2022-312-FA _sol: Digital Chirp Subbottom Profile Start of Line Data Collected During USGS Field Activity Number 2022-312-FA Near Panama City, Florida, June 2022

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Arnell S. Forde
Publication_Date: 20231101
Title:
2022-312-FA _sol: Digital Chirp Subbottom Profile Start of Line Data Collected During USGS Field Activity Number 2022-312-FA Near Panama City, Florida, June 2022
Geospatial_Data_Presentation_Form: Vector Digital Dataset (Point)
Larger_Work_Citation:
Citation_Information:
Originator: Arnell S. Forde
Originator: Emily A. Wei
Originator: Chelsea A. Stalk
Publication_Date: 20231101
Title:
Archive of Chirp Subbottom Profile Data Collected in June 2022 Near Panama City, Florida
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P9YTB22D
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/P9YTB22D
Description:
Abstract:
From June 20-30, 2022, the U.S. Geological Survey (USGS) conducted geophysical surveys to investigate the geologic controls on barrier island evolution and sediment transport near Panama City, Florida (FL). Geophysical data were collected as part of the Coastal Sediment Availability and Flux and Defense Advanced Research Protection Agency (DARPA) Reefense projects. This shapefile represents a point dataset of field activity number (FAN) 2022-312-FA chirp subbottom profile start of trackline locations.
Purpose:
To aid in the registering of digital chirp subbottom profile data collected during USGS FAN 2022-312-FA.
Supplemental_Information:
Additional survey and data details are available from the USGS Coastal and Marine Geoscience Data System (CMGDS) at, https://cmgds.marine.usgs.gov/fan_info.php?fan=2022-312-FA and in the Field Activity Collection System (FACS) and geophysical logs, which are included in the download file, 2022-312-FA _logs.zip (Forde and others, 2023).
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20220620
Ending_Date: 20220630
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -85.708144
East_Bounding_Coordinate: -85.469306
North_Bounding_Coordinate: 30.149756
South_Bounding_Coordinate: 30.023333
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:1d0e6e66-1276-483f-8d04-0472d9d97303
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme_Keyword: location
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: sub-bottom profiling
Theme_Keyword: marine geology
Theme_Keyword: geology
Theme_Keyword: coastal processes
Theme_Keyword: navigational data
Theme_Keyword: geospatial datasets
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: start of line locations
Theme_Keyword: barrier island mapping
Theme_Keyword: seismic reflection
Theme_Keyword: 2022-312-FA
Theme_Keyword: chirp
Place:
Place_Keyword_Thesaurus: Common Geographic Areas
Place_Keyword: Florida
Place_Keyword: Panama City
Place_Keyword: Tyndall Air Force Base
Place_Keyword: Gulf of Mexico
Access_Constraints: None
Use_Constraints:
The U.S. Geological Survey requests to be acknowledged as originator of the data in future products or derivative research.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Arnell S. Forde
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
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: 727-502-8000
Contact_Electronic_Mail_Address: aforde@usgs.gov
Data_Set_Credit:
Data collection and processing were performed by Chelsea Stalk, Emily Wei, and Arnell Forde of the USGS St. Petersburg Coastal and Marine Science Center.
Native_Data_Set_Environment:
Environment as of Metadata Creation: Microsoft Windows 10 Version 6.2 (Build 9200); Environmental Systems Research Institute (Esri) ArcGIS 10.8.2.
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The validity or accuracy of marine subbottom profiles is highly qualitative and depends on equipment and operating condition variables.
Logical_Consistency_Report:
This dataset is from one field activity with consistent instrument calibrations.
Completeness_Report:
A total of 234 seismic lines were collected during this field activity. Ten lines were excluded from Forde and others (2023), due to equipment or acquisition issues resulting in partial or unusable data files.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
As the subbottom profile data were acquired, the position of the vessel was continuously determined by an Applanix POS MV Wavemaster II inertial aided navigation system (IANS), which is accurate to within 0.5-2 meters (m). Positions from the POS MV IANS were recorded and written to the seismic trace headers every 0.20 seconds, with unique navigation fixes every 1 second. The approximately 3-meter offset between the chirp and vessel's IANS reference point has not been accounted for in the comma-delimited American Standard Code for Information Interchange (ASCII) navigation files and trackline map.
Lineage:
Process_Step:
Process_Description:
Navigation files were extracted from the seismic trace headers using Seismic Unix release 44 software, processed with PROJ.5.1.0 software to generate Universal Transverse Mercator (UTM) Zone 16 North (N) coordinates from latitude and longitude coordinates (World Geodetic System of 1984, WGS84), and then saved as ASCII text files in comma-separated values (CSV) format. A custom script was created to produce unique navigation fixes for each line and for all instances where the shot was equal to 1, that data point was output into a new text file. All the shotpoints described in the previous step were concatenated in the CSV file, 2022-312-FA _sol.csv, which represents the start of each trackline collected during the survey.
Process_Date: 20221005
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Arnell S. Forde
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
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: 727-502-8000
Contact_Electronic_Mail_Address: aforde@usgs.gov
Process_Step:
Process_Description:
The reformatted text files were imported into Esri ArcMap 10.8 software to produce a geographic representation of the shotpoint data collected within the survey area. ArcMap was used to create a point shapefile containing start of line locations for all chirp tracklines.
Process_Date: 20230801
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Arnell S. Forde
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
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: 727-502-8000
Contact_Electronic_Mail_Address: aforde@usgs.gov
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 224
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.0197883194
Longitude_Resolution: 0.0227434883
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: WGS_1984
Ellipsoid_Name: WGS_84
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: 2022-312-FA _sol.shp Attribute Table
Entity_Type_Definition:
Table containing attribute information associated with the dataset.
Entity_Type_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: UTMX
Attribute_Definition: UTM-X easting coordinate
Attribute_Definition_Source: Universal Transverse Mercator (WGS 1984, Zone 16N)
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 624446.844
Range_Domain_Maximum: 647594.783
Attribute:
Attribute_Label: UTMY
Attribute_Definition: UTM-Y northing coordinate
Attribute_Definition_Source: Universal Transverse Mercator (WGS 1984, Zone 16N)
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3322352.948
Range_Domain_Maximum: 3336130.865
Attribute:
Attribute_Label: Line
Attribute_Definition: Trackline name
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain:
Line numbers were assigned by the EdgeTech 3400 chirp topside unit during data acquisition and are composed of the FAN, DOY, and trackline number. The naming convention used for each subbottom line is as follows: x_env, where 'x' is an alphanumeric number indicating a specific trackline (for example, 2022_312_FA_171_001) and 'env' denotes that the seismic traces were output as an envelope. Four track lines were manually assigned and do not follow this convention. For these files, the DOY information is excluded from the line number (for example, 2022_312_FA_001b_env). 26 test and “tie” lines (perpendicular tracklines crossing two parallel lines) also deviate from the previously described naming convention and have names such as, 2022_312_FA_172_014testDv5_env and 2022_312_FA_171_004tie_env
Attribute:
Attribute_Label: Shot
Attribute_Definition: Shotpoint number
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 1
Attribute:
Attribute_Label: Lon
Attribute_Definition: Longitude
Attribute_Definition_Source: World Geodetic System 1984 Geographic Coordinate System
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -85.708144
Range_Domain_Maximum: -85.469306
Attribute:
Attribute_Label: Lat
Attribute_Definition: Latitude
Attribute_Definition_Source: World Geodetic System 1984 Geographic Coordinate System
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 30.023333
Range_Domain_Maximum: 30.149756
Attribute:
Attribute_Label: YEAR
Attribute_Definition: Year of data acquisition
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2022
Range_Domain_Maximum: 2022
Attribute:
Attribute_Label: DOY_HR_MIN
Attribute_Definition: day of year:hour:minute:second
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain:
Day of year, hour, minute and second of data acquisition, in Coordinated Universal Time.
Overview_Description:
Entity_and_Attribute_Overview:
Navigation files are available as ASCII delimited text files in CSV format. The final navigation files are provided in 2022-312-FA _nav.zip (Forde and others, 2023) and represent the reprojected survey shotpoint navigation, 1,000-shot-interval locations, and start of line files. The entity and attribute information provided here describes the tabular data associated with the shapefile, 2022-312-FA _sol.shp. Please review the detailed descriptions that are provided (the individual attribute descriptions) for information on the values that appear as fields/table entries of 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.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Arnell S. Forde
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
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) 502-8000
Contact_Electronic_Mail_Address: aforde@usgs.gov
Distribution_Liability:
This publication was prepared by an agency of the United States Government. Although these data were 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: Shapefile, MXD, KMZ, GIF
Format_Information_Content:
2022-312-FA _gis.zip (Forde and others, 2023) contains the survey navigation data represented geospatially using a Google Earth Keyhole Markup Language Zipped (KMZ), Esri map document (MXD), shapefiles, and a folder of processed subbottom profile images (accessible via hyperlinks included in the MXD). This metadata record describes the start of line locations provided in 2022-312-FA _sol.shp, which is one of three Esri shapefiles included in the geographic information system (GIS) data ZIP file.
File_Decompression_Technique: Winzip or 7zip
Transfer_Size: 127.9
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Fees: None
Technical_Prerequisites:
This shapefile was created for use with Esri ArcGIS 10.8 software. It may also be viewed with QGIS (https://www.qgis.org/en/site/, 2023), GeoMapApp 3.6.15 (https://www.geomapapp.org, 2023), or other GIS software capable of importing the data.
Metadata_Reference_Information:
Metadata_Date: 20231030
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Arnell S. Forde
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
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) 502-8000
Contact_Electronic_Mail_Address: aforde@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

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