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A numerical model (ROMS) results of hydrodynamics of the Barataria Estuary, Louisiana from 2013-08-01 to 2018-01-02

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Created: Feb 22, 2023 at 2:24 a.m.
Last updated: Feb 22, 2023 at 4:10 p.m.
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Content types: Multidimensional Content 
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A 3-dimensional, free surface, topography following numerical model – the Regional Ocean Model System (ROMS, version 3.7) was adapted to the Barataria Estuary. The model used a curvilinear coordinate with a horizontal resolution of ~200 m and eight vertical sigma layers. The model hindcast covered the period of August 1, 2013–January 2, 2018. The south boundary was the only open boundary and was forced by hourly water level, 3-D current velocity components, depth-integrated horizontal current velocity components, 3-D salinity and temperature. The boundary water levels were derived from the tidal station at Grand Isle, LA (073802516 Barataria Pass) maintained by U.S. Geological Survey (USGS) National Water Information System (NWIS). Other boundary conditions were derived from a parent nGoM with a horizontal resolution of 1 km (see Zang’s et al., 2019 for details of model setup and validation). Instantaneous measurements of DPFD discharges were added to the model as point sources on the northern boundary near Lake Cataoutche with a 15-min interval. The DPFD transported horizontal momentums and freshwater to the study domain. The discharge measurements were obtained from site 295501090190400 near Boutte, LA provided by the USGS NWIS. More details for model set-ups can be found in Ou et. al., (2020). Monthly averaged fields are archived in the NetCDF format.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Barataria Estuary
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:


Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

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Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
RESTORE ACT CENTER OF EXCELLENCE FOR LOUISIANA Enhancing Sediment Retention Rates of Receiving Basins of Louisiana Sediment Diversions AWD-001214

How to Cite

Ou, Y. (2023). A numerical model (ROMS) results of hydrodynamics of the Barataria Estuary, Louisiana from 2013-08-01 to 2018-01-02, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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