Delft3D Hydrodynamic Model for Louisiana Coastal Basins

Delft3D Flexible Mesh hydrodynamic model setup and results for the Atchafalaya and Terrebonne basins in coastal Louisiana. The dataset contains separate 31-day simulations for spring and fall seasons, calibrated and validated using airborne remote sensing and in situ measurements. It was produced by ORNL_CLOUD and published in September 2021.

Use Cases

• Simulating water levels and flow velocities across the model domain using the provided hydrodynamic input files.
• Analyzing seasonal differences in coastal hydrodynamics by comparing the spring and fall simulation output files.
• Calibrating new model runs using the validated input parameters and boundary conditions from the included setup.
• Studying the impact of river discharge and tides on the Atchafalaya and Terrebonne basins via the netCDF output variables.

Strengths

• Model covers a large spatial domain spanning from Bayou Lafourche to Vermilion Bay.
• Includes both full model input files and final output netCDF files for reproducibility.
• Simulations were calibrated and validated using Delta-X airborne remote sensing data.

Limitations

• Temporal coverage is limited to two specific 31-day periods (spring and fall).
• Geographic scope is restricted to two basins in coastal Louisiana, U.S..
• Dataset size and specific row/column counts are not provided.

Provenance

Source

ORNL_CLOUD via NASA Earthdata.

Collection Method

Hydrodynamic modeling using Delft3D Flexible Mesh, calibrated with airborne remote sensing and in situ measurements.

Time Range

Covers two 31-day periods for spring and fall seasons (specific years not stated).

Freshness

Data reflects conditions up to its publication date in 2021.

Geography

Atchafalaya and Terrebonne basins in coastal Louisiana, U.S., from Bayou Lafourche to Vermilion Bay.