PNG Images of chirp sub-bottom profiler data collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (PNG Image Format)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2015
Title:
PNG Images of chirp sub-bottom profiler data collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (PNG Image Format)
Edition: 1.0
Geospatial_Data_Presentation_Form: raster digital data
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F75X2704
Publication_Information:
Publication_Place:
Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.5066/F75X2704
Online_Linkage: Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Jane F. Denny
Originator: William C. Schwab
Originator: Wayne E. Baldwin
Originator: Emile Bergeron
Originator: Eric Moore
Publication_Date: 2015
Title:
High-resolution geophysical data collected offshore of Fire Island, New York in 2011, USGS Field Activity 2011-005-FA
Edition: 1.0
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F75X2704
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F75X2704
Description:
Abstract:
The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in 2011 using interferometric sonar and high-resolution chirp seismic-reflection systems. These spatial data support research on the Quaternary evolution of the Fire Island coastal system and provide baseline information for research on coastal processes along southern Long Island. For more information about the WHCMSC Field Activity, see https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-005-FA.
Purpose:
PNG images of each seismic profile were generated in order to incorporate images of the seismic data into Geographic Information System (GIS) projects and data archives. These PNG images represent 2200 kilometers of chirp seismic data collected with an Edgetech Geo-Star FSSB sub-bottom profiling system and an SB-0512i towfish (0.5 - 12 kHz) during USGS field activity 2011-005-FA. The PNG format is universal and yields an easily viewable image of the seismic profiles. Corresponding trackline navigation is contained within a polyline shapefile (2011-005-FA_chirptrk.shp), shot-point locations are available in a point shapefile (2011-005-FA_chirp500sht.shp). (see: https://doi.org/10.5066/F75X2704)
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20110521
Ending_Date: 20110605
Currentness_Reference: ground condition during 20110521 - 20110605
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -73.278147
East_Bounding_Coordinate: -72.745661
North_Bounding_Coordinate: 40.749798
South_Bounding_Coordinate: 40.544405
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: USGS
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: CMGP
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: WHCMSC
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: Marine Geology
Theme_Keyword: field activity number 2011-005-FA
Theme_Keyword: sub-bottom profiling
Theme_Keyword: seismic reflection
Theme_Keyword: chirp
Theme_Keyword: Edgetech 512i
Theme_Keyword: M/V Scarlett Isabella
Theme_Keyword: PNG
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: North America
Place_Keyword: United States
Place_Keyword: New York
Place_Keyword: Fire Island
Place_Keyword: Fire Island National Seashore
Access_Constraints: none
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of the dataset.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane F. Denny
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: Massachusetts
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x 2311
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description:
Thumbnail image of chirp subbottom data collected by the U.S. Geological Survey on the inner-continental shelf offshore of Fire Island, NY, 2011.
Browse_Graphic_File_Type: PNG
Native_Data_Set_Environment:
Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.1850
Cross_Reference:
Citation_Information:
Originator: William C. Schwab
Originator: Wayne E. Baldwin
Originator: Cheryl J. Hapke
Originator: Erika E. Lentz
Originator: Paul T. Gayes
Originator: Jane F. Denny
Originator: Jeffrey H. List
Originator: John C. Warner
Publication_Date: 2013
Title:
Geologic Evidence for Onshore Sediment Transport from the Inner Continental Shelf: Fire Island, New York
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Journal of Coastal Research
Issue_Identification: Volume 29, Issue 3, pp. 526-544.
Publication_Information:
Publication_Place: Florida, USA
Publisher: Coastal Education and Research Foundation, Inc.
Online_Linkage: http://dx.doi.org/10.2112/JCOASTRES-D-12-00160.1
Cross_Reference:
Citation_Information:
Originator: David S. Foster
Originator: Ann B. Swift
Originator: William C. Schwab
Publication_Date: 1999
Title:
Stratigraphic Framework Maps of the nearshore area of southern Long Island from Fire Island to Montauk Point, NY
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 99-559
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/1999/of99-559/
Cross_Reference:
Citation_Information:
Originator: William C. Schwab
Originator: E. Robert Thieler
Originator: Jane F. Denny
Originator: William W. Danforth
Originator: Jenna C. Hill
Publication_Date: 2000
Title:
Seafloor sediment distribution off southern Long Island, New York
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 00-243
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2000/of00-243/
Cross_Reference:
Citation_Information:
Originator: W.C. Schwab
Originator: J.F. Denny
Originator: W.E. Baldwin
Publication_Date: 2014
Title:
Maps Showing Bathymetry and Modern Sediment Thickness on the Inner Continental Shelf Offshore of Fire Island, New York, Pre-Hurricane Sandy
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Open File Report
Issue_Identification: 2014-1203
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details:
This publication contains the backscatter image generated from data collected during WHCMSC field activity 2011-005-FA.
Online_Linkage: https://pubs.usgs.gov/of/2014/1203/
Cross_Reference:
Citation_Information:
Originator: W.C. Schwab
Originator: W.E. Baldwin
Originator: J.F. Denny
Publication_Date: 2014
Title:
Maps Showing the Change in Modern Sediment Thickness on the Inner Continental Shelf Offshore of Fire Island, New York, Between 1996-97 and 2011
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Open File Report
Issue_Identification: 2014-1238
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2014/1238/
Cross_Reference:
Citation_Information:
Originator: William C. Schwab
Originator: Wayne E. Baldwin
Originator: Jane F. Denny
Originator: Cheryl J. Hapke
Originator: Paul T. Gayes
Originator: Jeffrey H. List
Originator: John C. Warner
Publication_Date: 2014
Title:
Modification of the Quaternary stratigraphic framework of the inner-continental shelf by Holocene marine transgression: An example offshore of Fire Island, New York
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Marine Geology
Issue_Identification: Volume 355
Publication_Information:
Publication_Place: Amsterdam, Netherlands
Publisher: Elsevier B.V.
Online_Linkage: http://dx.doi.org/10.1016/j.margeo.2014.06.011
Cross_Reference:
Citation_Information:
Originator: Goff, J.A.
Originator: Flood, R.D.
Originator: Austin, J.A.
Originator: Schwab, W.C.
Originator: Christensen, B.
Originator: Browne, C.M.
Originator: Denny, J.F.
Originator: Baldwin, W.E.
Publication_Date: 2015
Title:
The impact of Hurricane Sandy on the shoreface and inner shelf of Fire Island, New York: Large bedform migration and limited erosion
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Continental Shelf Research
Issue_Identification: v. 98, pp. 13-25
Publication_Information:
Publication_Place: Amsterdam, Netherlands
Publisher: Elsevier B.V.
Online_Linkage: http://dx.doi.org/10.1016/j.csr.2015.03.001
Data_Quality_Information:
Logical_Consistency_Report:
All subbottom data were collected during USGS cruise 2011-005-FA using an Edgetech SB-512i chirp subbottom profiler. Processed chirp seismic data (lines 14 - 92) were converted to PNG format for ease of seismic trace display. Quality control was conducted during processing.
Completeness_Report:
Acquired chirp seismic data (Lines 14 - 92) were processed and PNG images produced. Only bathymetric data were collected for lines 1 -13, as outlined in the research plan.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The Edgetech SB-0512i was mounted on a catamaran sled and towed at the sea surface 51.5 m (lines l14f1 - l74f1) and 43.2 m (lines l75f1 - l92f1) astern of the M/V Scarlett Isabella. Position data were provided by a Differential Global Positioning System (DGPS) navigation receiver (F180 (lines l14f1 - l74f1) and BR2G (lines l75f1 - l92f1)). Layback navigation was generated to account for towfish position. Positional accuracy is assumed to be ± 10 m.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: Unpublished Material
Title: Raw seismic data
Type_of_Source_Media: disk
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20110521
Ending_Date: 20110605
Source_Currentness_Reference: ground condition during 20110521 - 20110605
Source_Citation_Abbreviation: chirp images
Source_Contribution:
Shallow geologic framework and surficial geology were interpreted from approximately 2200 trackline kilometers of chirp seismic-reflection profiles that were collected during U.S. Geological Survey field activity 2011-005-FA ( https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-005-FA). Final, post-processed profiles were used to make the interpretations. Survey: Survey lines were run at an average speed of 5 knots. Lines 14 through 27 were run at a 75-m line spacing to achieve full coverage of the seafloor with sonar systems in a priority area of interest in the nearshore, in water depths less than 15 meters. Lines 28 through 92 were run at a 150-m line spacing, with the exception of tie lines (lines 52 through 60, 65 through 67, 89 through 92), which were run at approximately a 2-km line spacing. Seismic Data: Chirp seismic data were collected using an EdgeTech Geo-Star FSSB sub-bottom profiling system and an SB-0512i towfish (0.5-12 kHz), which was mounted on a catamaran and towed astern of the M/V Scarlett Isabella. Chesapeake Technologies' SonarWiz (v.5.03.0016) seismic acquisition software was used to control the Geo-Star topside unit, digitally log trace data in the SEG-Y Rev. 1 format (IEEE floating point), and record DGPS navigation coordinates to the SEG-Y trace headers (in arc seconds of Latitude and Longitude, multiplied by a scalar of 100). Data were acquired using a 0.25-s shot rate, a 5-ms pulse length, and a 0.5 to 8 kHz frequency sweep. Recorded trace lengths were approximately 200 ms (4340 samples/trace and .000046-s sample interval).
Process_Step:
Process_Description:
Processing Seismic Data: SIOSEIS (version 2010.2.25) was used to read SEG-Y files, renumber shots starting from one, and write out new SEG-Y files. The original shot numbers, which were assigned by SonarWiz sequentially over the duration of an acquisition session despite SEG-Y file changes, are preserved in the raw SEG-Y data. Wayne E. Baldwin performed this and all subsequent process steps.
Process_Date: 2011
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Wayne E. Baldwin
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 x2226
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: wbaldwin@usgs.gov
Process_Step:
Process_Description:
Seismic Unix (version 4.2) was used to read renumbered SEG-Y files, write a Seismic Unix file, and extract SEG-Y trace header information, including shot number, longitude, latitude, year, Julian day, and time of day (UTC). Geographic coordinates (WGS84) were converted to UTM zone 18 coordinates (WGS84) using Proj (version 4.6.0). Header information from each SEG-Y file were saved to text files after an AWK (no version) filter was used to maintain the first and last shots, shots at multiples of 100, and shots with unique navigation coordinates. End shots and shots at multiples of 100 may not have unique navigation coordinates. Separate text files containing the first and last shots and even 500 shot intervals were also saved. A 500 shot interval was chosen because it corresponds to the annotation interval provided along the top of the seismic-reflection profile PNG images.
Process_Date: 2011
Process_Step:
Process_Description:
Seismic Unix (version 4.2) was used to read all processed SEG-Y files and plot the data as 8-bit gray scale Postscript files using the Seismic Unix 'psimage' algorithm. All images were created with a horizontal scale of 200 traces per inch. The profiles contain 60 milliseconds of Two-Way Travel Time within an 12-inch vertical window, yielding approximately 5 milliseconds per inch. Postscript images were converted to PNG format using ImageMagick (version 6.6.1) The x-axis units of the images are shot number while the y-axis is two-way travel time in seconds.
Process_Date: 2011
Process_Step:
Process_Description:
The online links to the data were updated to reflect the new server hosting the data. Additionally, other small edits could be made to the metadata, such as modifying http to https where appropriate. The metadata date (but not the metadata creator) was edited to reflect the date of these changes.
Process_Date: 20170418
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
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane F. Denny
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: Massachusetts
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x 2311
Contact_Facsimile_Telephone: 508-457-2311
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Resource_Description:
2011-005-FA_chimages.zip - this zip file contains 303 PNG files representing seismic-reflection profiles collected during WHCMSC field activity 2011-005-FA.
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: PNG
Format_Version_Number: 1.0
Format_Specification: Portable Network Graphics (PNG)
Format_Information_Content:
WinZip (version 14.0) file containing the chirp subbottom profiler PNG images collected by the USGS offshore of Fire Island, NY, 2011. This also includes associated metadata.
File_Decompression_Technique: Use WinZip, 7zip, Peazip or pkUnzip
Transfer_Size: 850
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data can be downloaded via the Internet
Fees: none
Technical_Prerequisites: These data can be viewed with any PNG image viewing software.
Metadata_Reference_Information:
Metadata_Date: 20170418
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane F. Denny
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: 02534-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2311
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: jdenny@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

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