Identification_Information:

  Citation:  Point Cabrillo Side Scan Sonar- Seafloor Mapping Lab, California State University Monterey Bay

      Title: PCsssmosaiclit.tif

      Geospatial_Data_Presentation_Form: remote-sensing image

    

  Description:

    Abstract: Information produced from this project contributes new seafloor images and maps that will be used to assess regional geology and characterize habitats critical to fisheries management and planning of Marine Protected Areas (MPAs), as required by Federal mandates stated in the Magnunson-Stevens Fishery Conservation and Management Act and Sustainable Fisheries Act. Seafloor mapping effort was focused on priority areas outlined by multi-agency participants of the California Marine Habitat Task Force (CMHTF) Strategic Planning Meeting (1/20-21/2000).

 

    Purpose: These data are presented as part of a program objective to identify, quantify and synthesize existing information critical to the understanding of the linkage between fisheries and habitats. Before regional exploration and site specific studies are undertake in regard to Essential Fish Habitats (EFH), all possible data that can be used to characterize substrate of EFH should be examined and, where possible, used to delineate habitat. To complete this goal we identified, catalogued, digitized, re-interpreted, and archived proprietary industry data including side scan sonar mosaics, subbottom seismic profiles and bathymetry not previously available to the general scientific community for the purpose of providing critical marine habitat maps of the California margin. In areas where industry data did not overlap the recommendations of the CMHFT, the CSUMB state-of-the-art seafloor mapping facility acquired and processed new data.

 

    Supplemental_Information: Data Acquisition: Bathymetric and backscatter (sidescan) data were collected aboard the R/V MacGinnite using a Reson 8101 multibeam echosounder. Differential GPS (DGPS) position data were generated by a Trimble 4700 GPS with differential corrections provided by a Trimble ProBeacon receiver. A TSS HDMS heading and motion sensor provided heave, pitch, heading, and roll data. Coastal Oceanographics Hypack software was used for survey design and execution. All raw data were logged using a Triton-Elics International (TEI) Isis data acquisition system. Water column sound velocity  profiles collected using an AML SV+ sound velocity profiler.

 

  Time_Period_of_Content:

    Time_Period_Information:

      Single_Date/Time:

        Calendar_Date: 05/08/01

        Time_of_Day: unknown

    Currentness_Reference: ground condition

  Status:

    Progress: Complete

    Maintenance_and_Update_Frequency: None planned

  Spatial_Domain:

    Bounding_Coordinates:

      West_Bounding_Coordinate: -123.843973

      East_Bounding_Coordinate: -123.818536

      North_Bounding_Coordinate: 39.374150

      South_Bounding_Coordinate: 39.328952

  In projected or local coordinates: 

      Left_Bounding_Coordinate:  427304.62

      Right_Bounding_Coordinate:  429450.62

      Top_Bounding_Coordinate:  4358617.65

      Bottom_Bounding_Coordinate:  4353620.85

  Keywords:

    Theme:

      Theme_Keyword_Thesaurus: Multibeam Projects

      Theme_Keyword: Backscatter

      Theme_Keyword: Multibeam

      Theme_Keyword: Bathymetry

      Theme_Keyword: Habitat

      Theme_Keyword: Seafloor

      Theme_Keyword: Sidescan sonar

      Theme_Keyword: GeoTiff

      Theme_Keyword: Contour

      Theme_Keyword: Slope

      Theme_Keyword: Hydrographic

      Theme_Keyword: Sound velocity

      Theme_Keyword: GPS

  Access_Constraints: To be determined by the Seafloor Mapping Lab at California State University Monterey Bay and contractor.

  Use_Constraints: To be determined by the Seafloor Mapping Lab at California State University Monterey Bay and contractor.

  Point_of_Contact:

    Contact_Information:

      Contact_Organization_Primary:

        Contact_Organization: Seafloor Mapping Lab, California State University Monterey Bay

      Contact_Address:

        Address_Type: mailing address

        Address: California State University Monterey Bay, Institute for Earth Systems Science and Policy,100 Campus Center, Bldg 46A

        City: Seaside

        State_or_Province: California

        Postal_Code: 93955

        Country: USA

      Contact_Voice_Telephone: (831) 582-3529

      Contact_Facsimile_Telephone: (831) 582-3073

      Contact_Electronic_Mail_Address: rikk_kvitek@monterey.edu

  Data_Set_Credit: Digital data processed by Seafloor Mapping Lab at California State University Monterey Bay

  Native_Data_Set_Environment: Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.2.0.700

Data_Quality_Information:

  Lineage:

    Process_Step:

      Process_Description: Digital processing and mosaicking of sidescan data was accomplished using the Isis Sonar and Delph Map software packages (Triton-Elics International, Watsonville, CA) and TNT Mips GIS software (Microimages, Inc., Lincoln, NE). Individual trackline files were replayed and bottom tracking of the sonar was supervised to aid in proper slant-range correction. Line files were snipped to remove portions with poor imagery from the beginning and/or end of the trackline. Tracklines were the slant-range and layback corrected and the position data for each line was smoothed using a speed filter. Each line was then gridded, georeferenced and exported from Isis Sonar/Delph Map in GeoTIFF format (0.20m pixel size, UTM Zone 10 or 11, WGS84). Individual trackline Tiff images were imported into TNT Mips GIS software and areas of poor image quality were extracted and removed. Individual tracklines were then overlaid to produce a mosaic image. Geotiffs were exported from TNT Mips at 0.20m resolution.

      Process_Date: 7/31/02

      Process_Contact:

        Contact_Information:

          Contact_Person_Primary:

            Contact_Person: Pat Iampietro

            Contact_Organization: Seafloor Mapping Lab, California State University Monterey Bay

          Contact_Position: Project Manager, Chief Hydrographer

          Contact_Address:

            Address_Type: mailing and physical address

            Address: California State University Monterey Bay, Institute for Earth Systems Science and Policy,100 Campus Center, Bldg 46A

            City: Seaside

            State_or_Province: California

            Postal_Code: 93955

            Country: USA

          Contact_Voice_Telephone: (831) 582-4214

          Contact_Facsimile_Telephone: (831) 582-3073

          Contact_Electronic_Mail_Address: pat_iampietro@monterey.edu

    Process_Step:

      Process_Description: Metadata imported.

      Source_Used_Citation_Abbreviation: C:\DOCUME~1\carrie\LOCALS~1\Temp\xml17D.tmp

  Cloud_Cover: 0

Spatial_Data_Organization_Information:

  Direct_Spatial_Reference_Method: Raster

  Raster_Object_Information:

    Raster_Object_Type: Pixel

    Row_Count: 24983

    Column_Count: 10730

    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: 10

          Transverse_Mercator:

            Scale_Factor_at_Central_Meridian: 0.999600

            Longitude_of_Central_Meridian: -123.000000

            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: 0.200000

          Ordinate_Resolution: 0.200008

        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

Metadata_Reference_Information:

  Metadata_Date: 20020908

  Metadata_Contact:

    Contact_Information:

      Contact_Person_Primary:

        Contact_Person: Carrie Bretz

        Contact_Organization: Seafloor Mapping Lab, California State University Monterey Bay

      Contact_Position: GIS Analyst and Metadata Manager

      Contact_Address:

        Address_Type: mailing and physical address

        Address: California State University Monterey Bay, Institute for Earth Systems Science and Policy,100 Campus Center, Bldg 46A

        City: Seaside

        State_or_Province: CA

        Postal_Code: 93955

        Country: USA

      Contact_Voice_Telephone: 831-582-4197

      Contact_Facsimile_Telephone: 831-582-3073

      Contact_Electronic_Mail_Address: carrie_bretz@monterey.edu

  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

  Metadata_Security_Information:

    Metadata_Security_Classification: Unclassified

  Metadata_Extensions:

    Online_Linkage: http://www.esri.com/metadata/esriprof80.html

    Profile_Name: ESRI Metadata Profile