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     data   graph     public SPI - Reconstructed sea state using ship motion data recorded during the Antarctic
Circumnavigation Expedition (ACE).
   ?   F   I   M   background (external link) RSS Subscribe
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SPI_10_5281_zenodo_4541563

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=2,netcdf=4.7.3,hdf5=1.10.6
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL citation String Derkani, M.H., Nelli, F., Alberello, A. and Toffoli, A. (2021). Reconstructed sea state using ship motion data recorded during the Antarctic Circumnavigation Expedition (ACE). (Version 1.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.4541564
attribute NC_GLOBAL contributors String [{'title': 'Marzieh H. Derkani', 'path': 'https://orcid.org/0000-0001-7989-2192', 'email': 'marzieh.h.derkani@gmail.com', 'role': 'author', 'organisation': 'Department of Infrastructure Engineering, The University of Melbourne, 3010, Melbourne, VIC, Australia'}, {'title': 'Filippo Nelli', 'path': 'https://orcid.org/0000-0003-4206-8516', 'role': 'author', 'organisation': 'Department of Infrastructure Engineering, The University of Melbourne, 3010, Melbourne, VIC, Australia'}, {'title': 'Alberto Alberello', 'path': 'https://orcid.org/', 'role': 'author', 'organisation': 'Graduate School of Frontier Sciences, The University of Tokyo, 277-8561, Kashiwa, Chiba, Japan'}, {'title': 'Alessandro Toffoli', 'path': 'https://orcid.org/', 'email': 'toffoli.alessandro@gmail.com', 'role': 'author', 'organisation': 'Department of Infrastructure Engineering, The University of Melbourne, 3010, Melbourne, VIC, Australia'}, {'title': 'Jen Thomas', 'path': 'https://orcid.org/0000-0002-5986-7026', 'email': 'jen@falciot.net', 'role': 'publisher', 'organisation': 'Swiss Polar Institute, Switzerland'}]
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_name String Marzieh H. Derkani
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://orcid.org/0000-0001-7989-2192 (external link)
attribute NC_GLOBAL dataset_date_created String 2021-03-08
attribute NC_GLOBAL DOI String https://doi.org/10.5281/zenodo.4541564 (external link)
attribute NC_GLOBAL Easternmost_Easting double 359.389355
attribute NC_GLOBAL geospatial_lat_max double 29.711182
attribute NC_GLOBAL geospatial_lat_min double -72.59164
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 359.389355
attribute NC_GLOBAL geospatial_lon_min double 0.625406
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://doi.org/10.5281/zenodo.4541564 (external link)
attribute NC_GLOBAL institution String Department of Infrastructure Engineering, The University of Melbourne, 3010, Melbourne, VIC, Australia
attribute NC_GLOBAL keywords String ACE, Antarctic Circumnavigation Expedition, sea state, ship motion, Southern Ocean
attribute NC_GLOBAL license String CC-BY-4.0
attribute NC_GLOBAL Northernmost_Northing double 29.711182
attribute NC_GLOBAL platform_code String UBXH3_ACE_4541563
attribute NC_GLOBAL platform_name String R/V Akademik Tryoshnikov
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -72.59164
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String The Antarctic Circumnavigation Expedition (ACE) took place aboard the Russian icebreaker, Akademik Tryoshnikov, from December 2016 to March 2017. Throughout the expedition, the ship's motion was recorded with an Inertial Measurement Unit (IMU) at a sampling rate of 1 Hz. The sea state is reconstructed based on the ship's motion relying on the principle that the vessel is a rigid body with six degrees of freedom that moves in response to the incident wave field and restoring forces. The relation between the ship's motion and the wave field is evaluated via the response amplitude operator R(f), i.e. a ship-specific function that translates the motion spectrum into the wave spectrum. Motion spectra were evaluated by applying a Discrete Fourier Transform to 5-minute time series of heave motion. An approximation of R(f) for the Akademik Tryoshnikov was calculated solving the equation of motion with a model based on the boundary element method.
attribute NC_GLOBAL time_coverage_end String 2017-03-17T23:54:58Z
attribute NC_GLOBAL time_coverage_start String 2016-11-27T10:04:58Z
attribute NC_GLOBAL title String SPI - Reconstructed sea state using ship motion data recorded during the Antarctic Circumnavigation Expedition (ACE).
attribute NC_GLOBAL type String ferrybox/ship
attribute NC_GLOBAL Westernmost_Easting double 0.625406
variable time   double  
attribute time _ChunkSizes int 512
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.480241098E9, 1.489794898E9
attribute time axis String T
attribute time description String time
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
attribute time x_spi_emodnet_visualise_variable String False
variable latitude   double  
attribute latitude _ChunkSizes int 512
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double -72.59164, 29.711182
attribute latitude attribute String Latitude of the vessel at the time of the end of the averaging period
attribute latitude axis String Y
attribute latitude description String Latitude of the vessel at the time of the end of the averaging period [degree_north]
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude spi_original_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude x_spi_emodnet_visualise_variable String True
variable longitude   double  
attribute longitude _ChunkSizes int 512
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double 0.625406, 359.389355
attribute longitude attribute String Longitude of the vessel at the time of the end of the averaging period
attribute longitude axis String X
attribute longitude description String Longitude of the vessel at the time of the end of the averaging period [degree_east]
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude spi_original_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude x_spi_emodnet_visualise_variable String True
variable sea_surface_wave_significant_height   double  
attribute sea_surface_wave_significant_height _ChunkSizes int 512
attribute sea_surface_wave_significant_height actual_range double 0.097031, 6.465441
attribute sea_surface_wave_significant_height description String Significant wave height [m]
attribute sea_surface_wave_significant_height spi_original_name String Hs
attribute sea_surface_wave_significant_height standard_name String sea_surface_wave_significant_height
attribute sea_surface_wave_significant_height units String m
attribute sea_surface_wave_significant_height x_spi_emodnet_visualise_variable String True
variable sea_surface_wave_period_at_variance_spectral_density_maximum   double  
attribute sea_surface_wave_period_at_variance_spectral_density_maximum _ChunkSizes int 512
attribute sea_surface_wave_period_at_variance_spectral_density_maximum actual_range double 4.305257, 15.058824
attribute sea_surface_wave_period_at_variance_spectral_density_maximum description String Peak wave period [s]
attribute sea_surface_wave_period_at_variance_spectral_density_maximum spi_original_name String Tp
attribute sea_surface_wave_period_at_variance_spectral_density_maximum standard_name String sea_surface_wave_period_at_variance_spectral_density_maximum
attribute sea_surface_wave_period_at_variance_spectral_density_maximum units String s
attribute sea_surface_wave_period_at_variance_spectral_density_maximum x_spi_emodnet_visualise_variable String True
variable sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment   double  
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment _ChunkSizes int 512
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment actual_range double 6.227044, 13.529391
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment description String Mean Wave period based on the moment of order-1 [s]
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment spi_original_name String Tm1
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment standard_name String sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment units String s
attribute sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment x_spi_emodnet_visualise_variable String True
variable sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment   double  
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment _ChunkSizes int 512
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment actual_range double 5.983175, 12.711772
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment description String Mean Wave period based on the first moment [s]
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment spi_original_name String T1
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment standard_name String sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment units String s
attribute sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment x_spi_emodnet_visualise_variable String True
variable sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment   double  
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment _ChunkSizes int 512
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment actual_range double 5.788674, 12.318304
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment description String Mean Wave period based on the second moment [s]
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment spi_original_name String T2
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment standard_name String sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment units String s
attribute sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment x_spi_emodnet_visualise_variable String True

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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