 INFO opendrift:1733: Skipping environment variable ocean_mixed_layer_thickness because of condition ['drift:vertical_mixing', 'is', False]
08:57:15 INFO opendrift:1744: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
08:57:15 INFO opendrift:1744: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous']))
08:57:15 INFO opendrift:1752: Storing previous values of environment variable sea_surface_height because of condition ['drift:vertical_advection', 'is', True]
08:57:15 INFO opendrift:1813: Duration, steps or end time not specified, running until end of first reader: 2016-02-04 12:00:00
08:57:15 INFO opendrift:1813: Duration, steps or end time not specified, running until end of first reader: 2016-02-04 12:00:00
08:57:15 INFO opendrift:899: Using existing reader for land_binary_mask to move elements to ocean
08:57:15 INFO opendrift:929: All points are in ocean
08:57:15 INFO opendrift:2036: 2016-02-02 12:00:00 - step 1 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift.readers.reader_ROMS_native:339: Using mask_rho for mask_rho
08:57:15 INFO opendrift.readers.reader_ROMS_native:390: Using zeta for sea surface height
08:57:15 INFO opendrift.readers.reader_ROMS_native:360: Using mask_u for mask_u
08:57:15 INFO opendrift.readers.reader_ROMS_native:611: Time: 0:00:00.051889
08:57:15 INFO opendrift.readers.reader_ROMS_native:381: Using mask_v for mask_v
08:57:15 INFO opendrift.readers.reader_ROMS_native:404: Using angle from Dataset.
08:57:15 INFO opendrift:2036: 2016-02-02 13:00:00 - step 2 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 14:00:00 - step 3 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 15:00:00 - step 4 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 16:00:00 - step 5 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 17:00:00 - step 6 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 18:00:00 - step 7 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 19:00:00 - step 8 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 20:00:00 - step 9 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 21:00:00 - step 10 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 22:00:00 - step 11 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-02 23:00:00 - step 12 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 00:00:00 - step 13 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 01:00:00 - step 14 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 02:00:00 - step 15 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 03:00:00 - step 16 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 04:00:00 - step 17 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 05:00:00 - step 18 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 06:00:00 - step 19 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 07:00:00 - step 20 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 08:00:00 - step 21 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 09:00:00 - step 22 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 10:00:00 - step 23 of 48 - 10 active elements (0 deactivated)
08:57:15 INFO opendrift:2036: 2016-02-03 11:00:00 - step 24 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 12:00:00 - step 25 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 13:00:00 - step 26 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 14:00:00 - step 27 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 15:00:00 - step 28 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 16:00:00 - step 29 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 17:00:00 - step 30 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 18:00:00 - step 31 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 19:00:00 - step 32 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 20:00:00 - step 33 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 21:00:00 - step 34 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 22:00:00 - step 35 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-03 23:00:00 - step 36 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 00:00:00 - step 37 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 01:00:00 - step 38 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 02:00:00 - step 39 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 03:00:00 - step 40 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 04:00:00 - step 41 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 05:00:00 - step 42 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 06:00:00 - step 43 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 07:00:00 - step 44 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 08:00:00 - step 45 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 09:00:00 - step 46 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 10:00:00 - step 47 of 48 - 10 active elements (0 deactivated)
08:57:16 INFO opendrift:2036: 2016-02-04 11:00:00 - step 48 of 48 - 10 active elements (0 deactivated)
Print and plot results, with lines colored by particle depth
print(o)
o.plot(linecolor='z', fast=True)
#o.animation()
===========================
--------------------
Reader performance:
--------------------
roms native
0:00:00.2 total
0:00:00.0 preparing
0:00:00.2 reading
0:00:00.0 interpolation
0:00:00.0 interpolation_time
0:00:00.0 rotating vectors
0:00:00.0 masking
--------------------
global_landmask
0:00:00.0 total
0:00:00.0 preparing
0:00:00.0 reading
0:00:00.0 masking
--------------------
Performance:
5.7 total time
4.6 configuration
0.0 preparing main loop
0.0 moving elements to ocean
1.1 main loop
0.0 updating elements
0.0 cleaning up
--------------------
===========================
Model: OceanDrift (OpenDrift version 1.14.2)
10 active Lagrangian3DArray particles (0 deactivated, 0 scheduled)
-------------------
Environment variables:
-----
sea_floor_depth_below_sea_level
sea_surface_height
x_sea_water_velocity
y_sea_water_velocity
1) roms native
-----
land_binary_mask
1) global_landmask
-----
Readers not added for the following variables:
sea_surface_wave_significant_height
sea_surface_wave_stokes_drift_x_velocity
sea_surface_wave_stokes_drift_y_velocity
upward_sea_water_velocity
x_wind
y_wind
Discarded readers:
Time:
Start: 2016-02-02 12:00:00 UTC
Present: 2016-02-04 12:00:00 UTC
Calculation steps: 48 * 1:00:00 - total time: 2 days, 0:00:00
Output steps: 49 * 1:00:00
===========================
08:57:16 WARNING opendrift:2392: Plotting fast. This will make your plots less accurate.
(<GeoAxes: title={'center': 'OpenDrift - OceanDrift\n2016-02-02 12:00 to 2016-02-04 12:00 UTC (49 steps)'}>, <Figure size 1017.13x1100 with 2 Axes>)
Total running time of the script: (0 minutes 12.691 seconds)