RBR sensor pressure and tidal data for two sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from April 2019 through January 2020

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Christopher G. Smith
Originator: Kathryn E.L. Smith
Originator: Joseph M. Vargas
Originator: Joseph F. Terrano
Publication_Date: 20230605
Title:
RBR sensor pressure and tidal data for two sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from April 2019 through January 2020
Edition: 2.0
Geospatial_Data_Presentation_Form: tabular digital data
Larger_Work_Citation:
Citation_Information:
Originator: Kathryn E.L. Smith
Originator: Joseph F. Terrano
Originator: Jonathan Pitchford
Originator: Michael Brochard
Originator: Joseph M. Vargas
Originator: Isabelle D. Atchia
Originator: Cheyenne S. Everhart
Originator: Christopher G. Smith
Publication_Date: 20200713
Title:
Shore Proximal Marsh Sediment Deposition and Ancillary Data From Grand Bay National Estuarine Research Reserve, Mississippi, From July 2018 to January 2020
Edition: 2.0
Geospatial_Data_Presentation_Form: Multimedia presentation
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P9ONI8PS
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher:
U.S. Geological Survey - St.Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.5066/P9ONI8PS
Description:
Abstract:
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites (Sites 5, 6, 7, and 8) along the Point Aux Chenes Bay shoreline of the Grand Bay National Estuarine Research Reserve (GNDNERR), Mississippi. These datasets were collected to serve as baseline data prior to the installation of a living shoreline (a subtidal sill). Each site consisted of five plots located along a transect perpendicular to the marsh-estuary shoreline at 5-meter (m) increments (5, 10, 15, 20, and 25 m from the shoreline). Each plot contained six net sedimentation tiles (NST) that were secured flush to the marsh surface using polyvinyl chloride (PVC) pipe. NST are an inexpensive and simple tool to assess short- and long-term deposition that can be deployed in highly dynamic environments without the compaction associated with traditional coring methods. The NST were deployed for three month sampling periods, measuring sediment deposition from July 2018 to January 2020, with one set of NST being deployed for six months. Sediment deposited on the NST were processed to determine physical characteristics, such as deposition thickness, volume, wet weight/dry weight, grain size, and organic content (loss-on-ignition [LOI]). For select sampling periods, ancillary data (water level, elevation, and wave data) are also provided in this data release. Data were collected during USGS Field Activities Numbers (FAN) 2018-332-FA (18CCT01), 2018-358-FA (18CCT10), 2019-303-FA (19CCT01, 19CCT02, 19CCT03, and 19CCT04, respectively), and 2020-301-FA (20CCT01). Additional survey and data details are available from the U.S. Geological Survey Coastal and Marine Geoscience Data System (CMGDS) at, https://cmgds.marine.usgs.gov/. Data collected between 2016 and 2017 from a related NST study in the GNDNERR (Middle Bay and North Rigolets) can be found at https://doi.org/10.5066/P9BFR2US. Please read the full metadata for details on data collection, dataset variables, and data quality.
Purpose:
This dataset, Grand_Bay_RBR_Data.zip, contains water parameter and tidal data obtained from two sampling locations in Grand Bay, Mississippi. Two RBRsolo3 sensors were used to measure tidal slope, atmospheric/sea pressure, and sensor depth. Wave data collected by RBRSolo2 sensors are also provided in this data release within the download file, Grand_Bay_RBR_Wave_Data.zip. These data were acquired to help researchers better understand the tidal activity in the region.
Supplemental_Information:
USGS scientists collected data from RBR sensors during a total of four surveys from April 2019 to January 2020. Data were downloaded during quarterly field visits. Each field visit was assigned a FAN and sub-FAN by USGS staff. This publication contains data for field activities from: 1) 2019-319-FA (April 2019-May 2019), 2) 2019-303-FA (19CCT03, May 2019-August 2019; 19CCT04, August 2019-November 2019), 3) 2020-301-FA (20CCT01, November 2019-January 2020). RBR serial number (s/n) 42048 was located between NST Sites 5 and 6 (30.35188496, -88.44801589), RBR s/n 42049 was located between NST Sites 7 and 8 (30.3414136, -88.44618433). The data are displayed in a comma-separated values (CSV) text file format. Additional sensor details (deployment dates, sensor altitudes) can be found in the supplemental file (Supplemental_RBR_Data.csv) and associated data dictionary, provided within the data download file.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20190415
Beginning_Time: 1600
Ending_Date: 20200128
Ending_Time: 1330
Currentness_Reference: Ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -88.449757
East_Bounding_Coordinate: -88.396209
North_Bounding_Coordinate: 30.429843
South_Bounding_Coordinate: 30.335728
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:9d6d79e0-4337-4e21-b631-8bf4c30d1609
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: environment
Theme_Keyword: oceans
Theme_Keyword: geoscientificinformation
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: hydrogeology
Theme_Keyword: geology
Theme_Keyword: ocean sciences
Theme_Keyword: coastal processes
Theme_Keyword: datasets
Theme_Keyword: field inventory and monitoring
Theme_Keyword: ocean waves
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: water level
Theme_Keyword: depth
Theme_Keyword: ocean wave measurement
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword:
U.S. Geological Survey St. Petersburg Coastal and Marine Science Center
Theme_Keyword: SPCMSC
Theme_Keyword: tidal slope
Theme_Keyword: RBR
Theme_Keyword: sea pressure
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Grand Bay National Estuarine Research Reserve
Place_Keyword: NERR
Place:
Place_Keyword_Thesaurus: Common Geographic Areas
Place_Keyword: Gulf of Mexico
Place_Keyword: United States
Place_Keyword: Mississippi
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 that it be acknowledged as the originator of this dataset in any future products or research derived from these data. This metadata record should be reviewed in its entirety.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Position: Research Geologist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@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 in data collection methods. 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 Enterprise Version 17763.1098 (Build 1809); Ruskin Version 2.9.9
Cross_Reference:
Citation_Information:
Originator: RBR
Publication_Date: 2020
Title: Ruskin User Guide
Publication_Information:
Publication_Place: Ottawa, Ontario
Publisher: RBR
Other_Citation_Details:
Cited in this data release as RBR (2020). Contains detailed process for sensor maintenance, data collection and processing using the Ruskin software.
Online_Linkage: https://rbr-global.com/support/documentation
Cross_Reference:
Citation_Information:
Originator: Kathryn E.L. Smith
Originator: Joseph F. Terrano
Originator: Nicole S. Khan
Originator: Chelsea A. Stalk
Publication_Date: 2020
Title:
Shore Proximal Sediment Deposition, Elevation, Turbidity, and Water Level Data for Four Sites in the Coastal Marsh at Grand Bay National Estuarine Research Reserve, Mississippi, From October 2016 Through October 2017
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher: U.S. Geological Survey
Other_Citation_Details:
Contains data from a related NST study in North Rigolets and Middle Bay areas of the GNDNERR.
Online_Linkage: https://doi.org/10.5066/P9BFR2US
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The pressure values reported in Grand_Bay_RBR_Data.zip were recorded by two RBRsolo3 (Firmware version 1.041) sensors with an accuracy of ±0.05% (RBR, 2020). The sea pressure, tidal slope, and sensor depth were all derived from internal calculations from the sensor.
Logical_Consistency_Report:
This dataset includes FAN, alternate FAN, time, pressure, tidal slope, sea pressure, and sensor depth from the following trips: 2019-319-FA, 2019-303-FA (19CCT03 and 19CCT04), and 2020-301-FA (20CCT01). 2019-319-FA was not assigned an alternate FAN, so these blank fields are represented as "---" within the .csv files. Data were collected in 30-minute intervals. Not a Number (NaN) is present for some tidal slope measurements due to an internal problem with calculating the value (RBR 2020). There are 13,334 rows of data for RBR s/n 42048 and 13,454 rows of data for RBR s/n 42049.
Completeness_Report:
These are complete, uncorrected water parameter data files for data collected within the Grand Bay National Estuarine Research Reserve, Mississippi. Instrument altitude (length of seabed to the pressure transducer) was measured and can be used to post-process data and correct for depth. Data were removed from the file when the RBR was recording measurements out of the water. These data files are considered complete unless otherwise noted by null data values. All data should be checked for accuracy before use.
Lineage:
Process_Step:
Process_Description:
Two RBRsolo3 sensors were used to record atmospheric pressure, tidal slope, sea pressure, and sensor depth. RBR s/n 42048 was installed in the estuary between NST Sites 5 and 6 (30.35188496, -88.44801589) and RBR s/n 42049 was installed in the estuary between NST Sites 7 and 8 (30.3414136, -88.44618433). Location coordinates are in the North American Datum of 1983 Universal Transverse Mercator Zone 16 North. Before the first deployment in April 2019 (FAN: 2019-319-FA), each sensor was programmed, using the Ruskin software package, to record at 30-minute intervals with a sampling speed of 4 hertz (Hz) and a sampling duration of 1024 counts. The sampling duration does not relate to the number of rows of data the sensor will report, but instead is the length of data collection per measurement. The sensors were wrapped in electrical tape and copper foil to prevent biofouling. A 2-meter stainless steel pipe was pushed 1.5 m into the estuary's seabed, leaving 50 centimeters (cm) for the sensor to be attached. The RBR was attached so pressure transducers faced the seabed. The sensor altitude (height from the seafloor to the pressure transducer) was collected for later use in post-processing. For 2019-319-FA, the sensor altitude for RBR 42048 was 14 cm and RBR 42049 it was 11.5 cm. Sensor locations were recorded using a real time kinematic global positioning system receiver (RTK GPS) then left to record data for one month.
Process_Date: 2019
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Position: Researcher Ecologist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@usgs.gov
Process_Step:
Process_Description:
After the initial deployment in April 2019, the RBRs were collected in May 2019. Before removing the sensor, a measurement of the sensor altitude was collected to ensure it did not move during the deployment. The RBRs were then removed from the stainless-steel pipe to download the data as a text (.txt) file, clean any biofouling, swap the batteries/desiccant/o-rings, and program the sensors for redeployment.
Process_Date: 2020
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Position: Researcher Ecologist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@usgs.gov
Process_Step:
Process_Description:
During FANs 2019-303-FA (19CCT03 and 19CCT04), and 2020-301-FA (20CCT01) each sensor was programmed to record at 30-minute intervals. The RBRs sampling duration was set to 4096 counts with a sampling speed of 4 hertz (Hz). The sampling duration does not relate to the number of rows of data the sensor will report, but instead is the length of data collection per measurement. The sensors were wrapped in electrical tape and copper foil to prevent biofouling and were deployed for three-month intervals. The serial numbers were matched with the corresponding locations to ensure consistency between device and location. The RBR was attached so pressure transducers faced the seabed. The sensor altitude (height from the seafloor to the pressure transducer) was collected for later use in post processing.
Process_Date: 2020
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Position: Researcher Ecologist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@usgs.gov
Process_Step:
Process_Description:
As part of the final QA/QC process, extraneous data recorded pre- and post-deployment (during periods of time when the sensor was collecting data out of the water) were removed and field names were edited for clarity and consistency with publishing standards. Data from all four trips were converted from .txt to .csv files and combined to make one comprehensive data file for each sensor.
Process_Date: 2020
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Position: Researcher Ecologist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@usgs.gov
Process_Step:
Process_Description:
Version 2.0 update: The no data values in the Grand_Bay_RBR_42028_Data.csv and Grand_Bay_RBR_42029_Data.csv were changed from "---" to "NaN", and the distribution contact person was changed to Christopher G. Smith.
Process_Date: 20230215
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Joseph F. Terrano
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8047
Contact_Electronic_Mail_Address: jterrano@usgs.gov
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 16
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -87.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.6096
Ordinate_Resolution: 0.6096
Planar_Distance_Units: Meter
Geodetic_Model:
Horizontal_Datum_Name: D_North_American_1983
Ellipsoid_Name: GRS_1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Grand_Bay_RBR_Data.zip
Entity_Type_Definition:
This file contains CSV files with RBR water parameter data collected between April 2019 and January 2020 from two sampling sites located in the Grand Bay National Estuarine Research Reserve, Mississippi. Data were collected using two RBRsolo3 sensors (s/n 42048 and s/n 42049).
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: FAN
Attribute_Definition:
USGS field activity number (FAN) assigned to each sample collection trip.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Unrepresentable_Domain:
Character string. Each field visit was assigned a FAN by the USGS SPCMSC to assist with dataset tracking. It uses the naming convention YYYY-XXX-FA, where YYYY represents the year of field activity, XXX represents the numbered trip, and FA denotes field activity. FANs were used to describe the entire field effort of a project, so alternate FANs were used to differentiate between quarterly sampling trips.
Attribute:
Attribute_Label: Alternate FAN
Attribute_Definition:
Alternate (abbreviated) FAN number assigned each collection trip.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Unrepresentable_Domain:
Character string. Alternate FAN numbers were assigned by the USGS as YYCCTXX, where YY is the 2-digit year, CCT stands for coastal change and transport, and XX is the trip number. No alternate FAN was created for 2019-319-FA; consequently, these empty fields are populated with “NaN" within the CSV files.
Attribute:
Attribute_Label: Date.Time
Attribute_Definition:
Date in the M/DD/YYYY, MM/D/YYYY, M/D/YYYY or MM/DD/YYYY format and Coordinated Universal Time (UTC) in the H:MM or HH:MM format. Data were collected in 30-minute intervals.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 4/15/2019 16:00
Range_Domain_Maximum: 1/28/2020 13:30
Attribute:
Attribute_Label: Pressure (dbar)
Attribute_Definition: Pressure measured by the RBR, in decibar (dbar).
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 10.13373
Range_Domain_Maximum: 11.67317
Attribute_Units_of_Measure: decibar (dbar)
Attribute_Measurement_Resolution: 0.00001
Attribute:
Attribute_Label: Tidal slope (m/hour)
Attribute_Definition:
Tidal slope is a derived internal calculation from the pressure measurement. Recorded in meters per hour (m/hour). NaN (not a number) is present when the RBR could not derive a value.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -0.52438
Range_Domain_Maximum: 0.17882
Attribute_Units_of_Measure: meters per hour (m/hr)
Attribute_Measurement_Resolution: 0.00001
Attribute:
Attribute_Label: Sea pressure (dbar)
Attribute_Definition:
Sea pressure is a derived internal calculation from the pressure measurement. It was recorded in dbar and removes the atmospheric pressure to yield underwater pressure.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.00123
Range_Domain_Maximum: 1.54066
Attribute_Units_of_Measure: decibar (dbar)
Attribute_Measurement_Resolution: 0.00001
Attribute:
Attribute_Label: Sensor depth (m)
Attribute_Definition:
The sensor depth is a derived internal calculation from the pressure measurement. It was recorded, in meters (m), to yield the depth of the sensor.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.00122
Range_Domain_Maximum: 1.53120
Attribute_Units_of_Measure: meters (m)
Attribute_Measurement_Resolution: 0.00001
Overview_Description:
Entity_and_Attribute_Overview:
Detailed attribute descriptions for the supplemental information file (Supplemental_RBR_Data.csv) are provided in the included data dictionary (Supplemental_info_data_dictionary.docx). These metadata are not complete without this file. Supplemental information includes the FAN, sensor serial number, deployment/retrieval dates, sensor altitudes at deployment/retrieval, seafloor elevation collected using an RTK, and location (latitude/longitude).
Entity_and_Attribute_Detail_Citation:
Supplemental_RBR_Data.csv and Supplemental_info_data_dictionary.docx in Terrano and others, 2020, RBR sensor pressure and tidal data for two sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from April 2019 through January 2020, https://doi.org/10.5066/P9ONI8PS.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey St. Petersburg Coastal and Marine Science Center
Contact_Person: Christopher G. Smith
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8035
Contact_Electronic_Mail_Address: cgsmith@usgs.gov
Resource_Description: Grand_Bay_RBR_42028_Data.csv, Grand_Bay_RBR_42029_Data.csv
Distribution_Liability:
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. Any use of trade, firm, or product name 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: Comma-delimited text
Format_Version_Number: 1.0
Format_Specification: .csv
File_Decompression_Technique: Unzip
Transfer_Size: 0.444
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
https://coastal.er.usgs.gov/data-release/doi-P9ONI8PS/data/Grand_Bay_RBR_Data.zip
Fees: None, if obtained online
Custom_Order_Process: None
Metadata_Reference_Information:
Metadata_Date: 20230605
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Contact_Person: Joseph F. Terrano
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: Mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: U.S.
Contact_Voice_Telephone: (727) 502-8047
Contact_Electronic_Mail_Address: jterrano@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Access_Constraints: None
Metadata_Security_Information:
Metadata_Security_Classification_System: None
Metadata_Security_Classification: Unclassified
Metadata_Security_Handling_Description: None
This page is <https://cmgds.marine.usgs.gov/catalog/spcmsc/Grand_Bay_RBR_Data_Metadata.html>
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