Chirp sub-bottom data collected in Ozette Lake, Washington, in 2019

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: George R. Snyder
Originator: Alicia F. Balster-Gee
Originator: Daniel S. Brothers
Originator: Drake M. Singleton
Originator: Jason S. Padgett
Originator: Jenna C. Hill
Originator: Andrew C. Ritchie
Originator: SeanPaul M. La Selle
Originator: Jared W. Kluesner
Originator: Brian Sherrod
Originator: Daniel C. Powers
Originator: Peter Dal Ferro
Originator: Jackson E. Currie
Publication_Date: 20240615
Title:
Chirp sub-bottom data collected in Ozette Lake, Washington, in 2019
Geospatial_Data_Presentation_Form:
Chirp seismic reflection data in SEG-Y format and navigation polylines in Shapefile format.
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9W5RAL4
Publication_Information:
Publication_Place:
Pacific Coastal and Marine Science Center, Santa Cruz, California
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9W5RAL4
Larger_Work_Citation:
Citation_Information:
Originator: George R. Snyder
Originator: Alicia F. Balster-Gee
Originator: Daniel S. Brothers
Originator: Drake M. Singleton
Originator: Jason S. Padgett
Originator: Jenna C. Hill
Originator: Andrew C. Ritchie
Originator: SeanPaul M. La Selle
Originator: Jared W. Kluesner
Originator: Brian Sherrod
Originator: Daniel C. Powers
Originator: Peter Dal Ferro
Originator: Jackson E. Currie
Publication_Date: 2024
Title:
Seismic sub-bottom, sediment core, and radiocarbon data collected in Ozette Lake, Washington
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9W5RAL4
Publication_Information:
Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, CA
Publisher: U.S. Geological Survey
Other_Citation_Details:
Suggested Citation: Snyder, G.R., Balster-Gee, A.F., Brothers, D.S., Singleton, D.M., Padgett, J.S., Hill, J.C., Ritchie, A.C., La Selle, S.M., Kluesner, J.W., Sherrod, B., Powers, D.C., Dal Ferro, P., and Currie, J.E., 2024, Seismic sub-bottom, sediment core, and radiocarbon data collected in Ozette Lake, Washington: U.S. Geological Survey data release, https://doi.org/10.5066/P9W5RAL4.
Online_Linkage: https://doi.org/10.5066/P9W5RAL4
Description:
Abstract:
Chirp seismic reflection data and associated navigation files were collected in Ozette Lake, Washington, in 2019 for use in regional earthquake hazard assessments relating the Cascadia Subduction Zone. Dataset includes both raw and processed chirp data.
Purpose:
Identification of fault-related submarine hazards is a primary mission of the USGS Coastal and Marine Geology Program. In the US Pacific Northwest region, the greatest earthquake and tsunami threat is posed by the Cascadia Subduction Zone. From 2019-2021 the USGS carried out a detailed field investigation of earthquake-triggered landslide deposits in Ozette Lake, WA, to reconstruct the timing and severity of large subduction zone earthquakes in northern Cascadia. Field data collected as part of this investigation include boomer single-channel seismic, chirp seismic, and sediment cores. These data are intended to further our understanding of geologic hazards relating to the Cascadia Subduction Zone, improve risk assessments for local communities and critical infrastructure, and to provide data for future research on regional tectonic and sedimentary history of northern Cascadia.
Supplemental_Information:
Additional information about the field activity from which these data were derived is available online at:
https://cmgds.marine.usgs.gov/fan_info.php?fan=2019-622-FA
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in Esri format, this metadata file may include some Esri-specific terminology.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20190714
Ending_Date: 20190803
Currentness_Reference: Ground conditions at time data were collected
Status:
Progress: In work
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -124.607344
East_Bounding_Coordinate: -124.668633
North_Bounding_Coordinate: 48.152533
South_Bounding_Coordinate: 48.039542
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:e326ce6a-b4a1-4b9c-a957-944178de2b38
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation
Theme_Keyword: location
Theme:
Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: substrate
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: marine geophysics
Theme_Keyword: sub-bottom profiling
Theme_Keyword: geospatial datasets
Theme_Keyword: sub-bottom profiling
Theme_Keyword: marine geophysics
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: data processing
Theme_Keyword: seismic reflection profiling
Theme_Keyword: Global Positioning System (GPS) observations
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC
Theme_Keyword: Department of the Interior
Theme_Keyword: DOI
Theme_Keyword: field activity number 2019-622-FA
Theme_Keyword: seismic reflection
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Pacific Ocean
Place_Keyword: State of Washington
Place_Keyword: Ozette Lake
Place_Keyword: Ozette River
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Olympic Wilderness
Access_Constraints: No access constraints
Use_Constraints:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator(s) of the dataset and in products derived from these data. This information is not intended for navigation purposes.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: 2019-622-FA_seismic_chirp.jpg
Browse_Graphic_File_Description: Example image of 2019-622-FA chirp seismic data.
Browse_Graphic_File_Type: JPG
Native_Data_Set_Environment:
Field seismic data was collected with EdgeTech Discover acquisition software and processed using Shearwater Reveal (v. 5.1) on a CentOS Linux 7 operating system. Seismic tracklines were processed using ArcGIS Pro (v. 2.9.1) on a Windows 10 operating system.
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Quality control of attribute accuracy was conducted during field data collection and processing workflows.
Logical_Consistency_Report:
All SEG-Y and navigation data were derived from the same instruments and processing workflows.
Completeness_Report:
Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Data release will be updated as additional data is processed.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
A Hemisphere V110 GPS system was used for obtaining navigation data during the cruise with a stated accuracy of 0.6 meters (95 percent confidence).
Lineage:
Process_Step:
Process_Description:
Field seismic data collection: Seismic data was collected during USGS field activity 2019-622-FA using an EdgeTech SB-512 CHIRP sub-bottom profiler and Discover seismic acquisition software. Field data were collected in JSF and SEG-Y formats. Navigation data was collected simultaneously with a Hemisphere V110 GPS and saved into the seismic headers during acquisition.
Process_Date: 20191024
Process_Step:
Process_Description:
The following processing flow was carried out in Shearwater Reveal (v. 5.1) to process field data output to SEG-Y files: (1) Field-collected SEG-Y files were imported to Shearwater Reveal and navigation was converted to WGS 1984 UTM Zone 10 North. These coordinates are populated in the seismic trace headers in bytes 73 and 77. SEG-Y files were added to the data zip file (2019-622-FA.seismic.chirp.zip).
Process_Date: 20230826
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: 14
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: WGS 1984 UTM Zone 10N
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -123.0
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: 0.0001
Ordinate_Resolution: 0.0001
Planar_Distance_Units: Meter
Geodetic_Model:
Horizontal_Datum_Name: WGS 1984
Ellipsoid_Name: WGS 84
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257224
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
Zip archive of seismic shots with time stamp in standard SEG-Y format.
Entity_and_Attribute_Detail_Citation:
Society of Exploration Geophysicists (SEG) Technical Standards, available for download at http://seg.org/Publications/SEG-Technical-Standards].
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - CMGDS
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 1-831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Resource_Description:
Seismic data are available in SEG-Y format (2019-622-FA_seismic_chirp.zip). SEG-Y files contain UTM zone 10N navigation in header bytes 73 and 77.
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 on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: SEG-Y
Format_Version_Number: SEG-Y rev 1
Format_Information_Content:
Zip file contains processed seismic data per single navigation line
File_Decompression_Technique:
Zip files may be decompressed with any zip utility (e.g., 7zip, WinZip, Archive Utility).
Transfer_Size: 2400
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W5RAL4
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link and scrolling to 2019-622-FA_seismic_chirp.zip
Fees: None.
Technical_Prerequisites:
Viewing SEG-Y data requires specialized software. A list of common SEG-Y processing and visualization software is available here: (http://www.oilfieldwiki.com/wiki/List_of_free_geophysics_software).
Metadata_Reference_Information:
Metadata_Date: 20240615
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

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