Metadata: Identification_Information: Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 2015 Title: PNG formatted images of EdgeTech 424 seismic-reflection profiles collected by the U.S. Geological Survey in Barnegat Bay, NJ in 2011, 2012, and 2013 Edition: 1.0 Geospatial_Data_Presentation_Form: digital data Series_Information: Series_Name: Data Series Issue_Identification: 937 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://doi.org/10.3133/ds937 Online_Linkage: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2011_041_FA_SP.zip Online_Linkage: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2012_003_FA_SP.zip Online_Linkage: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2013_014_FA_SP.zip Online_Linkage: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2013_030_FA_SP.zip Larger_Work_Citation: Citation_Information: Originator: Brian D. Andrews Originator: Jennifer L. Miselis Originator: William W. Danforth Originator: Barry J. Irwin Originator: Charles R. Worley Originator: Emile M. Bergeron Originator: Dann S. Blackwood Publication_Date: 2015 Title: Marine geophysical data collected in a shallow back-barrier estuary: Barnegat Bay, New Jersey Edition: 1.0 Series_Information: Series_Name: Data Series Issue_Identification: 937 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/ds/0937/ Online_Linkage: http://dx.doi.org/10.3133/ds937 Description: Abstract: Water quality in the Barnegat Bay-Little Egg Harbor estuary along the New Jersey coast is the focus of a multidisciplinary research project begun in 2011 by the U.S. Geological Survey in partnership with the New Jersey Department of Environmental Protection. This narrow estuary is the drainage for the Barnegat Watershed and flushed by just three inlets connecting it to the Atlantic Ocean, is experiencing degraded water quality, algal blooms, loss of seagrass, and increases in oxygen-depletion events, seaweed, stinging nettles, and brown tide. The scale of the estuary and the scope of the problems within it necessitate a multidisciplinary approach that includes characterizing its physical characteristics (for example, depth, magnitude and direction of tidal currents, distribution of seafloor and subseafloor sediment) and modeling how the physical characteristics interact to affect the estuary's water quality. Scientists from USGS Coastal and Marine Geology Program offices in Woods Hole, Massachusetts, and St. Petersburg, Florida, began mapping the seafloor of the Barnegat Bay-Little Egg Harbor estuary in November 2011 and completed in September 2013. With funding from the New Jersey Department of Environmental Protection and logistical support from the USGS New Jersey Water Science Center, data were collected with a suite of geophysical tools, including swath bathymetric sonar for measuring seafloor depth, a sidescan sonar for collecting acoustic-backscatter data (which provides information about seafloor texture and sediment type), and a subbottom profiler for imaging sediment layers beneath the floor of the estuary. More information about the individual USGS surveys conducted as part of this study can be found on Woods Hole Coastal and Marine Science Center Field Activity webpages: >2011-041-FA: http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2011-041-FA >2012-003-FA: http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2012-003-FA >2013-014-FA: http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2013-014-FA >2013-030-FA: http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2013-030-FA Purpose: Portable Network Graphics (PNG) images of each seismic profile line were produced for visually display of the shot traces and for use in GIS software along with the shapefile of the tracklines. The PNG files are not georeferenced, but can be "spatially linked" by using them with the seismic shots (BarnBaySeisShot100.shp) and tracklines (BarnBaySeisTrks.shp) published in this same report. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20111101 Ending_Date: 20130916 Currentness_Reference: ground condition of individual surveys during bathymetry collection: 20111101-20111107; 20120321-20120408; 20130313-20130326; 20130911-20130916. Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -74.318611 East_Bounding_Coordinate: -74.049497 North_Bounding_Coordinate: 40.090249 South_Bounding_Coordinate: 39.468325 Keywords: Theme: Theme_Keyword_Thesaurus: USGS Metadata Identifier Theme_Keyword: USGS:efcc996f-a6d0-443f-932f-b3dd68484c4c Theme: Theme_Keyword_Thesaurus: none Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Coastal and Marine Geology Program Theme_Keyword: Woods Hole Coastal and Marine Science Center Theme_Keyword: RV Rafael Theme_Keyword: seismic profile Theme_Keyword: Marine Geology Theme_Keyword: seismic reflection Theme_Keyword: EdgeTech 424 Theme_Keyword: Portable Network Graphics Theme_Keyword: field activity serial number 2011-041-FA Theme_Keyword: field activity serial number 2012-003-FA Theme_Keyword: field activity serial number 2013-014-FA Theme_Keyword: field activity serial number 2013-030-FA Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: oceans Theme_Keyword: location Theme_Keyword: imageryBaseMapsEarthCover Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: sub-bottom profiling Theme_Keyword: image collections Theme_Keyword: marine geophysics Place: Place_Keyword_Thesaurus: Geographic Names Information System (GNIS) Place_Keyword: United States of America Place_Keyword: State of New Jersey Place_Keyword: Barnegat Bay Place_Keyword: Metedeconk River Place_Keyword: Mantoloking Place_Keyword: Toms River Place_Keyword: Forked River Place_Keyword: Barnegat Inlet Place_Keyword: Tuckerton Place_Keyword: Little Egg Harbor Place_Keyword: Little Egg Inlet Stratum: Stratum_Keyword_Thesaurus: none Stratum_Keyword: sea floor Stratum_Keyword: seafloor Temporal: Temporal_Keyword_Thesaurus: none Temporal_Keyword: 2011 Temporal_Keyword: 2012 Temporal_Keyword: 2013 Access_Constraints: none Use_Constraints: none Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: bandrews@usgs.gov Data_Set_Credit: Please recognize the U.S. Geological Survey (USGS) as the source of this information Native_Data_Set_Environment: Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.4095 Cross_Reference: Citation_Information: Originator: John Stockwell Publication_Date: 2011 Title: CWP/SU: Seismic Unix Publication_Information: Publication_Place: Golden, CO Publisher: Center for Wave Phenomena - Colorado School of Mines Online_Linkage: http://www.cwp.mines.edu/cwpcodes/index.html Cross_Reference: Citation_Information: Originator: Paul Henkart Publication_Date: 2011 Title: SIOSEIS Publication_Information: Publication_Place: LaJolla, CA Publisher: Scripps Institution of Oceanography, University of California - San Diego Online_Linkage: http://sioseis.ucsd.edu/index.html Cross_Reference: Citation_Information: Originator: Michael W. Norris Originator: Alan K. Faichney Publication_Date: 2002 Title: SEGY Rev.1 Data Exchange Format1 Publication_Information: Publication_Place: Tulsa, OK Publisher: Society of Exploration Geophysicists Online_Linkage: http://www.seg.org/documents/10161/77915/seg_y_rev1.pdf Data_Quality_Information: Logical_Consistency_Report: Processed seismic data were converted to PNG format for ease of seismic trace display. Quality control was conducted during processing. Completeness_Report: Seismic lines that were shorter than 100 shots and did not record usable data were not included. Gaps in sequential line numbers may exist. One PNG image exists for each seismic (profile) trackline identified in the "image" attribute of the trackline shapefile "BarnBaySeisTrks.shp" Lineage: Source_Information: Source_Citation: Citation_Information: Originator: U.S. Geological Survey Publication_Date: Unpublished Material Title: SEG-Y and JSF 512i data. Geospatial_Data_Presentation_Form: raster digital data Type_of_Source_Media: disc Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20111101 Ending_Date: 20130916 Source_Currentness_Reference: ground condition of individual surveys during bathymetry collection: 20111101-20111107; 20120321-20120408; 20130313-20130326; 20130911-20130916 Source_Citation_Abbreviation: SEG-Y and JSF 512i data Source_Contribution: Seismic profile data were collected along approximately 2092 kilometers of survey lines using an EdgeTech 424 subbottom profiling system (frequency modulation swept frequency 4-24 kHz) which was towed from the starboard side of the R/V Rafael. SonarWiz seismic-acquisition software was used to control the EdgeTech 3100 portable topside unit, digitally log trace data in SEG-Y rev. 1 format (IEEE floating point), and record GPS navigation coordinates to the SEG-Y trace headers (in arcseconds of latitude and longitude, multiplied by a scalar of 100). Data were acquired using a 250 ms shot rate with a 5 ms transit pulse length, logging 100 ms of data per trace during the first day (Julian day 305) of survey 2011-014-FA. The shot rate was changed on Julian day 306 to a 500 ms but maintained a record length of 100 ms. This shot rate was maintained for all surveys. A swept frequency spectrum of 4-24 kHz was used for the entire survey, selectable via SonarWiz communicating with the EdgeTech 3100 topside controller. DGPS navigation was supplied by a Hemisphere receiver with the antenna located on the port side aft cabin. Cable layback is 4 meters, depth below water line 0.5 meters. GPS offset from sheave: x = 2.38, y = .62, z = 0. Entered these values into SonarWiz starting with line 1. Seismic-reflection data were processed using SIOSEIS (2011) and Seismic Unix (Stockwell and Cohen, 2008). All navigation data were extracted from trace headers, edited, and saved as ASCII text files. Process_Step: Process_Description: Step 1: 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. Process_Date: 2013 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: bandrews@usgs.gov Process_Step: Process_Description: Step 2: 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 (WGS 84) using Proj (version 4.6.0). Header information from each SEG-Y file was 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. A 100 shot interval was chosen because it corresponds to the annotation interval provided along the top of the seismic-reflection profile PNG images. Process_Date: 2013 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: bandrews@usgs.gov Process_Step: Process_Description: Step 3: PRODUCE SIESMIC IMAGE An executable C-Shell script called on Seismic Unix (v. 4.1) to read the SEG-Y files and plot the data as 24-bit gray scale Postscript image files. All images were created with the horizontal scale at 100 traces per inch. The profiles contain between 20 and 50 milliseconds of Two-Way Travel Time within an 8-inch vertical window, yielding 4.2 milliseconds per inch. Postscript images were converted to PNG format using ImageMagick (version 6.8.9). Process_Date: 2014 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: bandrews@usgs.gov Process_Step: Process_Description: USGS Thesaurus keywords added to the keyword section. Process_Date: 20180720 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 Process_Step: Process_Description: Crossref DOI link was added as the first link in the metadata. Process_Date: 20191115 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 Process_Step: Process_Description: Added keywords section with USGS persistent identifier as theme keyword. Process_Date: 20200908 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: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Electronic_Mail_Address: bandrews@usgs.gov Resource_Description: 2011_041_FA.zip, 2012_003_FA.zip, 2013_014_FA.zip, and 2013_030_FA.zip contain the seismic profile images in PNG format collected during each survey and the associated metadata. 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: Portable Network Graphics (PNG) Format_Version_Number: none Format_Information_Content: WinZip file 2012_003_FA.zip contains seismic reflection profile images in PNG format, a browse graphic, and associated metadata from field activity 2011_041_FA. File_Decompression_Technique: WinZip (v. 14.0) Transfer_Size: 109 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2011_041_FA_SP.zip Access_Instructions: Data can be downloaded via the World Wide Web (WWW) Fees: none Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: Portable Network Graphics (PNG) Format_Version_Number: none Format_Information_Content: WinZip file 2012_003_FA.zip contain seismic reflection profile images in PNG format, a browse graphic, and associated metadata from field activity 2012_003_FA. File_Decompression_Technique: WinZip (v. 14.0) Transfer_Size: 423 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2012_003_FA_SP.zip Access_Instructions: Data can be downloaded via the World Wide Web (WWW) Fees: none Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: Portable Network Graphics (PNG) Format_Version_Number: none Format_Information_Content: WinZip file 2013_013_FA.zip contain seismic reflection profile images in PNG format, a browse graphic, and associated metadata from field activity 2013_014_FA. File_Decompression_Technique: WinZip (v. 14.0) Transfer_Size: 254 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2013_014_FA_SP.zip Access_Instructions: Data can be downloaded via the World Wide Web (WWW) Fees: none Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: Portable Network Graphics (PNG) Format_Version_Number: none Format_Information_Content: WinZip file 2013_030_FA.zip contain seismic reflection profile images in PNG format, a browse graphic, and associated metadata from field activity 2013_030_FA. File_Decompression_Technique: WinZip (v. 14.0) Transfer_Size: 198 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/ds/0937/downloads/hyperlink_images/seismic_profiles/2013_030_FA_SP.zip Access_Instructions: Data can be downloaded via the World Wide Web (WWW) Fees: none Technical_Prerequisites: These data can be viewed with any viewing software capable of viewing a Portable Network Graphics (PNG) file. Metadata_Reference_Information: Metadata_Date: 20240318 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brian Andrews Contact_Organization: U.S. Geological Survey Contact_Position: Geographer Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd. City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-548-8700 x2348 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov Contact_Instructions: The metadata contact email address is a generic address in the event the person is no longer with USGS. (updated on 20240318) Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time