Identification Information: 

      Citation: 

            Citation Information: 

                  Originator:  Seafloor Mapping Lab- California State University Monterey Bay

                  Publication Date:  Unpublished Material

                  Publication Time:  Unknown

                  Title:  HABITAT layer

                  Geospatial Data Presentation Form:  view

      Description: 

            Abstract:  This California continental shelf geologic data set represents the current state of knowledge about the distribution of seafloor substrate types for the entire California continental shelf.  The data series is comprised of seven adjacent, but discrete map sections. Boundaries of seafloor geology type are depicted as polygon themes.

            Purpose:  This project created digital GIS format versions of California continental shelf geology hardcopy maps originally produced by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. In addition, geologic and bathymetric data were interpreted further to produce polygons representing habitat boundaries.

            Supplemental Information:  Original data developed by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. The principle purpose of the original DMG/USGS/CCC study was to acquire and compile all readily available geologic data for the California continental margin in a standard format. These nondigital data were presented as paper planimetric map sheets (NOAA/NOS 1:250,000 scale). For the current project, original mylars used to produce the geologic map series were scanned, and the resulting rasters were cleaned, georeferenced (UTM Zone 10 or 11, WGS84), and vectorized using TNTmips GIS software. Vector polygons and lines were then attributed and exported in ArcView shapefile format. Data covers an area from Mexico north to Oregon and from the California coastline west to the edge of the continental margin.

      Time Period of Content: 

            Time Period Information: 

                  Multiple Dates/Times: 

                        Single Date/Time: 

                              Calendar Date:  3/31/2001

                        Single Date/Time: 

                              Calendar Date:  1987

            Currentness Reference:  publication date

      Status: 

            Progress:  Complete

            Maintenance and Update Frequency:  None planned

      Spatial Domain: 

            Bounding Coordinates: 

                  West Bounding Coordinate:  -118.00135

                  East Bounding Coordinate:  -117.09723

                  North Bounding Coordinate:  33.65872

                  South Bounding Coordinate:  32.27879

      Keywords: 

            Theme: 

                  Theme Keyword Thesaurus:  Geology Map Series Thesaurus

                  Theme Keyword:  geologic features

                  Theme Keyword:  marine

                  Theme Keyword:  GIS

                  Theme Keyword:  ephemeral

                  Theme Keyword:  structural

                  Theme Keyword:  habitat

                  Theme Keyword:  subsurface

                  Theme Keyword:  digital

                  Theme Keyword:  mapping

                  Theme Keyword:  symbology

                  Theme Keyword:  seafloor

      Access Constraints:  To be determined by the California Department of Fish and Game.

      Use Constraints:  To be determined by the California Department of Fish and Game.

      Point of Contact: 

            Contact Information: 

                  Contact Organization Primary: 

                        Contact Organization:  Center for Habitat Studies

                  Contact Address: 

                        Address Type:  mailing address

                        Address:  Moss Landing Marine Laboratories

                              8272 Moss Landing Rd.

                        City:  Moss Landing

                        State or Province:  California

                        Postal Code:  95039

                        Country:  USA

                  Contact Voice Telephone:  (831) 633-7268 (Habitat Studies)

                  Contact Facsimile Telephone:  (831) 633-7268 (Habitat Studies)

                  Contact Electronic Mail Address:  greene@mlml.calstate.edu

      Browse Graphic: 

      Data Set Credit:  Habitat data processed by the Center for Habitat Studies at Moss Landing Marine Laboratories.

Data Quality Information: 

      Lineage: 

            Process Step: 

                  Process Description:  Interpretation of the geology into habitat types was done in several steps.  First, all digital geologic units (polygons) were converted to gross habitat type polygons in ArcView 3.2a.  Second, these polygons were then printed out and checked for continuity and consistency with habitat descriptions.  Third, a symbology and codification for distinguishing habitat types was then developed.  Fourth, using codes, bathymetry, and the knowledge that some lithologic units as mapped on the California Continental Margin Map Series may not crop out everywhere on the sea floor where they are mapped, habitat boundaries were adjusted to give the most probably location and outline of the units.  Finally, the habitats and maps were checked for errors ("busts") to assure a seamless connection between map sheets and printed out as a final copy.

                        A code was written to easily distinguish each habitat type and to facilitate ease of use and queries in a GIS.  This code is based on the deep-water habitat characterization scheme developed by Greene et al. (1999).

                  Process Date:  3/31/01

                  Process Contact: 

                        Contact Information: 

                              Contact Person Primary: 

                                    Contact Person:  Joe Bizzarro

                                    Contact Organization:  Center for Habitat Studies

                              Contact Position:  GIS Manager, Geology Map Series Project Manager

                              Contact Address: 

                                    Address Type:  mailing and physical address

                                    Address:  Moss Landing Marine Laboratories

                                          8272 Moss Landing Rd.

                                    City:  Moss Landing

                                    State or Province:  California

                                    Postal Code:  95039

                                    Country:  USA

                              Contact Voice Telephone:  (831) 632-4419 (Ichthyology)

                                    (831) 633-7268 (Habitat Studies)

                              Contact Facsimile Telephone:  (831) 633-7268 (Habitat Studies)

                              Contact Electronic Mail Address:  jbizzarro@mlml.calstate.edu

      Cloud Cover:  0

Spatial Data Organization Information: 

      Indirect Spatial Reference:  California Continental Shelf

      Direct Spatial Reference Method:  Vector

      Point and Vector Object Information: 

            SDTS Terms Description: 

                  SDTS Point and Vector Object Type:  G-polygon

                  Point and Vector Object Count:  103

Spatial Reference Information: 

      Horizontal Coordinate System Definition: 

            Planar: 

                  Grid Coordinate System: 

                        Grid Coordinate System Name:  Universal Transverse Mercator 1983

                        Universal Transverse Mercator: 

                              UTM Zone Number:  11

                              Transverse Mercator: 

                                    Scale Factor at Central Meridian:  0.9996

                                    Longitude of Central Meridian:  -117

                                    Latitude of Projection Origin:  0

                                    False Easting:  500000

                                    False Northing:  0

                  Planar Coordinate Information: 

                        Planar Coordinate Encoding Method:  Coordinate Pair

                        Coordinate Representation: 

                              Abscissa Resolution:  0

                              Ordinate Resolution:  0

            Geodetic Model: 

                  Horizontal Datum Name:  WGS84

                  Ellipsoid Name:  WGS84

                  Semi-major Axis:  6378137

                  Denominator of Flattening Ratio:  298.257223563

Entity and Attribute Information: 

      Detailed Description: 

            Entity Type: 

                  Entity Type Label:  Captured

            Attribute: 

                  Attribute Label:  Bottom

                  Attribute Definition:  Short description of the bottom induration attributes

            Attribute: 

                  Attribute Label:  Bottom_id

                  Attribute Definition:  Second letter of habitat characterization code to designate the bottom induration. Attribute records for the field consist of, s, h, and m.

            Attribute: 

                  Attribute Label:  Geo_confid

                  Attribute Definition:  The level of confidence of the geoglogic unit. This will either be defined, questionabley defined, or unclassfied.

            Attribute: 

                  Attribute Label:  Geo_unit

                  Attribute Definition:  Geologic unit

            Attribute: 

                  Attribute Label:  Hab_confid

                  Attribute Definition:  The level of confidence of the habitat type. This will either be defined, questionabley define, or unclassfied.

            Attribute: 

                  Attribute Label:  Hab_type

                  Attribute Definition:  Habitat type. This consist of the sequence of habitat “id” s.

            Attribute: 

                  Attribute Label:  Mdfr

                  Attribute Definition:  Short description of the modifers.

            Attribute: 

                  Attribute Label:  Mdfr_id

                  Attribute Definition:  Third or fourth letter of the habitat characterization code to describe the texture bedform, biology, or rocky type and consists of _u, _c, _f, _m, _d, _v/g, _b, _h, _r, _s, and _a. Undersocore preceding the letter denotes subscript.

            Attribute: 

                  Attribute Label:  Mega

                  Attribute Definition:  Short description of the megahabitat attributes

            Attribute: 

                  Attribute Label:  Mega_id

                  Attribute Definition:  First letter of the habitat characterization code to designate the megahabitat type. Attibute records for this field consist of  S, F, A, P, B, R. These will be in capital case letters.

            Attribute: 

                  Attribute Label:  Mso_Mrc

                  Attribute Definition:  Short description of the mes- or macrohabitat types.

            Attribute: 

                  Attribute Label:  Mso_Mrc_id

                  Attribute Definition:  Third or absent (unclassified) letter of the habitat characteriztion code to designate the meso- or macrohabitat type. Attibute records for this field consist of  c, m, b, g, l, f, p/b, r, o, w, i, t, s, and e.

            Attribute: 

                  Attribute Label:  Shape

                  Attribute Definition:  Polygon

      Overview Description: 

            Entity and Attribute Overview:  The geologic map area themes (gma1-gma5, gma7) were used as templates in ArcView 3.2a to create habitat maps.  Polygons depicting geologic units were modified (joined with pre-existing units of different geologic type but the same habitat type, deleted when appropriate, and renamed based of Greene et al. (1999) interpretations.

            Entity and Attribute Detail Citation:  Greene et al. (1999)

Metadata Reference Information: 

      Metadata Date:  3/31/2001

      Metadata Review Date: 

      Metadata Future Review Date: 

      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, Geology Map Series Project 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:  2.0

      Metadata Access Constraints:  None

      Metadata Use Constraints:  None

      Metadata Security Information: 

            Metadata Security Classification:  Unclassified

 

______________________________________________________

                  Title:  GEOLOGY layer

                  Geospatial Data Presentation Form:  view

      Description: 

            Abstract:  This California continental shelf geologic data set represents the current state of knowledge about the distribution of seafloor substrate types for the entire California continental shelf.  The data series is comprised of seven adjacent, but discrete map sections. Boundaries of seafloor geology type are depicted as polygon themes.

            Purpose:  This project created digital GIS format versions of California continental shelf geology hardcopy maps originally produced by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. In addition, geologic and bathymetric data were interpreted further to produce polygons representing habitat boundaries.

            Supplemental Information:  Original data developed by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. The principle purpose of the original DMG/USGS/CCC study was to acquire and compile all readily available geologic data for the California continental margin in a standard format. These nondigital data were presented as paper planimetric map sheets (NOAA/NOS 1:250,000 scale). For the current project, original mylars used to produce the geologic map series were scanned, and the resulting rasters were cleaned, georeferenced (UTM Zone 10 or 11, WGS84), and vectorized using TNTmips GIS software. Vector polygons and lines were then attributed and exported in ArcView shapefile format. Data covers an area from Mexico north to Oregon and from the California coastline west to the edge of the continental margin.

      Time Period of Content: 

            Time Period Information: 

                  Multiple Dates/Times: 

                        Single Date/Time: 

                              Calendar Date:  3/31/2001

                        Single Date/Time: 

                              Calendar Date:  1987

            Currentness Reference:  publication date

      Status: 

            Progress:  Complete

            Maintenance and Update Frequency:  None planned

      Spatial Domain: 

            Bounding Coordinates: 

                  West Bounding Coordinate:  -118.00135

                  East Bounding Coordinate:  -117.09723

                  North Bounding Coordinate:  33.65872

                  South Bounding Coordinate:  32.27879

      Keywords: 

            Theme: 

                  Theme Keyword Thesaurus:  Geology Map Series Thesaurus

                  Theme Keyword:  geologic features

                  Theme Keyword:  marine

                  Theme Keyword:  GIS

                  Theme Keyword:  ephemeral

                  Theme Keyword:  structural

                  Theme Keyword:  habitat

                  Theme Keyword:  subsurface

                  Theme Keyword:  digital

                  Theme Keyword:  mapping

                  Theme Keyword:  symbology

                  Theme Keyword:  seafloor

      Access Constraints:  To be determined by the California Department of Fish and Game.

      Use Constraints:  To be determined by the California Department of Fish and Game.

      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

      Browse Graphic: 

      Data Set Credit:  Digital data processed by Seafloor Mapping Lab at California State University Monterey Bay, and the Center for Habitat Studies at Moss Landing Marine Laboratories. Original hardcopy data from Geology of the California Continental Margin: Geologic Map Series, by Kennedy, Greene, and Clark, 1987

Data Quality Information: 

      Lineage: 

            Source Information: 

                  Source Citation: 

                        Citation Information: 

                              Originator:  Kennedy, M.P., H.G. Greene, and S.H. Clark

                              Publication Date:  1987

                              Title:  Geology of the California Continental Margin: Geologic Map Series

                              Geospatial Data Presentation Form:  map

                              Series Information: 

                                    Series Name:  Bulletin 207

                              Publication Information: 

                                    Publication Place:  Sacramento, California

                                    Publisher:  California Department of Conservation

                  Source Time Period of Content: 

                        Source Currentness Reference:  publication date

                  Source Citation Abbreviation:  GCCM

            Process Step: 

                  Process Description:  Geologic features were rendered from archived mylar traces of the original mapping study (Kennedy et al 1987). Mylar sheet(s) were scanned and recorded as TIFF image(s). The image(s) was then imported into advanced image processing/analytical software (TNTmips®, MicroImages, Inc.) and run through a series of data conversions.

                       

                        Archive mylars were scanned using an adjusted black/white threshold mode to capture all lines. The raster image(s) was examined to detect any obvious distortions of the map and then saved in TIFF format. Using TNTmips® v 6.3 software (MicroImages, Inc), the unprojected TIFF was imported and georeferenced. Coordinates for the control points were taken from the hardcopy Geology Series map(s) grids. Raster to vector conversion (auto-trace function), vector edits (polygon smoothing, sliver polygon elimination, vertices adjustment), object attributing and export to ArcView® (ESRI) were performed within TNTmips®. Special attention was paid to processing lines of inferred contact. Geology and subsurface polygons, and structural (linework) features were extracted and saved to separate files. Feature merge, union, split, and edge-matching functions were performed in ArcView® v 3.2. Attribute tables were reviewed and updated following each of these processes.

                       

                        A workbook (avls.xls) was created in Microsoft Excel® 2000 (9.03821 SR-1) containing two worksheets; one for the geology themes and another for the subsurface (ephemeral) themes.  These worksheets contain an aggregate of all features on each of the geology (Areas 1-5, 7) and subsurface (Areas 1,2; 4-7) themes.  Using the Legend Editor in Arcview® 3.2a, colors and patterns were chosen for polygons depicting geologic and subsurface features to match those used in Kennedy et al. “Geology of the California Continental Margin” (USGS Bulletin 207 and Maps of Areas 1-7, sheets 1 of 4).  The patterns and colors chosen for each feature were included in the appropriate worksheet as was the presence or absence of each feature among the map areas (see avl.xls).  Using the avls.xls spreadsheets as a template, master avls were created for all geology and subsurface themes.  These master avls contain all features present in each map area (geomaster.avl and subsurface.avl). 

                       

                        For detailed procedures of data processing in TNTmips® v6.3 and ArcView® v3.2, please direct requests to the metadata coordinator.

                  Process Date:  3/31/01

                  Process Contact: 

                        Contact Information: 

                              Contact Person Primary: 

                                    Contact Person:  Matthew Johnson

                                    Contact Organization:  Seafloor Mapping Lab, California State University Monterey Bay

                              Contact Position:  GIS Analyst

                              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 Facsimile Telephone:  831-582-3073

                              Contact Electronic Mail Address:  matthew_johnson@monterey.edu

      Cloud Cover:  0

Spatial Data Organization Information: 

      Indirect Spatial Reference:  California Continental Shelf

      Direct Spatial Reference Method:  Vector

      Point and Vector Object Information: 

            SDTS Terms Description: 

                  SDTS Point and Vector Object Type:  G-polygon

                  Point and Vector Object Count:  105

Spatial Reference Information: 

      Horizontal Coordinate System Definition: 

            Planar: 

                  Grid Coordinate System: 

                        Grid Coordinate System Name:  Universal Transverse Mercator 1983

                        Universal Transverse Mercator: 

                              UTM Zone Number:  11

                              Transverse Mercator: 

                                    Scale Factor at Central Meridian:  0.9996

                                    Longitude of Central Meridian:  -117

                                    Latitude of Projection Origin:  0

                                    False Easting:  500000

                                    False Northing:  0

                  Planar Coordinate Information: 

                        Planar Coordinate Encoding Method:  Coordinate Pair

                        Coordinate Representation: 

                              Abscissa Resolution:  1

                              Ordinate Resolution:  1

                        Planar Distance Units:  m

            Geodetic Model: 

                  Horizontal Datum Name:  WGS84

                  Ellipsoid Name:  WGS84

                  Semi-major Axis:  6378137

                  Denominator of Flattening Ratio:  298.257223563

Entity and Attribute Information: 

      Detailed Description: 

            Entity Type: 

                  Entity Type Label:  Captured

            Attribute: 

                  Attribute Label:  GEO_UNIT

                  Attribute Definition:  Geologic bottom types using standard stratigraphic units and unit codes (North American Stratigraphic Code).

      Overview Description: 

            Entity and Attribute Overview:  Geologic bottom types using standard stratigraphic units and unit codes (North American Stratigraphic Code).

Metadata Reference Information: 

      Metadata Date:  3/31/2001

      Metadata Review Date: 

      Metadata Future Review Date: 

      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, Geology Map Series Project 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:  2.0

      Metadata Access Constraints:  None

      Metadata Use Constraints:  None

      Metadata Security Information: 

            Metadata Security Classification:  Unclassified

 

 

______________________________________________________

                  Title:  SUBSURFACE layer

Geospatial Data Presentation Form:  view

      Description: 

            Abstract:  This California continental shelf geologic data set represents the current state of knowledge about the distribution of seafloor substrate types for the entire California continental shelf.  The data series is comprised of seven adjacent, but discrete map sections. Boundaries of seafloor geology type are depicted as polygon themes.

            Purpose:  This project created digital GIS format versions of California continental shelf geology hardcopy maps originally produced by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. In addition, geologic and bathymetric data were interpreted further to produce polygons representing habitat boundaries.

            Supplemental Information:  Original data developed by the Division of Mines and Geology, the U.S. Geological Survey and the California Coastal Commission. The principle purpose of the original DMG/USGS/CCC study was to acquire and compile all readily available geologic data for the California continental margin in a standard format. These nondigital data were presented as paper planimetric map sheets (NOAA/NOS 1:250,000 scale). For the current project, original mylars used to produce the geologic map series were scanned, and the resulting rasters were cleaned, georeferenced (UTM Zone 10 or 11, WGS84), and vectorized using TNTmips GIS software. Vector polygons and lines were then attributed and exported in ArcView shapefile format. Data covers an area from Mexico north to Oregon and from the California coastline west to the edge of the continental margin.

      Time Period of Content: 

            Time Period Information: 

                  Multiple Dates/Times: 

                        Single Date/Time: 

                              Calendar Date:  3/31/2001

                        Single Date/Time: 

                              Calendar Date:  1987

            Currentness Reference:  publication date

      Status: 

            Progress:  Complete

            Maintenance and Update Frequency:  None planned

      Spatial Domain: 

            Bounding Coordinates: 

                  West Bounding Coordinate:  407207.593727542

                  East Bounding Coordinate:  180

                  North Bounding Coordinate:  90

                  South Bounding Coordinate:  3654393.74997754

      Keywords: 

            Theme: 

                  Theme Keyword Thesaurus:  Geology Map Series Thesaurus

                  Theme Keyword:  geologic features

                  Theme Keyword:  marine

                  Theme Keyword:  GIS

                  Theme Keyword:  ephemeral

                  Theme Keyword:  structural

                  Theme Keyword:  habitat

                  Theme Keyword:  subsurface

                  Theme Keyword:  digital

                  Theme Keyword:  mapping

                  Theme Keyword:  symbology

                  Theme Keyword:  seafloor

      Access Constraints:  To be determined by the California Department of Fish and Game.

      Use Constraints:  To be determined by the California Department of Fish and Game.

      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

      Browse Graphic: 

      Data Set Credit:  Digital data processed by Seafloor Mapping Lab at California State University Monterey Bay, and the Center for Habitat Studies at Moss Landing Marine Laboratories. Original hardcopy data from Geology of the California Continental Margin: Geologic Map Series, by Kennedy, Greene, and Clark, 1987

Data Quality Information: 

      Lineage: 

            Source Information: 

                  Source Citation: 

                        Citation Information: 

                              Originator:  Kennedy, M.P., H.G. Greene, and S.H. Clark

                              Publication Date:  1987

                              Title:  Geology of the California Continental Margin: Geologic Map Series

                              Geospatial Data Presentation Form:  map

                              Series Information: 

                                    Series Name:  Bulletin 207

                              Publication Information: 

                                    Publication Place:  Sacramento, California

                                    Publisher:  California Department of Conservation

                  Source Time Period of Content: 

                        Source Currentness Reference:  publication date

                  Source Citation Abbreviation:  GCCM

            Process Step: 

                  Process Description:  Subsurface (ephemeral) features were rendered from archived mylar traces of the original mapping study (Kennedy et al 1987). Mylar sheet(s) were scanned and recorded as TIFF image(s). The image(s) was then imported into advanced image processing/analytical software (TNTmips®, MicroImages, Inc.) and run through a series of data conversions.

                       

                        Archive mylars were scanned using an adjusted black/white threshold mode to capture all lines. The raster image(s) was examined to detect any obvious distortions of the map and then saved in TIFF format. Using TNTmips® v 6.3 software (MicroImages, Inc), the unprojected TIFF was imported and georeferenced. Coordinates for the control points were taken from the hardcopy Geology Series map(s) grids. Raster to vector conversion (auto-trace function), vector edits (polygon smoothing, sliver polygon elimination, vertices adjustment), object attributing and export to ArcView® (ESRI) were performed within TNTmips®. Special attention was paid to processing lines of inferred contact. Geology and subsurface polygons, and structural (linework) features were extracted and saved to separate files. Feature merge, union, split, and edge-matching functions were performed in ArcView® v 3.2. Attribute tables were reviewed and updated following each of these processes.

                       

                        A workbook (avls.xls) was created in Microsoft Excel® 2000 (9.03821 SR-1) containing two worksheets; one for the geology themes and another for the subsurface (ephemeral) themes.  These worksheets contain an aggregate of all features on each of the geology (Areas 1-5, 7) and subsurface (Areas 1,2; 4-7) themes.  Using the Legend Editor in Arcview® 3.2a, colors and patterns were chosen for polygons depicting geologic and subsurface features to match those used in Kennedy et al. “Geology of the California Continental Margin” (USGS Bulletin 207 and Maps of Areas 1-7, sheets 1 of 4).  The patterns and colors chosen for each feature were included in the appropriate worksheet as was the presence or absence of each feature among the map areas (see avl.xls).  Using the avls.xls spreadsheets as a template, master avls were created for all geology and subsurface themes.  These master avls contain all features present in each map area (geomaster.avl and subsurface.avl). 

                       

                        For detailed procedures of data processing in TNTmips® v6.3 and ArcView® v3.2, please direct requests to the metadata coordinator.

                  Process Date:  3/31/01

                  Process Contact: 

                        Contact Information: 

                              Contact Person Primary: 

                                    Contact Person:  Matthew Johnson

                                    Contact Organization:  Seafloor Mapping Lab, California State University Monterey Bay

                              Contact Position:  GIS Analyst

                              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 Facsimile Telephone:  831-582-3073

                              Contact Electronic Mail Address:  matthew_johnson@monterey.edu

      Cloud Cover:  0

Spatial Data Organization Information: 

      Indirect Spatial Reference:  California Continental Shelf

      Direct Spatial Reference Method:  Vector

      Point and Vector Object Information: 

            SDTS Terms Description: 

                  SDTS Point and Vector Object Type:  G-polygon

                  Point and Vector Object Count:  29

Spatial Reference Information: 

      Horizontal Coordinate System Definition: 

            Planar: 

                  Grid Coordinate System: 

                        Grid Coordinate System Name:  Universal Transverse Mercator 1983

                        Universal Transverse Mercator: 

                              UTM Zone Number:  11

                              Transverse Mercator: 

                                    Scale Factor at Central Meridian:  0.9996

                                    Longitude of Central Meridian:  -117

                                    Latitude of Projection Origin:  0

                                    False Easting:  500000

                                    False Northing:  0

                  Planar Coordinate Information: 

                        Planar Coordinate Encoding Method:  Coordinate Pair

                        Coordinate Representation: 

                              Abscissa Resolution:  0

                              Ordinate Resolution:  0

                        Planar Distance Units:  m

            Geodetic Model: 

                  Horizontal Datum Name:  WGS84

                  Ellipsoid Name:  WGS84

                  Semi-major Axis:  6378137

                  Denominator of Flattening Ratio:  298.257223563

Entity and Attribute Information: 

      Detailed Description: 

            Entity Type: 

                  Entity Type Label:  Captured

            Attribute: 

                  Attribute Label:  SUB_FEATURE

                  Attribute Definition:  Geologic channels, acoustic anomalies, deposits, and seep types using standard stratigraphic units and unit codes (North American Stratigraphic Code).

      Overview Description: 

            Entity and Attribute Overview:  Ephemeral feature names using standard stratigraphic units and unit codes (North American Stratigraphic Code).

Metadata Reference Information: 

      Metadata Date:  3/31/2001

      Metadata Review Date: 

      Metadata Future Review Date: 

      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, Geology Map Series Project 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