Note
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River runoff
import os
from datetime import datetime, timedelta
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.dates import DateFormatter
import opendrift
from opendrift.models.oceandrift import OceanDrift
from opendrift.readers import reader_oscillating
outfile = 'runoff.nc' # Raw simulation output
histogram_file = 'runoff_histogram.nc'
First make a simulation with two seedings, marked by origin_marker
o = OceanDrift(loglevel=20)
o.set_config('drift:horizontal_diffusivity', 300)
o.set_config('general:coastline_action', 'previous')
t1 = datetime.now()
t2 = t1 + timedelta(hours=48)
reader_x = reader_oscillating.Reader('x_sea_water_velocity', period_seconds=3600*24,
amplitude=1, zero_time=t1)
reader_y = reader_oscillating.Reader('y_sea_water_velocity', period_seconds=3600*72,
amplitude=.5, zero_time=t2)
o.add_reader([reader_x, reader_y])
number = 25000
o.seed_elements(time=[t1, t2], lon=9.017931, lat=58.562702, number=number,
origin_marker_name='River 1') # River 1
o.seed_elements(time=[t1, t2], lon=8.824815, lat=58.425648, number=number,
origin_marker_name='River 2') # River 2
seed_times = o.elements_scheduled_time[0:number]
o.run(duration=timedelta(hours=48),
time_step=1800, time_step_output=3600, outfile=outfile)
12:54:03 INFO opendrift.models.basemodel:515: OpenDriftSimulation initialised (version 1.11.13 / v1.11.13-99-gd2132d3)
12:54:03 INFO opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 2.0 m/s. Adding a customised landmask may be faster...
12:54:07 INFO opendrift.models.basemodel.environment:245: Fallback values will be used for the following variables which have no readers:
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_height: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: x_wind: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: y_wind: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: upward_sea_water_velocity: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: ocean_vertical_diffusivity: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_significant_height: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_stokes_drift_x_velocity: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_stokes_drift_y_velocity: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_to_direction: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_peak_period_from_variance_spectral_density: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_significant_height: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_to_direction: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_mean_period: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_significant_height: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: surface_downward_x_stress: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: surface_downward_y_stress: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: turbulent_kinetic_energy: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: turbulent_generic_length_scale: 0.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: ocean_mixed_layer_thickness: 50.000000
12:54:07 INFO opendrift.models.basemodel.environment:248: sea_floor_depth_below_sea_level: 10000.000000
12:54:10 INFO opendrift.models.basemodel:936: Using existing reader for land_binary_mask
12:54:10 INFO opendrift.models.basemodel:947: All points are in ocean
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12:54:30 INFO opendrift.export.io_netcdf:121: Wrote 49 steps to file runoff.nc
/opt/conda/envs/opendrift/lib/python3.11/site-packages/numpy/ma/core.py:467: RuntimeWarning: invalid value encountered in cast
fill_value = np.array(fill_value, copy=False, dtype=ndtype)
Opening the output file lazily with Xarray. This will work even if the file is too large to fit in memory, as it will read and process data chuck-by-chunk directly from file using Dask.
o = opendrift.open_xarray(outfile)
12:54:38 DEBUG opendrift.config:168: Adding 18 config items from __init__
12:54:38 DEBUG opendrift.config:178: Overwriting config item readers:max_number_of_fails
12:54:38 DEBUG opendrift.config:168: Adding 5 config items from __init__
12:54:38 INFO opendrift.models.basemodel:515: OpenDriftSimulation initialised (version 1.11.13 / v1.11.13-99-gd2132d3)
12:54:38 DEBUG opendrift.config:168: Adding 15 config items from oceandrift
12:54:38 DEBUG opendrift.config:178: Overwriting config item seed:z
12:54:38 DEBUG opendrift.export.io_netcdf:239: Importing with Xarray from runoff.nc
12:54:38 INFO opendrift:118: Returning <class 'opendrift.models.oceandrift.OceanDrift'> object
We want to extract timeseries of river water at the coordinates of a hypothetical measuring station as well as the amount of river water passing through two defined areas/regions
station_lon = 9.4
station_lat = 58.1
box1_lon = [8.4, 8.8]
box1_lat = [57.9, 58.1]
box2_lon = [9.5, 9.9]
box2_lat = [58.3, 58.5]
Animation of the spatial density of river runoff water. Although there are the same number of elements from each river, the density plots are weighted with the actual runoff at time of seeding. This weighting can be done/changed afterwards without needing to redo the simulation. The calculated density fields will be stored/cached in the analysis file for later re-use, as their calculation may be time consuming for huge output files. Note that other analysis/plotting methods are not yet adapted to datasets opened lazily with open_xarray
runoff_river1 = np.abs(np.cos(np.arange(number)*2*np.pi/(number))) # Impose a temporal variation of runoff
runoff_river2 = 10*runoff_river1 # Let river 2 have 10 times as large runoff as river 1
runoff = np.concatenate((runoff_river1, runoff_river2))
Calculate density with given pixel size, weighted by runoff amount per element
river_water = o.get_histogram(pixelsize_m=1500, weights=runoff, density=False)
rw = river_water.sum(dim='origin_marker') # For both rivers
#rw = river_water.isel(origin_marker=1) # For one of the rivers
river_water.name = 'River water [m3/cell]'
text = [{'s': o.origin_marker[0], 'x': 8.55, 'y': 58.56, 'fontsize': 20, 'color': 'g',
'backgroundcolor': 'white', 'bbox': dict(facecolor='white', alpha=0.8), 'zorder': 1000},
{'s': o.origin_marker[1], 'x': 8.35, 'y': 58.42, 'fontsize': 20, 'color': 'g',
'backgroundcolor': 'white', 'bbox': dict(facecolor='white', alpha=0.8), 'zorder': 1000},
{'s': '* Station', 'x': station_lon, 'y': station_lat, 'fontsize': 20, 'color': 'k',
'backgroundcolor': 'white', 'bbox': dict(facecolor='none', edgecolor='none', alpha=0.4), 'zorder': 1000}]
box = [{'lon': box1_lon, 'lat': box1_lat, 'text': 'Area 1', 'fc': 'none', 'alpha': 0.8, 'lw': 1, 'ec': 'k'},
{'lon': box2_lon, 'lat': box2_lat, 'text': 'Area 2', 'fc': 'none', 'alpha': 0.8, 'lw': 1, 'ec': 'k'}]
o.animation(background=rw.where(rw>0), bgalpha=1, fast=False,
show_elements=False, vmin=0, vmax=120, text=text, box=box)
12:54:38 INFO opendrift.models.basemodel:3892: calculating for origin_marker 0...
12:54:38 INFO opendrift.models.basemodel:3892: calculating for origin_marker 1...
12:54:39 DEBUG opendrift.models.basemodel:2365: Setting up map: corners=None, fast=False, lscale=None
12:54:39 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
/opt/conda/envs/opendrift/lib/python3.11/site-packages/cartopy/mpl/geoaxes.py:1692: UserWarning: No data for colormapping provided via 'c'. Parameters 'cmap', 'vmin', 'vmax' will be ignored
result = super().scatter(*args, **kwargs)
12:54:56 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:54:57 DEBUG opendrift.models.basemodel:3044: Saving animation..
12:54:57 INFO opendrift.models.basemodel:4613: Saving animation to /root/project/docs/source/gallery/animations/example_river_runoff_0.gif...
12:54:58 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:54:59 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:01 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:02 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:04 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:05 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:06 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:08 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:09 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:10 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:12 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:13 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:15 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:16 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:18 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:19 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:21 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:22 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:24 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:25 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:26 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:28 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:29 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:31 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:32 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:33 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:35 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:36 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:38 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:39 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:41 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:42 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:44 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:45 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:46 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:48 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:49 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:51 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:52 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:53 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:55 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:56 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:58 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:55:59 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:01 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:02 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:04 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:05 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:06 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:08 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:09 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:11 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:12 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:13 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:15 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:16 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:18 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:19 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:21 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:22 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:24 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:25 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:26 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:28 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:29 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:31 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:32 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:33 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:35 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:36 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:38 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:39 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:41 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:42 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:44 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:45 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:46 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:48 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:49 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:51 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:52 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:53 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:55 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:56 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:58 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:56:59 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:01 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:02 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:04 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:05 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:06 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:08 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:09 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:11 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:12 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:13 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:15 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:16 DEBUG opendrift.readers.reader_global_landmask:78: Adding GSHHG shapes from cartopy, scale: h, extent: (7.309537506103514, 10.789533996582032, 57.41804962158203, 58.819724273681636)..
12:57:19 DEBUG opendrift.models.basemodel:4651: MPLBACKEND = agg
12:57:19 DEBUG opendrift.models.basemodel:4652: DISPLAY = None
12:57:19 DEBUG opendrift.models.basemodel:4653: Time to save animation: 0:02:21.391194
12:57:19 INFO opendrift.models.basemodel:3037: Time to make animation: 0:02:40.313226
Plotting time series of river runoff, and corresponding water passing through the station and the two defined areas/boxes
fig, (ax1, ax2, ax3, ax4) = plt.subplots(4, 1)
# Runoff
ax1.plot(seed_times, runoff_river1, label=o.origin_marker[0])
ax1.plot(seed_times, runoff_river2, label=o.origin_marker[1])
ax1.set_ylabel('Runoff [m3/s]')
ax1.set_title('Runoff')
# Area 1
t1 = river_water.sel(lon_bin=slice(box1_lon[0], box1_lon[1]),
lat_bin=slice(box1_lat[0], box1_lat[1]))
t1 = t1.sum(('lon_bin', 'lat_bin'))
t1.isel(origin_marker=0).plot(label=o.origin_marker[0], ax=ax2)
t1.isel(origin_marker=1).plot(label=o.origin_marker[1], ax=ax2)
t1.sum(dim='origin_marker').plot(label='Total', linestyle='--', ax=ax2)
ax2.set_title('Amount of water passing through Area 1')
# Area 2
t2 = river_water.sel(lon_bin=slice(box2_lon[0], box2_lon[1]),
lat_bin=slice(box2_lat[0], box2_lat[1]))
t2 = t2.sum(('lon_bin', 'lat_bin'))
t2.isel(origin_marker=0).plot(label=o.origin_marker[0], ax=ax3)
t2.isel(origin_marker=1).plot(label=o.origin_marker[1], ax=ax3)
t2.sum(dim='origin_marker').plot(label='Total', linestyle='--', ax=ax3)
ax3.set_title('Amount of water passing through Area 2')
# Extracting time series at the location of the station
t = river_water.sel(lon_bin=station_lon, lat_bin=station_lat, method='nearest')
t.isel(origin_marker=0).plot(label=o.origin_marker[0], ax=ax4)
t.isel(origin_marker=1).plot(label=o.origin_marker[1], ax=ax4)
t.sum(dim='origin_marker').plot(label='Total', linestyle='--', ax=ax4)
ax4.legend()
ax4.margins(x=0)
for ax in [ax1, ax2, ax3]:
ax.margins(x=0)
ax.legend()
#ax.set_xticks([])
ax.set_xlabel(None)
ax4.set_title('Density of water at Station')
# TODO disabling due to recent problem with dateformatter
#ax4.xaxis.set_major_formatter(DateFormatter("%d %b %H"))
plt.show()
Finally, plot the spatial distribution of mean age of water
num = o.get_histogram(pixelsize_m=1500, weights=None, density=False)
num.name = 'number'
num.to_netcdf(histogram_file)
mas = o.get_histogram(pixelsize_m=1500, weights=o.ds['age_seconds'], density=False)
mas = mas/3600 # in hours
mas = mas/num # per area
mas.name='mean_age'
mas.to_netcdf(histogram_file, 'a')
mas = mas.mean(dim='time').sum(dim='origin_marker') # Mean time of both rivers
#mas = mas.mean(dim='time').isel(origin_marker=1) # Mean age of a single river
mas.name='Mean age of water [hours]'
o.plot(background=mas.where(mas>0), fast=True, show_elements=False)
# Cleaning up
os.remove(outfile)
os.remove(histogram_file)
12:57:20 INFO opendrift.models.basemodel:3892: calculating for origin_marker 0...
12:57:20 INFO opendrift.models.basemodel:3892: calculating for origin_marker 1...
12:57:20 INFO opendrift.models.basemodel:3892: calculating for origin_marker 0...
12:57:20 INFO opendrift.models.basemodel:3892: calculating for origin_marker 1...
12:57:20 DEBUG opendrift.models.basemodel:2365: Setting up map: corners=None, fast=True, lscale=None
12:57:20 WARNING opendrift.models.basemodel:2411: Plotting fast. This will make your plots less accurate.
Total running time of the script: (3 minutes 23.607 seconds)