{"help": "https://data.gov.au/data/en/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "metadata@aad.gov.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 1, "geospatial_topic": [], "id": "dad661bf-92dc-4ac9-bd8a-3746a434e644", "isopen": false, "language": "eng", "license_id": "notspecified", "license_title": "notspecified", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-06-23T12:26:53.043571", "metadata_modified": "2025-06-23T12:26:53.043579", "name": "numerical-simulations-wave-fields-davis-sea-wavewatchiii-january-2020", "notes": "This dataset contains numerical simulation results of the wave fields in the Davis Sea from end of December 2019 to start of February 2020. Hindcasts were obtained through the third-generation spectral wave model WAVEWATCH-III (hereafter WW3).\nA high resolution Davis Sea regional grid (resolution 0.1 degree, 60-80E longitude, 70-60S latitude) was nested into global grid domain (resolution 0.5 degree, 80S-80N latitude). The global model is forced with 0.5 degree sea ice concentration and 10m-wind fields from ECMWF's ERA5 reanalysis. The Davis sea model is forced with 0.1 degree 10m-wind fields from ECMWF's archived forecasts, and high-resolution (3.125km) AMSR2 satellite data for sea ice concentration (Beitsch et al., 2013 updated). Ice-induced wave attenuation is parameterized following Sutherland et al. (2019, doi:10.1016/j.apor.2019.03.023) whilst the break-up of sea ice is parameterized as 'broken' or 'unbroken' based on the break-up parameter of Voermans et al.(2020, doi:10.5194/tc-14-4265-2020). The numerical simulations have been calibrated using the buoy-observations of Voermans (2022, dataset, doi:10.26179/cdmx-n995). Sensitivity of the simulations to sea ice properties was tested and all results are provided in the dataset.\nThe data tree:\n* global: model outputs for the global domain\n- ncfield: gridded wave and ice data for this domain in netCDF-4 format\n- nests: binary data used by WW3 for boundary conditions for the Davis Sea grid\n- restarts: binary data used by WW3 for restarting this domain\n* davis_sea: model outputs for the Davis Sea domain\n- ncfield: gridded wave and ice data for this domain in netCDF-4 format\n- ncpoint: spectral wave data for a few points in the Davis Sea in netCDF-4 format\n- nctrack: spectral wave data following the wave buoys of Voermans et al (2022) in the Davis Sea in netCDF-4 format\n- restarts: binary data used by WW3 for restarting this domain\n- IHOT: binary text field of broken and unbroken ice for restarting this domain\nFile naming convention (by example): \nww3.20200101_20200103_M3D_IHOT_H0P0325_A0P01_YY9P0_SS0P1_HH0P55.nc\n* 20200101_20200103 identifies the datespan of the simulation in YYYYMMDD format\n* A0P01 refers to the attenuation coefficient of the model (where P stands for 'point'), in this case, A=0.01\n* YY is the Young's Modulus timed 10^9, here, Y-9.0e9 Pa\n* SS is the ice strength 'sigma' times 10^6, here sigma=0.1e6\n* HH is the ice thickness, here h=0.55 m\n* H0P0325 is proportional to the epsilon calibration coefficient (H=0.5ice_thicknessepsilon). \n* M3D refers to the 3rd instantiation of the model\n* IHOT refers to hot start using the ice breakup field from the previous week.\nww3.*_M3D_IHOT_H0P065_A0P05_YY6P0_SS0P55.nc is considered the baseline file (note, this simulation only covers the first two weeks of the study period).\nReference:  Beitsch, A., Kaleschke, L. and Kern, S. (2013). \"AMSR2 ASI 3.125 km Sea Ice Concentration Data, V0.1\", Institute of Oceanography, University of Hamburg, Germany, digital media", "num_resources": 4, "num_tags": 14, "organization": {"id": "0143757a-86ab-43e4-bba6-4a3a2a02b6c4", "name": "australian-ocean-data-network", "title": "Australian Ocean Data Network", "type": "organization", "description": "Harvester for Australian Ocean Data Network", "image_url": "", "created": "2025-06-23T12:29:10.320926", "is_organization": true, "approval_status": "approved", "state": "active"}, "original_harvest_source": {"site_url": "https://catalogue.aodn.org.au", "href": "https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/numerical-simulations-wave-fields-davis-sea-wavewatchiii-january-2020", "title": "Australian Oceans Data Network"}, "owner_org": "0143757a-86ab-43e4-bba6-4a3a2a02b6c4", "private": false, "promotion_level": "0", "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[60.0, -70.0], [80.0, -70.0], [80.0, -60.0], 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