Data

ETAS Ocean Model Version 2 - Daily Snapshots

University of Tasmania, Australia

Oliver, Eric, Dr ; Holbrook, Neil, Assoc/Prof ; Herzfeld, Mike, Dr

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/47450e8b-da02-463d-aca4-f00b2077bd56&rft.title=ETAS Ocean Model Version 2 - Daily Snapshots&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/47450e8b-da02-463d-aca4-f00b2077bd56&rft.description=The ETAS (Eastern TASmania) model is a high-resolution (~2 km in the horizontal) ocean model for eastern Tasmania, providing three-dimensional estimates of daily temperature, salinity, and circulation over the 1993-2016 period. This dataset consists of temperature, salinity, meridional (N-S), zonal (E-W), vertical, along- and cross-shore currents, density, sea level and net surface heat flux organised into yearly files. A MATLAB script to extract portions of the data is available here: https://github.com/ecjoliver/extractETASMaintenance and Update Frequency: annuallyStatement: The Sparse Hydrodynamic Ocean Code (SHOC) developed at the CSIRO Marine Laboratories in Hobart (Australia) was used to dynamically simulate variability of the near-shore and continental shelf waters off eastern Tasmania for 1993-2016. SHOC is based on the nonlinear three-dimensional equations for momentum conservation, continuity, and the conservation of heat and salt. The model domain consists of the continental shelf and slope off eastern Tasmania. The domain was defined by a curvilinear horizontal grid with three open boundaries and the fourth side bounded by the Tasmanian coast. The seaward boundary ran parallel to the continental shelf break roughly following the 2500 m isobath. The two cross-shelf boundaries ran perpendicular to the shelf break and met the coast at South Cape in the south and just north of Eddystone Point in the north. The grid included two narrow spurs for the Derwent River and Huon River estuaries. River runoff was included by specifying the flow rate and temperature of freshwater input (zero salinity) every six hours at source points. The model boundary forcing consisted of daily fields of three-dimensional velocities, sea level, temperature and salinity from the 1/10-degree Bluelink ReANalysis (BRAN, version 3, 1/1/1993-31/7/2012) and OceanMAPS analysis (versions 2.0--3.1, 1/8/2012-31/12/2016). The model surface boundary forcing consisted of 6-hourly atmospheric fields provided by the National Centers for Environmental Prediction (NCEP) Climate Forecast System Reanalysis (CFSR, 1993-2010) and Climate Forecast System Version 2 analysis (CSFv2, 2011-2016). Daily fields of sea surface height and three-dimensional fields of velocity, temperature, and salinity, were output every day. Extensive model validation has been performed and can be found in: Oliver, E. C. J., M. Herzfeld and N. J. Holbrook (2016), Modelling the shelf circulation off eastern Tasmania, Continental Shelf Research, 130, pp. 14-33, doi: 10.1016/j.csr.2016.10.005.&rft.creator=Oliver, Eric, Dr &rft.creator=Holbrook, Neil, Assoc/Prof &rft.creator=Herzfeld, Mike, Dr &rft.date=2019&rft.coverage=westlimit=146.641; southlimit=-44.4125; eastlimit=149.0897; northlimit=-40.8364&rft.coverage=westlimit=146.641; southlimit=-44.4125; eastlimit=149.0897; northlimit=-40.8364&rft.coverage=uplimit=2470; downlimit=0&rft.coverage=uplimit=2470; downlimit=0&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).&rft_rights=The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.&rft_subject=oceans&rft_subject=OCEAN TEMPERATURE&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=SEA SURFACE TEMPERATURE&rft_subject=SURFACE SALINITY&rft_subject=CLIMATE INDICATORS&rft_subject=ATMOSPHERIC/OCEAN INDICATORS&rft_subject=OCEAN CURRENTS&rft_subject=OCEAN CIRCULATION&rft_subject=DENSITY&rft_subject=SALINITY/DENSITY&rft_subject=SALINITY&rft_subject=OCEAN GENERAL CIRCULATION MODELS (OGCM)/REGIONAL OCEAN MODELS&rft_subject=EARTH SCIENCE SERVICES&rft_subject=MODELS&rft_subject=COASTAL PROCESSES&rft_subject=SEA SURFACE HEIGHT&rft_subject=Physical Oceanography&rft_subject=EARTH SCIENCES&rft_subject=OCEANOGRAPHY&rft_subject=Chemical Oceanography&rft_subject=Climatology (excl. Climate Change Processes)&rft_subject=ATMOSPHERIC SCIENCES&rft_subject=Z coordinate at grid layer faces&rft_subject=Latitude at cell centre&rft_subject=Longitude at cell centre&rft_subject=Longitude at centre of left face&rft_subject=Latitude at centre of left face&rft_subject=Longitude at centre of back face&rft_subject=Latitude at centre of back face&rft_subject=Time&rft_subject=Surface Elevation&rft_subject=I component of current at left face&rft_subject=J component of current at back face&rft_subject=K component of current at cell centre&rft_subject=Z coordinate at sea-bed at cell centre&rft_subject=Eastward component of current&rft_subject=Northward component of current&rft_subject=Longitude at grid corners&rft_subject=Latitude at grid corners&rft_subject=Net heat flux&rft_subject=Temperature of the water body&rft_subject=Practical salinity of the water body&rft_subject=Density of the water body&rft.type=dataset&rft.language=English Access the data

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The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).

The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.

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The ETAS (Eastern TASmania) model is a high-resolution (~2 km in the horizontal) ocean model for eastern Tasmania, providing three-dimensional estimates of daily temperature, salinity, and circulation over the 1993-2016 period. This dataset consists of temperature, salinity, meridional (N-S), zonal (E-W), vertical, along- and cross-shore currents, density, sea level and net surface heat flux organised into yearly files. A MATLAB script to extract portions of the data is available here: https://github.com/ecjoliver/extractETAS

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Maintenance and Update Frequency: annually

Statement: The Sparse Hydrodynamic Ocean Code (SHOC) developed at the CSIRO Marine Laboratories in Hobart (Australia) was used to dynamically simulate variability of the near-shore and continental shelf waters off eastern Tasmania for 1993-2016. SHOC is based on the nonlinear three-dimensional equations for momentum conservation, continuity, and the conservation of heat and salt. The model domain consists of the continental shelf and slope off eastern Tasmania. The domain was defined by a curvilinear horizontal grid with three open boundaries and the fourth side bounded by the Tasmanian coast. The seaward boundary ran parallel to the continental shelf break roughly following the 2500 m isobath. The two cross-shelf boundaries ran perpendicular to the shelf break and met the coast at South Cape in the south and just north of Eddystone Point in the north. The grid included two narrow spurs for the Derwent River and Huon River estuaries. River runoff was included by specifying the flow rate and temperature of freshwater input (zero salinity) every six hours at source points. The model boundary forcing consisted of daily fields of three-dimensional velocities, sea level, temperature and salinity from the 1/10-degree Bluelink ReANalysis (BRAN, version 3, 1/1/1993-31/7/2012) and OceanMAPS analysis (versions 2.0--3.1, 1/8/2012-31/12/2016). The model surface boundary forcing consisted of 6-hourly atmospheric fields provided by the National Centers for Environmental Prediction (NCEP) Climate Forecast System Reanalysis (CFSR, 1993-2010) and Climate Forecast System Version 2 analysis (CSFv2, 2011-2016). Daily fields of sea surface height and three-dimensional fields of velocity, temperature, and salinity, were output every day. Extensive model validation has been performed and can be found in: Oliver, E. C. J., M. Herzfeld and N. J. Holbrook (2016), Modelling the shelf circulation off eastern Tasmania, Continental Shelf Research, 130, pp. 14-33, doi: 10.1016/j.csr.2016.10.005.

Data time period: 1993-01-01 to 2016-12-31

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text: westlimit=146.641; southlimit=-44.4125; eastlimit=149.0897; northlimit=-40.8364

text: uplimit=2470; downlimit=0

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global : 47450e8b-da02-463d-aca4-f00b2077bd56

ETAS Ocean Model Version 2 - Daily Snapshots

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(DATA ACCESS - THREDDS catalogue of data files (daily))

(MATLAB script to extract portions of the data)

Net heat flux - WMS layer (EOliver_ETAS_V2_ocean_model_output_daily/nhf)

MAP - Surface elevation (EOliver_ETAS_V2_ocean_model_output_daily/eta)