SABv3_1000m_Florence: Demonstrating the effects of subgrid corrections in an ocean-scale hydrodynamic model: model inputs and outputs

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Johnathan L. Woodruff
Publication_Date: 20250606
Title:
SABv3_1000m_Florence: Demonstrating the effects of subgrid corrections in an ocean-scale hydrodynamic model: model inputs and outputs
Geospatial_Data_Presentation_Form: vector and tabular digital data
Larger_Work_Citation:
Citation_Information:
Originator: Johnathan L. Woodruff
Publication_Date: 2025
Title:
Demonstrating the Effects of Subgrid Corrections in an Ocean-Scale Hydrodynamic Model: Inputs and Outputs
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P135GTKH
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.5066/P135GTKH
Description:
Abstract:
This data release contains model inputs and outputs of water level elevations resulting from deterministic simulations along the South Atlantic Bight (SAB), which extends roughly from Cape Hatteras, North Carolina to the Upper Florida Keys, Florida, USA. For further information regarding model input generation and visualization of model output topography and bathymetry, refer to Woodruff and others (2025).
Purpose:
These data were generated by the ADvanced CIRCulation (ADCIRC) model (Luettich and others, 1992) to simulate storm-induced water levels from Hurricane Florence (2018) along the South Atlantic Bight (SAB), USA. Water levels were simulated over a period of 28 days from 0000 GMT on August 21, 2018, to 0000 GMT on September 18, 2018, to allow for tidal spin up and model stability. Hourly simulated water level outputs and maximum water surface elevations (at minimum 1000 meters [m] resolution) for the last eleven days of the simulation period were run from 0100 GMT September 7, 2018, to 0000 GMT 18 September. . The model inputs and model-simulated water levels are included in the download file, SABv3-1000m-Florence.zip, as American Standard Code for Information Interchange (ASCII) text files and Network Common Data Form (NetCDF, .nc) files.
Supplemental_Information:
The ASCII files associated with this metadata record are A) fort.14 (grid file) B) fort_NS.15 (conventional model control file) C) fort_S.15 (subgrid model control file) and D) fort.13 (nodal attribute file). The NetCDF files associated with this metadata record are A) avgVars.nc (subgrid lookup table) B) maxele_NS.63.nc (conventional maximum water surface elevation result) C) maxele_S.63.nc (subgrid maximum water surface elevation result) D) fort_NS.63.nc (conventional time varying water surface elevation result) and E) fort_S.63.nc (subgrid time varying water surface elevation result).
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20180819
Ending_Date: 20180918
Currentness_Reference: model simulation
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -97.8867049819
East_Bounding_Coordinate: -53.812068567
North_Bounding_Coordinate: 45.8426322965
South_Bounding_Coordinate: 5.8735059973
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:9002da3f-4818-43b5-bb7d-8d628db0f3be
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: elevation
Theme_Keyword: geoscientificInformation
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: ocean sciences
Theme_Keyword: hazards
Theme_Keyword: coastal processes
Theme_Keyword: ocean processes
Theme_Keyword: hurricanes
Theme_Keyword: ocean waves
Theme_Keyword: tides (oceanic)
Theme_Keyword: digital elevation models
Theme_Keyword: storm surge
Theme_Keyword: topography
Theme_Keyword: bathymetry
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: St. Petersburg Coastal and Marine Science Center
Theme_Keyword: SPCMSC
Place:
Place_Keyword_Thesaurus: Geographic Names Information System
Place_Keyword: Atlantic Ocean
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: South Atlantic Bight
Access_Constraints:
No access constraints. Please see 'Distribution Information' for details.
Use_Constraints:
These data are marked with a Creative Common CC0 1.0 Universal License. These data are in the public domain and do not have any use constraints. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: Johnathan L. Woodruff
Contact_Position: Research Oceanographer
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Contact_Voice_Telephone: 727-502-8124
Contact_Electronic_Mail_Address: jwoodruff@usgs.gov
Data_Set_Credit: U.S. Geological Survey
Native_Data_Set_Environment:
Microsoft Windows 11 Enterprise; Python3; ADCIRC version 56.0.2 (https://github.com/adcirc/adcirc).
Cross_Reference:
Citation_Information:
Originator: Woodruff, J.L.
Originator: Dietrich, J.C.
Originator: Wirasaet, D.
Originator: Kennedy, A.B.
Originator: Bolster, D.
Originator: Luettich, R.A.
Publication_Date: 20250605
Title:
Resolution sensitivities for subgrid modeling of coastal flooding
Series_Information:
Series_Name: Coastal Engineering
Issue_Identification: Volume 201
Online_Linkage: https://doi.org/10.1016/j.coastaleng.2025.104787
Cross_Reference:
Citation_Information:
Originator: Luettich, Jr., R.A.
Originator: Westerink, J.J.
Originator: Scheffner, N.W.
Publication_Date: 19921101
Title:
ADCIRC: An advanced three-dimensional circulation model for shelves, coasts, and estuaries, Report I: Theory and methodology of ADCIRC-2DDI and ADCIRC-3DL
Publication_Information:
Publication_Place: Washington, DC
Publisher: U.S. Army Corps of Engineers
Online_Linkage: https://apps.dtic.mil/sti/tr/pdf/ADA261608.pdf
Data_Quality_Information:
Logical_Consistency_Report:
The water level time series dataset simulates the model-derived water levels for 28 days that the simulation was run for.
Completeness_Report:
This model output contains the complete time series of water levels along with the maximum water levels simulated during the last 11 days of the 28 day time period. This dataset is considered complete for the information presented, as described in the abstract section. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
These files contain the topographic and bathymetric elevations that were input into the ADCIRC model to simulate water level time series. Within the ADCIRC model, the coordinates are in decimal degrees and are projected to the North American Datum 1983 (NAD83).
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Data are projected to the North American Vertical Datum of 1988 (NAVD88) with an estimated resolution of 0.01 meters (m).
Lineage:
Process_Step:
Process_Description:
A hindcast model simulated the hydrodynamic conditions from the landfall of Hurricane Florence (2018) along the North Carolina, USA coast as well as the encompassing South Atlantic Bight (SAB), refer to Woodruff and others (2025). Twenty-eight days surrounding landfall were simulated to allow for tidal spin up and model stability. The unstructured triangular SABv3-1000m ADCIRC computational mesh (Luettich and others, 1992) consisted of 178398 nodes and 346137 elements. The mesh extended out to the 60 degrees West parallel in the western North Atlantic Ocean and covered the entire U.S. East Coast, Caribbean, and Gulf Coast, with higher resolution along the SAB. This mesh, along with the model control files, and nodal attribute file were used to simulate water surface elevations during the storm. Water surface elevations were recorded over eleven days at one-hour intervals. The simulation was run both with and without subgrid corrections, with proprietary hurricane wind fields and tidal forcing at the open ocean boundary. For more information regarding mesh design and model setup, please refer to Woodruff and others (2025). Hourly simulated water level output for eleven days from 0100 GMT September 7, 2018, to 0000 GMT September 18 are provided in NetCDF (.nc) files for both the subgrid and conventional simulations. Maximum water surface elevations during this time period are also provided in NetCDF (.nc) format. See the entity and attribute information section for more information about these data. These data were imported into python for statistical processing and visualization.
Source_Used_Citation_Abbreviation: fort.14
Source_Used_Citation_Abbreviation: fort_NS.15
Source_Used_Citation_Abbreviation: fort_S.15
Source_Used_Citation_Abbreviation: fort.13
Source_Used_Citation_Abbreviation: avgVars.nc
Process_Date: 20240415
Source_Produced_Citation_Abbreviation: fort_NS.63.nc
Source_Produced_Citation_Abbreviation: fort_S.63.nc
Source_Produced_Citation_Abbreviation: maxele_NS.63.nc
Source_Produced_Citation_Abbreviation: maxele_S.63.nc
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Johnathan L. Woodruff
Contact_Organization: U.S. Geological Survey
Contact_Position: Research Oceanographer
Contact_Address:
Address_Type: Mailing
Address: 600 4th Street S
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8124
Contact_Electronic_Mail_Address: jwoodruff@usgs.gov
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.01
Longitude_Resolution: 0.01
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: GRS_1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum 1988
Altitude_Resolution: 0.01
Altitude_Distance_Units: meters
Altitude_Encoding_Method: Attribute values
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
fort_NS.63.nc: Simulated water level time series from 07 September 2018 to 18 September 2018 for the conventional simulation. The location and elevation data are provided in vector format in a NetCDF file (.nc). The NetCDF file contains the following variables: world coordinates of the model nodes (x and y), water surface elevation at nodes (zeta), and simulation time (time). The Climate and Forecast (CF)-compliant metadata (version CF-1.6) in the header of the NetCDF file provides spatial information for projecting the data into a geographic information system (GIS). It also provides information about the conventions used for attributes in the dataset.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information.
Overview_Description:
Entity_and_Attribute_Overview:
fort_S.63.nc: Simulated water level time series from 07 September 2018 to 18 September 2018 for the subgrid simulation. The location and elevation data are provided in vector format in a NetCDF file (.nc). The NetCDF file contains the following variables: world coordinates of the model nodes (x and y), water surface elevation at nodes (zeta), and simulation time (time). The Climate and Forecast (CF)-compliant metadata (version CF-1.6) in the header of the NetCDF file provides spatial information for projecting the data into a geographic information system (GIS). It also provides information about the conventions used for attributes in the dataset.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information.
Overview_Description:
Entity_and_Attribute_Overview:
maxele_NS.63.nc: Maximum water surface elevations from 07 September 2018 to 18 September 2018 for the conventional simulation. The location and elevation data are provided in vector format in a NetCDF file (.nc). The NetCDF file contains the following variables: world coordinates of the model nodes (x and y; longitude and latitude), maximum water surface elevation at nodes (zeta_max), and time that the maximum water surface occurred (time_of_zeta_max). The Climate and Forecast (CF)-compliant metadata (version CF-1.6) in the header of the NetCDF file provides spatial information for projecting the data into a geographic information system (GIS). It also provides information about the conventions used for attributes in the dataset.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information.
Overview_Description:
Entity_and_Attribute_Overview:
maxele_S.63.nc: Maximum water surface elevations from 07 September 2018 to 18 September 2018 for the subgrid simulation. The location and elevation data are provided in vector format in a NetCDF file (.nc). The NetCDF file contains the following variables: world coordinates of the model nodes (x and y; longitude and latitude), maximum water surface elevation at nodes (zeta_max), and time that the maximum water surface occurred (time_of_zeta_max). The Climate and Forecast (CF)-compliant metadata (version CF-1.6) in the header of the NetCDF file provides spatial information for projecting the data into a geographic information system (GIS). It also provides information about the conventions used for attributes in the dataset.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information.
Overview_Description:
Entity_and_Attribute_Overview:
ADCIRC Input Files: ADCIRC model input files for Hurricane Florence (2018) hindcast: A) mesh file (fort.14), B) nodal attribute file (fort.13), C) conventional simulation control file (fort_NS.15), D) subgrid simulation control file (fort_S.15), and E) subgrid lookup table (avgVars.nc). The ASCII files contain all information needed to initiate the ADCIRC model. The proprietary wind fields used in these simulations are not included.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information were generated by the individual and/or agency identified as the originator of the dataset. Please review the rest of the metadata record for additional details and information.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: USGS SPCMSC Data Management
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: United States
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Resource_Description:
fort_NS.63.nc, fort_S.63.nc, maxele_NS.63.nc, maxele_S.63.nc, avgVars.nc, fort.14, fort_NS.15, fort_S.15, fort.13
Distribution_Liability:
Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: NetCDF, text
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
https://coastal.er.usgs.gov/data-release/doi-P135GTKH/data/SABv3-1000m-Florence.zip
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20250606
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
Contact_Person: USGS SPCMSC Data Management
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: Saint Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: United States
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
This page is <https://cmgds.marine.usgs.gov/catalog/spcmsc/SABv3_1000m_Florence_metadata.html>
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