Metadata: Identification_Information: Citation: Citation_Information: Originator: Wayne Baldwin Publication_Date: 2016 Title: 1-m backscatter mosaic in Vineyard and western Nantucket Sounds produced from multiple sidescan-sonar datasets (GeoTIFF Image; UTM, Zone 19N, WGS 84) Edition: 1 Geospatial_Data_Presentation_Form: remote sensing image Series_Information: Series_Name: Open-File Report Issue_Identification: 2016-1119 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/ofr20161119 Online_Linkage: https://pubs.usgs.gov/of/2016/1119/ofr20161119_data_catalog.html Online_Linkage: https://pubs.usgs.gov/of/2016/1119/GIS_catalog/SourceData/backscatter/vns_bsmos_1m.zip Larger_Work_Citation: Citation_Information: Originator: Wayne E. Baldwin Originator: David S. Foster Originator: Elizabeth A. Pendleton Originator: Walter A. Barnhardt Originator: William C. Schwab Originator: Brian D. Andrews Originator: Seth D. Ackerman Publication_Date: 2016 Title: Shallow Geology, Sea-Floor Texture, and Physiographic Zones of Vineyard and western Nantucket Sounds, Massachusetts Edition: 1 Series_Information: Series_Name: Open-File Report Issue_Identification: 2016-1119 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://doi.org/10.3133/ofr20161119 Online_Linkage: https://pubs.usgs.gov/of/2016/1119/ Description: Abstract: Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles, high-resolution bathymetry, acoustic-backscatter intensity, bottom photographs, and surficial sediment samples. The interpretation of the seismic stratigraphy and mapping of glacial and Holocene marine units provided a foundation on which the surficial maps were created. This mapping is a result of a collaborative effort between the U.S. Geological Survey and the Massachusetts Office of Coastal Zone Management to characterize the surface and subsurface geologic framework offshore of Massachusetts. Purpose: This backscatter intensity mosaic was created as a single continuous image of the acoustic reflectivity of the sea floor of Vineyard and western Nantucket Sounds. Generally, higher backscatter values (light tones) represent rock, boulders, cobbles, gravel, and coarse sand. Lower values (dark tones) usually represent fine sand and muddy sediment. In this final form and at the input resolutions, these data helped define the sediment texture and distribution maps presented as interpretive data layers in USGS OFR 2016-1119. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20010101 Ending_Date: 20110831 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -71.034883 East_Bounding_Coordinate: -70.428524 North_Bounding_Coordinate: 41.541741 South_Bounding_Coordinate: 41.318511 Keywords: Theme: Theme_Keyword_Thesaurus: USGS Metadata Identifier Theme_Keyword: USGS:59991edf-a3d0-401b-a68a-065b9099d263 Theme: Theme_Keyword_Thesaurus: None 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: Massachusetts Office of Coastal Zone Management Theme_Keyword: CZM Theme_Keyword: backscatter Theme_Keyword: sidescan sonar Theme_Keyword: sidescan Theme_Keyword: GeoTIFF Theme_Keyword: mosaic Theme_Keyword: composite image Theme_Keyword: grey scale Theme_Keyword: U.S. Geological Survey Open-File Report 2006-1357 Theme_Keyword: U.S. Geological Survey Open-File Report 2008-1004 Theme_Keyword: U.S. Geological Survey Open-File Report 2009-1001 Theme_Keyword: U.S. Geological Survey Open-File Report 2011-1184 Theme_Keyword: U.S. Geological Survey Open-File Report 2012-1002 Theme_Keyword: U.S. Geological Survey Open-File Report 2012-1006 Theme_Keyword: U.S. Geological Survey Open-File Report 2013-1020 Theme_Keyword: Hydrographic Survey H11319 Theme_Keyword: Klein 3000 Theme_Keyword: Klein 5000 Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Category Theme_Keyword: oceans Theme_Keyword: geoscientificInformation Theme_Keyword: imageryBaseMapsEarthCover Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: sea-floor acoustic reflectivity Theme_Keyword: image mosaics Theme_Keyword: sidescan sonar Theme_Keyword: marine geophysics Theme_Keyword: geospatial datasets Place: Place_Keyword_Thesaurus: None Place_Keyword: Vineyard Sound Place_Keyword: Nantucket Sound Place_Keyword: Atlantic Ocean Place_Keyword: Cape Cod Place_Keyword: Succonnesset Point Place_Keyword: Falmouth Place_Keyword: Woods Hole Place_Keyword: Gosnold Place_Keyword: Elizabeth Islands Place_Keyword: Nonamesset Island Place_Keyword: Naushon Island Place_Keyword: Pasque Island Place_Keyword: Nashawena Island Place_Keyword: Cuttyhunk Island Place_Keyword: Martha's Vineyard Place_Keyword: Aquinnah Place_Keyword: Menemsha Place_Keyword: Vineyard Haven Place_Keyword: Oak Bluffs Place_Keyword: Edgartown Place_Keyword: Cape Poge Place_Keyword: Lucas Shoal Place_Keyword: Middle Ground Shoal Place_Keyword: L'Hommedieu Shoal Place_Keyword: Succonnesset Shoal Place_Keyword: Hedge Fence Shoal Place_Keyword: Squash Meadow Shoal Stratum: Stratum_Keyword_Thesaurus: None Stratum_Keyword: Sea floor 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 (USGS) as the source of this information. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Wayne Baldwin Contact_Organization: U.S. Geological Survey Contact_Position: Geologist 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 x2226 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: wbaldwin@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: https://pubs.usgs.gov/of/2016/1119/GIS_catalog/SourceData/backscatter/vns_bsmos_1m.png Browse_Graphic_File_Description: Composite backscatter mosaic image Browse_Graphic_File_Type: PNG Native_Data_Set_Environment: Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.4095 Cross_Reference: Citation_Information: Originator: U.S. Geological Survey Publication_Date: 2013 Title: Geologic Mapping of the Seafloor Offshore of Massachusetts Publication_Information: Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Other_Citation_Details: Geologic mapping of the Massachusetts inner continental shelf is a cooperative effort that was initiated in 2003 by the U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM). The National Oceanic and Atmospheric Administration (NOAA-NOS) is also an important partner and contributes hydrographic data that are integrated into the maps. The overall goal of this cooperative is to determine the geologic framework of the sea floor inside the 3-mile limit of State waters, using high-resolution geophysical techniques, sediment sampling, and sea-floor photography. These topographic and bathymetric source data related to the composite backscatter image are cited in detail in the source citation section of this metadata file. Online_Linkage: https://woodshole.er.usgs.gov/project-pages/coastal_mass/ Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Image pixel values contain acoustic reflectivity values normalized to an 8-bit data range (0-255). Low-backscatter is represented by dark tones (low values) and high-backscatter is represented by bright tones (high values). Logical_Consistency_Report: This backscatter mosaic was created from several backscatter datasets that were processed and published as TIFF images (see Source Information for the individual input images). The source images were enhanced by stretching and color balancing, then the individual images were combined to create a seamless backscatter mosaic. You can download the source data listed in the source contributions. Completeness_Report: This mosaic includes sidescan sonar backscatter data collected during several cruises in Vineyard and western Nantucket Sounds. The input mosaics can be viewed by visiting the websites listed in the source information. Not all of the sources used to create the composite bathymetry grid (vns10m_navd88) were used for the backscatter mosaic. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: The horizontal accuracy of sidescan sonar backscatter is assumed to be 10 meters according to the reports from which the input data were obtained. The mosaicking process in PCI used to combine all the source backscatter mosaics could introduce additional horizontal errors. This composite backscatter intensity mosaic is assumed to be horizontally accurate to within 50-meters, as additional errors could have been introduced during resampling, horizontal projections, and mosaicking within PCI. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Poppe, L.J. Originator: Ackerman, S.D. Originator: Foster, D.S. Originator: Blackwood, D.S. Originator: Butman, B. Originator: Moser, M.S. Originator: Stewart, H.F. Publication_Date: 2007 Title: Sea-floor character and surface processes in the vicinity of Quicks Hole, Elizabeth Islands, Massachusetts Series_Information: Series_Name: Open-File Report Issue_Identification: 2006-1357 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2006/1357/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20040810 Ending_Date: 20050617 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Poppe and others, 2007 Source_Contribution: This publication provides the source multibeam bathymetry for the Quicks Hole area. Two 29-foot launches deployed from the NOAA Ship Thomas Jefferson were used to acquire bathymetric and backscatter data during 2004. The multibeam bathymetric data were collected with hull-mounted 455-kHz RESON 8125 and 240-kHz RESON 8101 systems. The sidescan-sonar data were acquired with a hull-mounted Klein 5250 system operating at 100 kHz. Sediment samples and bottom photos were collected aboard the R/V Rafael with a modified Van Veen grab sampler and SEABOSS, respectively. Source_Information: Source_Citation: Citation_Information: Originator: Poppe, L.J. Originator: McMullen, K.Y. Originator: Foster, D.S. Originator: Blackwood, D.S. Originator: Williams, S.J. Originator: Ackerman, S.D. Originator: Moser, M.S. Originator: Glomb, K.A. Publication_Date: 2010 Title: Geological interpretation of the sea floor offshore of Edgartown, Massachusetts Series_Information: Series_Name: Open-File Report Issue_Identification: 2009-1001 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2009/1001/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20040814 Ending_Date: 20080909 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Poppe and others, 2010 Source_Contribution: This publication provides the source geophysical (backscatter and bathymetry) and bottom photographs and sediment samples in the vicinity of Edgartown. Two 29-foot launches deployed from the NOAA Ship Thomas Jefferson were used to acquire bathymetric and backscatter data during 2004. The multibeam bathymetric data were collected with hull-mounted 455-kHz RESON 8125 and 240-kHz RESON 8101 systems. The sidescan-sonar data were acquired with a hull-mounted Klein 5250 system operating at 100 kHz. Sediment samples and bottom photos were collected aboard the R/V Rafael with a modified Van Veen grab sampler and SEABOSS, respectively. Source_Information: Source_Citation: Citation_Information: Originator: Pendleton, E.A. Originator: Twichell, D.C. Originator: Foster, D.S. Originator: Worley, C.R Originator: Irwin, B.J. Originator: Danforth, W.W. Publication_Date: 2012 Title: High-resolution geophysical data from the sea floor surrounding the Western Elizabeth Islands, Massachusetts Series_Information: Series_Name: Open-File Report Issue_Identification: 2011-1184 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2011/1184/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20100909 Ending_Date: 20100918 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Pendleton and others, 2012 Source_Contribution: This report provided swath bathymetry for the area of Vineyard Sound surrounding the western Elizabeth Islands. Surveying was conducted aboard the RV Rafael in September 2010. Interferometric-sonar, sidescan-sonar, and chirp seismic-reflection systems were deployed simultaneously during the cruise. Bathymetric sounding data were collected with an SEA SWATHplus 234-kilohertz (kHz) interferometric sonar system. Sidescan-sonar (acoustic-backscatter) data were acquired with a Klein 3000 dual-frequency (100 and 500 kHz) sidescan-sonar system. Source_Information: Source_Citation: Citation_Information: Originator: Andrews, B.D. Originator: Ackerman, S.D. Originator: Baldwin, W.E. Originator: Foster, D.S. Originator: Schwab, W.C. Publication_Date: 2014 Title: High-Resolution Geophysical Data from the Inner Continental Shelf: Vineyard Sound, Massachusetts Edition: 2 Series_Information: Series_Name: Open-File Report Issue_Identification: 2012-1006 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2012/1006/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20090528 Ending_Date: 20110517 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Andrews and others, 2014 Source_Contribution: This report provided swath bathymetry for Vineyard and western Nantucket Sounds. The mapping was conducted during research cruises aboard the Megan T. Miller (2009 and 2010) and the Scarlett Isabella (2011). Bathymetric data were acquired using a Systems Engineering and Assessment, Ltd. (SEA) SWATHplus-M 234-kilohertz (kHz) interferometric sonar system; acoustic backscatter data were collected with a Klein 3000 dual-frequency sidescan-sonar (132 and 445 kHz). Source_Information: Source_Citation: Citation_Information: Originator: Pendleton, E.A. Originator: Andrews, B.D. Originator: Danforth, W.W. Originator: Foster, D.S. Publication_Date: 2014 Title: High-resolution geophysical data collected aboard the U.S. Geological Survey research vessel Rafael to supplement existing datasets from Buzzards Bay and Vineyard Sound, Massachusetts Series_Information: Series_Name: Open-File Report Issue_Identification: 2013-1020 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2013/1020/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20071005 Ending_Date: 20110413 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Pendleton and others, 2014 Source_Contribution: This report provided swath bathymetry and acoustic backscatter for shallow zones along the nearshore and across Middle Ground, L'Hommediue, Hedge Fence, and Squash Meadow shoals within Vineyard and western Nantucket Sounds. These areas were surveyed with the RV Rafael in 2011. Swath bathymetry and backscatter data were collected with an SEA SWATHplus 234-kilohertz (kHz) interferometric sonar system. Towed sidescan sonar acoustic-backscatter data were acquired with a Klein 3000 dual-frequency (100 and 500 kHz) sidescan-sonar system. Source_Information: Source_Citation: Citation_Information: Originator: Poppe, L.J. Originator: McMullen, K.Y. Originator: Foster, D.S. Originator: Blackwood, D.S. Originator: Williams, S.J. Originator: Ackerman, S.D. Originator: Barnum, S.R. Originator: Brennan, R.T. Publication_Date: 2008 Title: Sea-floor character and sedimentary processes in the vicinity of Woods Hole, Massachusetts Edition: 1.0 Geospatial_Data_Presentation_Form: raster digital data Series_Information: Series_Name: Open File Report Issue_Identification: 2008-1004 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: https://pubs.usgs.gov/of/2008/1004/ Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 20010101 Ending_Date: 20071119 Source_Currentness_Reference: ground condition Source_Citation_Abbreviation: Poppe and others, 2008 Source_Contribution: This publication provides multibeam bathymetry for Woods Hole. Two 29-foot launches deployed from the NOAA Ship Whiting were used to acquire bathymetric and backscatter data during 2001. The bathymetric data were collected with a hull-mounted 240-kHz RESON 8101 shallow-water system aboard launch 1005. The sidescan-sonar data were acquired with a hull-mounted Klein T-5000 system operating at 455 kHz aboard launch 1014. Process_Step: Process_Description: Collected the input datasets: All the backscatter images came from USGS Open File Reports: USGS OFR 2012-1006 - vs_backscatter_1m.tif USGS OFR 2011-1184 - 2010-003-FA_SSmosaic_MVSound.tif, 2010-003-FA_SSmosaic_Penikese.tif USGS OFR 2006-1357 - h11076_utm19_1mrsss.tif USGS OFR 2008-1004 - h11077_sss100_utm.19.tif USGS OFR 2009-1001 - h11364_2msss_utm19.tif USGS OFR 2013-1020 - Klein_2011-013_1m.tif, Swath_1m.tif Source_Used_Citation_Abbreviation: Pope and others, 2007; Poppe and others, 2008; Poppe and others, 2010; Pendleton and others, 2012; Andrews and others, 2012; Pendleton and others, 2014 Process_Date: 2013 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Elizabeth A. Pendleton Contact_Organization: U.S. Geological Survey Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: U.S. Geological Survey Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-5488700 x2259 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: ependleton@usgs.gov Process_Step: Process_Description: All of the input images were loaded into PCI Geomatica 2013 OrthoEngine (version 2013 SP2 2013-6-10) and mosaicked into a composite backscatter GeoTIFF (BuzzBay_mosaic1m.tif). The brightness levels were adjusted within PCI Geomatica OrthoEngine using the color balance tool on the final mosaic backscatter GeoTIFF image. Source_Used_Citation_Abbreviation: All input tiff mosaics Process_Date: 2013 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Elizabeth A. Pendleton Contact_Organization: U.S. Geological Survey Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: U.S. Geological Survey Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: 508-5488700 x2259 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: ependleton@usgs.gov Process_Step: Process_Description: The final mosaic backscatter GeoTIFF image was clipped in ArcGIS (9.3.1) using a polygon feature class to remove portions of the input data within Buzzards Bay (ArcToolbox > Data Management Tools > Clip (with output extent set to polygon feature and use input features for Clipping Geometry checked)). Source_Used_Citation_Abbreviation: final composite mosaic and polygon outline of final mosaic extent Process_Date: 2014 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Wayne Baldwin Contact_Organization: U.S. Geological Survey Contact_Position: Geologist 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 x2226 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: wbaldwin@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: Fixed a broken link and added the DOI link. Process_Date: 20190130 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 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Raster Raster_Object_Information: Raster_Object_Type: Pixel Row_Count: 23790 Column_Count: 50210 Vertical_Count: 1 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 19 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.999600 Longitude_of_Central_Meridian: -69.000000 Latitude_of_Projection_Origin: 0.000000 False_Easting: 500000.000000 False_Northing: 0.000000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: row and column Coordinate_Representation: Abscissa_Resolution: 1.000000 Ordinate_Resolution: 1.000000 Planar_Distance_Units: meters Geodetic_Model: Horizontal_Datum_Name: D_WGS_1984 Ellipsoid_Name: WGS_1984 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257224 Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: There are no attributes associated with this 8-bit GeoTIFF image. Image pixel values contain acoustic reflectivity values normalized to an 8-bit data range (0-255) with the data range 0-254 and 255 being no data. Although most of the small slivers and data gaps within the mosaic have a value of 254. Low-backscatter is represented by dark tones (low values) and high-backscatter is represented by bright tones (high values). Entity_and_Attribute_Detail_Citation: U.S. Geological Survey Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Wayne Baldwin Contact_Organization: U.S. Geological Survey Contact_Position: Geologist 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 x2226 Contact_Facsimile_Telephone: 508-457-2310 Contact_Electronic_Mail_Address: wbaldwin@usgs.gov Resource_Description: vns_bsmos_1m.zip from USGS Open File report 2016-1119. WinZip v. 14.5 file contains a GeoTIFF image with a world file (and associated metadata) of backscatter data collected in Vineyard and western Nantucket Sounds. 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 U.S. Geological Survey 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: GeoTIFF Format_Version_Number: 1.0 Format_Specification: GeoTIFF image Format_Information_Content: This WinZip v. 14.5 file contains a GeoTIFF image with a world file (and associated metadata) of backscatter data collected in Vineyard and western Nantucket Sounds File_Decompression_Technique: WinZip or pkUnzip Transfer_Size: 307.5 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: https://pubs.usgs.gov/of/2016/1119/GIS_catalog/SourceData/backscatter/vns_bsmos_1m.zip Network_Resource_Name: https://pubs.usgs.gov/of/2016/1119/ofr20161119_data_catalog.html Access_Instructions: Data can be downloaded via the World Wide Web (WWW) Fees: None Technical_Prerequisites: The image contained in the zip file is available as a GeoTIFF with a world file. To utilize this data, the user must have an image viewer, or an image processing or GIS software package capable of importing a TIFF image. Metadata_Reference_Information: Metadata_Date: 20240318 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Wayne Baldwin Contact_Organization: U.S. Geological Survey Contact_Position: Geologist 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 x2226 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 Metadata_Access_Constraints: None Metadata_Use_Constraints: None