Weekly Wind Speed and Frequency for a Wave Exposure Model of Grand Bay, Mississippi

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Kathryn E.L. Smith
Originator: Joseph F. Terrano
Publication_Date: 20190430
Title:
Weekly Wind Speed and Frequency for a Wave Exposure Model of Grand Bay, Mississippi
Geospatial_Data_Presentation_Form: tabular digital data
Series_Information:
Series_Name: U.S. Geological Survey Data Release
Issue_Identification: doi:10.5066/P9Z4ZPU3
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher: U.S. Geological Survey
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Kathryn E.L. Smith
Originator: Joseph F. Terrano
Publication_Date: 20190430
Title:
Wave Exposure Model for Grand Bay, Mississippi: Input and Validation Datasets
Geospatial_Data_Presentation_Form: multimedia presentation
Series_Information:
Series_Name: U.S. Geological Survey Data Release
Issue_Identification: doi:10.5066/P9Z4ZPU3
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9Z4ZPU3
Description:
Abstract:
Coastal marshes are highly dynamic and ecologically important ecosystems that are subject to pervasive and often harmful disturbances, including shoreline erosion. Shoreline erosion can result in an overall loss of coastal marsh, particularly in estuaries with moderate- or high-wave energy. Not only can waves be important physical drivers of shoreline change, they can also influence shore-proximal vertical accretion through sediment delivery. For these reason, estimates of wave energy can provide a quantitative measure of wave effects on marsh shorelines. Since wave energy is difficult to measure at all locations, scientists and managers often rely on hydrodynamic models to estimate wave properties at different locations. The Wave Exposure Model (WEMo) is a simple tool that uses linear wave theory to estimate wave energy characteristics for enclosed and semi-enclosed estuaries(Malhotra and Fonseca, 2007). The interpretation of hydrodynamic models is improved if model results can be validated against measured data. The data presented in this publication are input and validation data for modeled and observed mean wave height for two temporary oceanographic stations established by the U.S. Geological Survey (USGS) in the Grand Bay National Estuarine Research Reserve, Mississippi.
Purpose:
This dataset was generated for purposes of wave model development and validation. The publication includes model input data (bathymetry, shorelines, and wind data) and values for both observed and modeled mean wave heights for 13 weeks from October 2016 to January 2017. The primary goal is to develop a model that examines the relationships between wave energy, shoreline erosion, and marsh sediment delivery and deposition.
Supplemental_Information:
Oceanographic and water quality measurements were collected in Grand Bay by the U.S. Geological Survey (USGS) from August 2016 to January 2017 under Field Activity Numbers (FAN) 2016-046-FA and 2017-006-FA. This data release only presents data from October 2016 to January 2017 for model validation purposes. For additional information see https://cmgds.marine.usgs.gov/fan_info.php?fan=2017-0406-FA. The bathymetric digital elevation model (DEM) was compiled through depth measurements obtained from multiple National Oceanic and Atmospheric Administration (NOAA) hydrographic surveys (H08647, H08648, H09118, F11621, H11620, and F00588) and single-beam bathymetry data collected by USGS under the FAN 2015-315-FA. For additional information see https://cmgds.marine.usgs.gov/fan_info.php?fan=2015-315-FA. Wind data were obtained from NOAA National Data Buoy (GDXM6) Crooked Bayou, Grand Bay Reserve, MS.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20161024
Ending_Date: 20170124
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -88.395590
East_Bounding_Coordinate: -88.387900
North_Bounding_Coordinate: 30.378800
South_Bounding_Coordinate: 30.375000
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:b16d56a8-37c1-41b7-a22a-d361af5fb224
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: waves
Theme_Keyword: oceanographic measurements
Theme_Keyword: Wave Exposure Model (WEMo)
Theme_Keyword: hydrodynamic modeling
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: coastal processes
Theme_Keyword: ocean waves
Theme_Keyword: hydrodynamics
Theme_Keyword: bathymetry
Theme_Keyword: digital elevation models
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: environment
Theme_Keyword: boundaries
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Grand Bay National Estuarine Research Reserve
Place_Keyword: Gulf of Mexico
Place_Keyword: USA
Place_Keyword: Mississippi
Place_Keyword: Alabama
Place_Keyword: MS
Place_Keyword: AL
Access_Constraints: None
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originator of the data in future products or derivative research. This metadata record should be reviewed in its entirety to ensure data is used appropriately. Bathymetry data were developed exclusively for the development of a wave model and scientific research and should not be used for navigation purposes.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey St Petersburg Coastal and Marine Science Center
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: Mailing
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Contact_Voice_Telephone: 727-502-8073
Contact_Facsimile_Telephone: 727-502-8182
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Data_Set_Credit:
Acknowledgment of the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, as a data source would be appreciated in products developed from these data, and such acknowledgment as is standard for citation and legal practices. Sharing of new data layers developed directly from these data would also be appreciated by the U.S. Geological Survey staff. Users should be aware that comparisons with other datasets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photointerpretation, mapping conventions, and digital processes over time. These data are not legal documents and are not to be used as such.
Native_Data_Set_Environment:
Environment as of Metadata Creation: Microsoft Windows 10 Version 1709 (Build 16299.431); Esri ArcGIS 10.5.1 (Build 7333) Service Pack N/A (Build N/A)
Cross_Reference:
Citation_Information:
Originator: Malhotra, A., and M.S. Fonseca
Publication_Date: 2007
Title:
WEMo (Wave Exposure Model): Formulation, Procedures and Validation
Series_Information:
Series_Name: NOAA Technical Memorandum
Issue_Identification: NOS NCCOS #65
Publication_Information:
Publication_Place: Beaufort, North Carolina
Publisher: National Oceanic and Atmospheric Administration
Other_Citation_Details: Publication describing the wave model and parameterization
Online_Linkage:
Cross_Reference:
Citation_Information:
Originator:
Nowacki, D.J., Suttles, S.E., Ganju, N.K., Montgomery, E.T. and Martini, M.A.
Publication_Date: 2018
Title:
Oceanographic and water quality measurements collected in Grand Bay, Alabama/Mississippi August 2016-January 2017
Publication_Information:
Publication_Place: Woods Hole, Massachusetts
Publisher: U.S. Geological Survey
Other_Citation_Details: Source of oceanographic data
Online_Linkage: https://doi.org/10.5066/P9UG9JYQ
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: No formal attribute accuracy tests were conducted.
Logical_Consistency_Report:
Model and observed wave information were checked for completeness and accuracy.
Completeness_Report:
Dataset is considered complete for the information presented. Some oceanographic data were not used as the full data record (August 4th, 2016 to January 26th, 2017) was longer than required for model validation. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
A formal accuracy assessment of the horizontal positional information in the dataset has not been conducted. For additional information on data collection techniques see the source metadata.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
A formal accuracy assessment of the vertical positional information in the dataset has not been conducted. For additional information on data collection techniques see the source metadata.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2018
Title:
Oceanographic and water quality measurements collected in Grand Bay, Alabama/Mississippi - August 2016 - January 2017
Geospatial_Data_Presentation_Form: NetCDF
Publication_Information:
Publication_Place: Woods Hole, Massachusetts
Publisher: U.S. Geological Survey
Online_Linkage: https://stellwagen.er.usgs.gov/grandbay.html
Type_of_Source_Media: digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20161024
Ending_Date: 20170124
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: RBR
Source_Contribution: Source of observed wave measurements
Source_Information:
Source_Citation:
Citation_Information:
Originator: NOAA National Centers for Environmental Information
Publication_Date: Unknown
Title: Bathymetric Data Viewer
Geospatial_Data_Presentation_Form: data portal
Publication_Information:
Publication_Place: Unknown
Publisher: National Oceanic and Atmospheric Administration
Online_Linkage: https://maps.ngdc.noaa.gov/viewers/bathymetry/
Type_of_Source_Media: digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Multiple_Dates/Times:
Single_Date/Time:
Calendar_Date: 1962
Single_Date/Time:
Calendar_Date: 1970
Single_Date/Time:
Calendar_Date: 2006
Single_Date/Time:
Calendar_Date: 2007
Single_Date/Time:
Calendar_Date: 2010
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: NGDC_bathy
Source_Contribution: Bathymetry for wave model
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 20171201
Title:
Single-beam bathymetry data collected in 2015 from Grand Bay, Alabama-Mississippi
Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:
Publication_Place: St Petersburg, Florida
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.3133/ds1070
Type_of_Source_Media: digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20150528
Ending_Date: 20150603
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: USGS_bathy
Source_Contribution: Bathymetry for wave model
Source_Information:
Source_Citation:
Citation_Information:
Originator: Grand Bay National Estuarine Research Reserve
Publication_Date: Unknown
Title:
Grand Bay (GND) National Estuarine Research Reserve System-wide Monitoring Program: Crooked Bayou
Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:
Publication_Place: Columbia, South Carolina
Publisher: Centralized Data Management Office
Online_Linkage: http://cdmo.baruch.sc.edu/get/realTime.cfm?stationCode=GNDCRMET
Type_of_Source_Media: digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20161024
Ending_Date: 20170123
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: GNDCRMET
Source_Contribution:
Meteorological station provided wind speed and direction for wave model
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2018
Title:
A GIS Compilation of Vector Shorelines Derived from Aerial Imagery for the Grand Bay Region of Mississippi and Alabama: 2010 and 2012
Geospatial_Data_Presentation_Form: vector digital data
Publication_Information:
Publication_Place: St Petersburg, Florida
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F7VT1R8Q
Type_of_Source_Media: digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20120909
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: 2012_shoreline
Source_Contribution: Shoreline used to create raster mask
Process_Step:
Process_Description:
Bathymetric data covering Grand Bay and Mississippi Sound were compiled and rasterized for wave model input. Data from hydrographic charts were downloaded from the NOAA Bathymetry Data Viewer. The following hydrographic surveys (with collection year) covered the study area: F00588 (2010), H11620 (2007), F11621 (2006), H09118 (1970), H08647 (1962), and H08648 (1962). In addition, the USGS single-beam bathymetry data collected in 2015 was included. The data were converted to a consistent tidal datum (Mean Lower Low Water (MLLW)) using Vdatum software (https://vdatum.noaa.gov/). Using latitude and longitude coordinates from each file, data were imported into ArcGIS (version 10.6) as shapefiles and merged into one file. Data were weighted based on date of survey, with recent surveys given a weight of 10 (2015 and 2010), recent past surveys a weight of 5 (2007 and 2006) and historical surveys a weight of 1 (1970 and 1962). Using the Inverse Distance Weighted tool in ArcGIS, a raster was created using the vertical elevation as the Z value input, a standard search radius of 50 to 100 nearest neighbors, and the weight field. The Focal Statistics tool was used to smooth the dataset using a circle radius of 20 cells. A raster mask was created by buffering the 2012 shoreline and enclosing the Grand Bay estuary and Mississippi Sound, out to the landward side of Petit Bois and Dauphin islands.
Source_Used_Citation_Abbreviation: NGDC_bathy
Source_Used_Citation_Abbreviation: USGS_bathy
Source_Used_Citation_Abbreviation: 2012_shoreline
Process_Date: 2018
Source_Produced_Citation_Abbreviation: bathy_grid
Source_Produced_Citation_Abbreviation: raster_mask
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St.Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8073
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Process_Step:
Process_Description:
Wind data for 2016 and 2017 were downloaded for the Crooked Bayou meteorological station from the National Estuarine Research Reserve's Centralized Data Management Office (CDMO). Using Excel (version 1803), the data for both years were appended. Wind speed was corrected for gauge height using the Power Law Method (described here: https://www.ndbc.noaa.gov/adjust_wind.shtml) and processed for model input using the WEMo Wind Analysis tool. WEMo calculates the wind speed and corresponding frequency for every 6.43 degrees (56 rays) angular resolution and is resampled or linearly interpolated for any other angular resolution. Wind frequency for a direction is defined as the ratio of the number of hours the wind blows from that direction and the total number of hours of wind data. Wind data for each week (beginning with October 24th, 2016 and ending on January 24th, 2017) were exported as representative wind energy (RWE) wind files for model input. Files were named "GB_wind_<start date>_<end date>_corr.Wind_RWE". RWE files are formatted specifically for WEMo input but can be viewed in any text editing software. For more information, see WEMo documentation (Malhotra and Fonseca, 2007).
Source_Used_Citation_Abbreviation: GNDCRMET
Process_Date: 2018
Source_Produced_Citation_Abbreviation: RWE_wind
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St.Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8073
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Process_Step:
Process_Description:
Mean wave height was calculated for the same location at two USGS observational wave stations in Grand Bay. A shapefile of the station locations was created in ArcGIS by obtaining latitude and longitude coordinates from the KML file located on the data publication (Nowacki and others, 2018). Stations used in this study include 1078 and 1076. Several stations were excluded because they were either located within a river mouth and lack bathymetry data or adjacent to the shoreline and may be impacted by refractive waves. Wave height is estimated by the model through a series of wave propagation and dissipation steps, using the wind speed and direction data (RWE wind), along with depth (bathy grid) and shoreline (2012 shoreline). Wave generation equations are modified to account for limited fetch and wave dissipation factors that account for wave friction, shoaling and breaking due to shallow water. For details on model parameterization and calculations, see Malhotra and Fonseca (2007). Mean wave height for each weekly model run was populated in an Excel file.
Source_Used_Citation_Abbreviation: RWE_wind
Source_Used_Citation_Abbreviation: 2012_shoreline
Source_Used_Citation_Abbreviation: bathy_grid
Process_Date: 2018
Source_Produced_Citation_Abbreviation: Mean_Hs
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St.Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8073
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Process_Step:
Process_Description:
Mean wave height was calculated from the observational wave data for two wave sensors. Netcdf datasets containing wave height data was downloaded from the data publication (Nowacki et al. 2018). Only data for the RBR virtuoso D|wave sensor at sites 1076 and 1078 was used (data file '10763Bdws-a.nc' and '10781Baqd-a.nc') because the sensor provides the most accurate wave height data, bathymetry data was available for those locations, and the sensor is located far enough from the shoreline to reduce impact of refractive waves. The datasets were imported into R (version 3.5.1) and weekly mean wave height was calculated from observational measurements. Data was entered into the Excel spreadsheet containing modeled mean wave height. The Excel spreadsheet was exported into tab-delimited text file for publication purposes.
Source_Used_Citation_Abbreviation: RBR
Source_Used_Citation_Abbreviation: Mean_Hs
Process_Date: 2018
Source_Produced_Citation_Abbreviation: Mean_Hs.txt
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St.Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8073
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Process_Step:
Process_Description:
Added keywords section with USGS persistent identifier as theme keyword.
Process_Date: 20201013
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 13
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 8.983152841195215e-09
Longitude_Resolution: 8.983152841195215e-09
Geographic_Coordinate_Units: Decimal Degrees
Geodetic_Model:
Horizontal_Datum_Name: D WGS 1984
Ellipsoid_Name: WGS 1984
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
Wind data are required by the Wave Exposure Model (WEMo) to calculate the wave exposure values for a location. The model requires both wind speed and frequency in a specified format which can be obtained using the Wind Analysis Tool in the WEMo program. The Wind_RWE files were produced from hourly wind data for 2016 and 2017 obtained from the data buoy from Crooked Bayou in the Grand Bay National Estuarine Research Reserve, MS. Files are named "GB_wind_<start date>_<end date>_corr.Wind_RWE" where <start date> and <end date> are replaced with the three letter acronym for month and two-digit date. Data begin the week of October 24th, 2016 (Oct24) and end on January 24th, 2017 (Jan24).
Entity_and_Attribute_Detail_Citation:
Fonseca, M.S., and Malhotra, A., 2010, WEMo (Wave Exposure Model) for use in Ecological Forecasting (Version 4.0) User Manual: NOAA National Centers for Coastal Ocean Science, 74p., https://cdn.coastalscience.noaa.gov/page-attachments/products/WEMo/WEMo_V4_manual.pdf.
Entity_and_Attribute_Detail_Citation:
Malhotra, A., and Fonseca, M.S., 2007, WEMo (Wave Exposure Model): Formulation, Procedures and Validation: NOAA Technical Memorandum NOS NCCOS #65, 28p, https://cdn.coastalscience.noaa.gov/page-attachments/products/WEMo/NOS_NCCOS_65.pdf.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey St Petersburg Coastal and Marine Science Center
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: Mailing
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Contact_Voice_Telephone: 727-502-8073
Contact_Facsimile_Telephone: 727-502-8182
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Resource_Description: GB_wind_<start date>_<end date>_corr.Wind_RWE
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, nor shall the act of distribution imply any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: RWE wind file
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Fees: None. No fees are applicable for obtaining the dataset.
Metadata_Reference_Information:
Metadata_Date: 20201013
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey St Petersburg Coastal and Marine Science Center
Contact_Person: Kathryn Smith
Contact_Position: Research Ecologist
Contact_Address:
Address_Type: Mailing
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Contact_Voice_Telephone: 727-502-8073
Contact_Facsimile_Telephone: 727-502-8182
Contact_Electronic_Mail_Address: kelsmith@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

This page is <https://cmgds.marine.usgs.gov/catalog/spcmsc/RWE_wind_metadata.html>
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