nsc2002_shots.shp: Chirp shotpoint navigation collected by Virginia Institute of Marine Science along the nearshore region of the northern Outer Banks, NC

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Dr. Jesse McNinch
Publication_Date: 2013
Title:
nsc2002_shots.shp: Chirp shotpoint navigation collected by Virginia Institute of Marine Science along the nearshore region of the northern Outer Banks, NC
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2011-1015
Publication_Information:
Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage:
<https://pubs.usgs.gov/of/2011/1015/data/trackshots/nearshore/nsc2002_shots.zip>
Online_Linkage: <https://pubs.usgs.gov/of/2011/1015/data_catalog.html>
Larger_Work_Citation:
Citation_Information:
Originator: E.R. Thieler
Originator: D.S. Foster
Originator: D.M. Mallinson
Originator: E.A. Himmelstoss
Originator: J.E. McNinch
Originator: J.H. List
Originator: E.S. Hammar-Klose
Publication_Date: 2013
Title:
Quaternary Geophysical Framework of the Northeastern North Carolina Coastal System
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2011-1015
Publication_Information:
Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: <https://pubs.usgs.gov/of/2011/1015/>
Description:
Abstract:
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that mapped the Quaternary geologic framework of the estuaries, barrier islands, and inner continental shelf. This information provides a basis to understand the linkage between geologic framework, physical processes, and coastal evolution at time scales from storm events to millennia. The study area attracts significant tourism to its parks and beaches, contains a number of coastal communities, and supports a local fishing industry, all of which are impacted by coastal change. Knowledge derived from this research program can be used to mitigate hazards and facilitate effective management of this dynamic coastal system.
This regional mapping project produced spatial datasets of high-resolution geophysical (bathymetry, backscatter intensity, and seismic reflection) and sedimentary (core and grab-sample) data. The high-resolution geophysical data were collected during numerous surveys within the back-barrier estuarine system, along the barrier island complex, in the nearshore, and along the inner continental shelf. Sediment cores were taken on the mainland and along the barrier islands, and both cores and grab samples were taken on the inner shelf. Data collection was a collaborative effort between the U.S. Geological Survey (USGS) and several other institutions including East Carolina University (ECU), the North Carolina Geological Survey, and the Virginia Institute of Marine Science (VIMS).
The high-resolution geophysical data of the inner continental shelf were collected during six separate surveys conducted between 1999 and 2004 (four USGS surveys north of Cape Hatteras: 1999-045-FA, 2001-005-FA, 2002-012-FA, 2002-013-FA, and two USGS surveys south of Cape Hatteras: 2003-003-FA and 2004-003-FA) and cover more than 2600 square kilometers of the inner shelf. Single-beam bathymetry data were collected north of Cape Hatteras in 1999 using a Furuno fathometer. Swath bathymetry data were collected on all other inner shelf surveys using a SEA, Ltd. SwathPLUS 234-kHz bathymetric sonar. Chirp seismic data as well as sidescan-sonar data were collected with a Teledyne Benthos (Datasonics) SIS-1000 north of Cape Hatteras along with boomer seismic reflection data (cruises 1999-045-FA, 2001-005-FA, 2002-012-FA and 2002-013-FA). An Edgetech 512i was used to collect chirp seismic data south of Cape Hatteras (cruises 2003-003-FA and 2004-003-FA) along with a Klein 3000 sidescan-sonar system. Sediment samples were collected with a Van Veen grab sampler during four of the USGS surveys (1999-045-FA, 2001-005-FA, 2002-013-FA, and 2004-003-FA). Additional sediment core data along the inner shelf are provided from previously published studies.
A cooperative study, between the North Carolina Geological Survey and the Minerals Management Service (MMS cores), collected vibracores along the inner continental shelf offshore of Nags Head, Kill Devils Hills and Kitty Hawk, North Carolina in 1996. The U.S. Army Corps of Engineers collected vibracores along the inner shelf offshore of Dare County in August 1995 (NDC cores) and July-August 1995 (SNL cores). These cores are curated by the North Carolina Geological Survey and were used as part of the ground validation process in this study.
Nearshore geophysical and core data were collected by the Virginia Institute of Marine Science. The nearshore is defined here as the region between the 10-m isobath and the shoreline. High-resolution bathymetry, backscatter intensity, and chirp seismic data were collected between June 2002 and May 2004. Vibracore samples were collected in May and July 2005.
Shallow subsurface geophysical data were acquired along the Outer Banks barrier islands using a ground-penetrating radar (GPR) system. Data were collected by East Carolina University from 2002 to 2005. Rotasonic cores (OBX cores) from five drilling operations were collected from 2002 to 2006 by the North Carolina Geological Survey as part of the cooperative study with the USGS. These cores are distributed throughout the Outer Banks as well as the mainland.
The USGS collected seismic data for the Quaternary section within the Albemarle-Pamlico estuarine system between 2001 and 2004 during six surveys (2001-013-FA, 2002-015-FA, 2003-005-FA, 2003-042-FA, 2004-005-FA, and 2004-006-FA). These surveys used Geopulse Boomer and Knudsen Engineering Limited (KEL) 320BR Chirp systems, except cruise 2003-042-FA, which used an Edgetech 424 Chirp and a boomer system. The study area includes Albemarle Sound and selected tributary estuaries such as the South, Pungo, Alligator, and Pasquotank Rivers; Pamlico Sound and trunk estuaries including the Neuse and Pamlico Rivers; and back-barrier sounds including Currituck, Croatan, Roanoke, Core, and Bogue.
Purpose:
This shot navigation data includes all quality chirp seismic shotpoint data collected within the nearshore region of the study area in shapefile format. These data can be used to relate the seismic profile images with other GIS data. The study area includes the nearshore, defined here as the region between the 10-m isobath and the shoreline, thereby completing the coverage between the inner-shelf and the back-barrier surveys obtained during other geophysical research cruises.
Supplemental_Information:
Towfish: Edgetech 216i Acquisition System: Edgetech X-Star (UNIX based) Frequency: 2-10 kHz Raw Data Format: X-star format SOS: 1750 m/s
Survey Layout: The entire survey area (~40 km alongshore distance) was separated into eight 5 km blocks, Block 1 being the most northern area and Block 8, the farthest south. Approximately 12 lines were planned in each block: 10 shore-parallel and 2 shore-perpendicular. The line closest to shore was line 1 while line 10 was the furthest from shore (~W to E). The spacing between the 5 innermost and outermost lines was 100 m and 150 m respectively. The spacing between the shore-perpendicular lines was ~2.5 km. Not all lines were surveyed depending on time/weather/equipment constraints.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20020531
Ending_Date: 20020614
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -75.752411
East_Bounding_Coordinate: -75.542412
North_Bounding_Coordinate: 36.196723
South_Bounding_Coordinate: 35.851812
Keywords:
Theme:
Theme_Keyword_Thesaurus: General
Theme_Keyword: chirp
Theme_Keyword: shots
Theme_Keyword: navigation
Theme_Keyword: seismics
Theme_Keyword: seismic reflection
Theme_Keyword: X-Star
Theme_Keyword: sub-bottom
Theme_Keyword: seafloor mapping
Theme_Keyword: seafloor
Theme_Keyword: marine geology
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: CMGP
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: Virginia Institute of Marine Science
Theme_Keyword: VIMS
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans and estuaries
Theme_Keyword: oceans and coastal
Theme_Keyword: location
Place:
Place_Keyword_Thesaurus: General
Place_Keyword: North Carolina
Place_Keyword: United States
Place_Keyword: Outer Banks
Place_Keyword: East Coast
Place_Keyword: Duck
Place_Keyword: Kitty Hawk
Place_Keyword: Kill Devil Hills
Place_Keyword: Nags Headk
Place_Keyword: Oregon Inlet
Place_Keyword: North America
Place_Keyword: nearshore
Place_Keyword: Surf Zone
Access_Constraints:
Public domain data are freely redistributable with proper metadata and source attribution. The USGS asks that Dr. Jesse McNinch from the Virginia Institute of Marine Science be referenced as the originator of this dataset in any future products or publications.
Use_Constraints: None
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dr. Jesse McNinch
Contact_Organization:
(formerly) Virginia Institute of Marine Science (currently) US Army Corps of Engineers: Engineer Research and Development Center Field Research Facility
Contact_Position: Director
Contact_Address:
Address_Type: mailing address
Address: USACE-CEERD-HC-F
Address: Field Research Facility
Address: 1261 Duck Road
City: Kitty Hawk
State_or_Province: NC
Postal_Code: 27949-4472
Country: USA
Contact_Voice_Telephone: (252)261-6840 ext 243
Contact_Electronic_Mail_Address: Jesse.Mcninch@usace.army.mil
Data_Set_Credit:
Pelican Group ~ McNinch Lab at the Virginia Institute of Marine Science
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: All attributes were checked in a consistent manner.
Logical_Consistency_Report:
These navigation data have been stripped from the header of seismic SEG-Y data. They have been quality checked by comparing these data to navigation data acquired during cruise operations.
Completeness_Report: These data contain all quality shotpoint records.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
DGPS is assumed to be accurate within 1-2 meters. Slant-range distance is recorded between the chirp tow vehicle and a sidemount rigged with an acoustic transponder during acquisition of chirp sub-bottom data. Offset between the sidemount and GPS antennae is measured. Basic trigonomic calculations use the slant-range offset to calculate a 'fish'(tow-vehicle) navigation. An assumption in these calculations is that the tow-vehicle is traveling directly behind the vessel; movement to port or starboard is not accounted for within 'fish' navigation. Thus, the horizontal accuracy of the chirp tow-vehicle is +/- 15 meters.
Lineage:
Process_Step:
Process_Description:
The seismic shot navigation is received by the Trimble differential GPS system (DGPS), sent directly to the seismic acquisition system, and recorded in the raw XStar header of each file as UTM Zone 18 coordinates (meters). Data were recorded to magnetic tape and archived at the U.S. Geologial Survey.
Process_Date: 200206
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dr. Jesse McNinch
Contact_Organization:
(formerly) Virginia Institute of Marine Science (currently) US Army Corps of Engineers: Engineer Research and Development Center Field Research Facility
Contact_Position: Director
Contact_Address:
Address_Type: mailing address
Address: USACE-CEERD-HC-F
Address: Field Research Facility
Address: 1261 Duck Road
City: Kitty Hawk
State_or_Province: NC
Postal_Code: 27949-4472
Country: USA
Contact_Voice_Telephone: (252)261-6840 ext 243
Contact_Electronic_Mail_Address: Jesse.Mcninch@usace.army.mil
Process_Step:
Process_Description:
The data were read from tape and converted from XStar to SEG-Y format.
Process_Date: 20110408
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
The data were imported into SeisWorks R2001 and the line name, shotpoint and UTM coordinates were exported.
Process_Date: 20110408
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
The extracted shotpoint data were converted to a point shapefile using the X and Y UTM coordinates within ArcCatalog (v9.1) by right-clicking on the table in the ArcCatalog tree, "Create Feature Class" > "From XY Table" is selected from the pop-up menu. The appropriate x-coordinate and y-coordinate fields are specified in the window dialog and the spatial reference information was defined (UTM 18N, WGS84).
Process_Date: 20110408
Process_Step:
Process_Description:
The shotpoint shapefile was projected from UTM 18N (WGS 84) to geographic (WGS 84) coordinates using ArcToolbox (v9.3) "Data Management Tools" > "Projections and Transformations" > "Feature" > "Project".
Process_Date: 20110419
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Emily Himmelstoss
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2262
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: ehimmelstoss@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: 8836
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000001
Longitude_Resolution: 0.000001
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: nsc_200shots
Entity_Type_Definition: Nearshore chirp seismic trackline data
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: X-coordinate of shot point location (UTM 18N, WGS 84)
Attribute_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: UTMY
Attribute_Definition: Y-coordinate of shot point location (UTM 18N, WGS 84)
Attribute_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: Line
Attribute_Definition: Line segment identification number
Attribute_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: Shot
Attribute_Definition: Shot number for line segment
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 5000
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: E. Robert Thieler
Contact_Organization: U.S. Geological Survey
Contact_Position: Research Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2350
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: rthieler@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm 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: WinZip
Format_Version_Number: ArcGIS 9.0
Format_Information_Content:
This WinZip file contains a shapefile of all quality chirp shot point data collected in 2002 along the nearshore of the northern Outer Banks, NC) and the associated metadata.
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 5.58 MB
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<https://pubs.usgs.gov/of/2011/1015/data/trackshots/nearshore/nsc2002_shots.zip>
Network_Resource_Name: htp://pubs.usgs.gov/of/2011/1015/htmldocs/data_catalog.html
Access_Instructions: Data are downloadable via the World Wide Web (WWW).
Fees: None
Technical_Prerequisites:
These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.
Metadata_Reference_Information:
Metadata_Date: 20110113
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Emily Himmelstoss
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2262
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: ehimmelstoss@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.9.6 on Mon Jun 17 14:59:39 2013