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video_obs -- point coverage of assorted visual observations of benthic habitat from video sled camera.

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Frequently-anticipated questions:

What does this data set describe?

Title:
video_obs -- point coverage of assorted visual observations of benthic habitat from video sled camera.
Abstract:
Point based visual observations of benthic habitat from a samples obtained with a video sled.

Supplemental_Information:
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in ArcInfo format, this metadata file may include some ArcInfo-specific terminology.

  1. How should this data set be cited?

    Cochrane, Guy R. , 2007, video_obs -- point coverage of assorted visual observations of benthic habitat from video sled camera.: Open-File Report 2007-1271, U.S. Geological Survey, Santa Cruz, CA.

    Online Links:

    This is part of the following larger work.

    Cochrane, Guy R. , Golden, Nadine, Dartnell, Pete, Schroeder, Donna, Conrad, Jamie, and Stevenson, Andy, 2007, Seafloor Mapping and Benthic Habitat GIS for Southern California, Volume III.

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -119.642053
    East_Bounding_Coordinate: -119.475472
    North_Bounding_Coordinate: 34.388010
    South_Bounding_Coordinate: 34.325230

  3. What does it look like?

    images/video_obs.jpg (JPEG)
    Image showing coverage of assorted visual observations of benthic habitat from video.

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 08-Aug-2005
    Ending_Date: 27-Aug-2005
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: map

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Point (961)

    2. What coordinate system is used to represent geographic features?

      The map projection used is WGS_1984_UTM_Zone_10N.

      Projection parameters:
      Straight-Vertical_Longitude_from_Pole: -123
      Standard_Parallel: 0.999600
      False_Easting: 500000.000
      False_Northing: 0.000

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.000032
      Ordinates (y-coordinates) are specified to the nearest 0.000032
      Planar coordinates are specified in meters

      The horizontal datum used is World Geodetic System of 1984.
      The ellipsoid used is World Geodetic System 0f 1984.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.2572222.

  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview: 

    FID
  Alias: FID
  Data type: OID
  Width: 4
  Precision: 0
  Scale: 0
  Definition: Internal feature number.
  Definition Source: ESRI

Shape
  Alias: Shape
  Data type: Geometry
  Width: 0
  Precision: 0
  Scale: 0
  Definition: Feature geometry.
  Definition Source: ESRI

UserCommen
  Alias: UserCommen
  Data type: String
  Width: 254

VehicleNam
  Alias: VehicleNam
  Data type: Number
  Width: 10

UTC
  Alias: UTC
  Data type: String
  Width: 254

LAT
  Alias: LAT
  Data type: Number
  Width: 19
  Number of decimals: 11

LON
  Alias: LON
  Data type: Number
  Width: 19
  Number of decimals: 11

DEP
  Alias: DEP
  Data type: Number
  Width: 19
  Number of decimals: 11

ALT
  Alias: ALT
  Data type: Number
  Width: 19
  Number of decimals: 11

HED
  Alias: HED
  Data type: Number
  Width: 19
  Number of decimals: 11

TMG
  Alias: TMG
  Data type: Number
  Width: 19
  Number of decimals: 11

SOG
  Alias: SOG
  Data type: Number
  Width: 19
  Number of decimals: 11

PrimSubstr
  Alias: PrimSubstr
  Data type: String
  Width: 254

SecndSubst
  Alias: SecndSubst
  Data type: String
  Width: 254

Req3
  Alias: Req3
  Data type: Number
  Width: 10

Req4
  Alias: Req4
  Data type: String
  Width: 254

Req5
  Alias: Req5
  Data type: String
  Width: 254

algae
  Alias: algae
  Data type: Number
  Width: 10

anemone
  Alias: anemone
  Data type: Number
  Width: 10

bivalve
  Alias: bivalve
  Data type: Number
  Width: 10

brittle_st
  Alias: brittle_st
  Data type: Number
  Width: 10

crustacean
  Alias: crustacean
  Data type: Number
  Width: 10

cup_coral
  Alias: cup_coral
  Data type: Number
  Width: 10

driftweed
  Alias: driftweed
  Data type: Number
  Width: 10

fishing_ge
  Alias: fishing_ge
  Data type: Number
  Width: 10

fishing_tr
  Alias: fishing_tr
  Data type: Number
  Width: 10

flatfish
  Alias: flatfish
  Data type: Number
  Width: 10

gastropod
  Alias: gastropod
  Data type: Number
  Width: 10

gorgonian
  Alias: gorgonian
  Data type: Number
  Width: 10

hole
  Alias: hole
  Data type: Number
  Width: 10

hydrozoan
  Alias: hydrozoan
  Data type: Number
  Width: 10

interface
  Alias: interface
  Data type: Number
  Width: 10

kelp
  Alias: kelp
  Data type: Number
  Width: 10

mound
  Alias: mound
  Data type: Number
  Width: 10

octopus
  Alias: octopus
  Data type: Number
  Width: 10

other_fish
  Alias: other_fish
  Data type: Number
  Width: 10

rockfish
  Alias: rockfish
  Data type: Number
  Width: 10

rubble
  Alias: rubble
  Data type: Number
  Width: 10

scour
  Alias: scour
  Data type: Number
  Width: 10

sea_cucumb
  Alias: sea_cucumb
  Data type: Number
  Width: 10

sea_hare
  Alias: sea_hare
  Data type: Number
  Width: 10

sea_pen
  Alias: sea_pen
  Data type: Number
  Width: 10

sea_star
  Alias: sea_star
  Data type: Number
  Width: 10

sea_whip
  Alias: sea_whip
  Data type: Number
  Width: 10

sediment_r
  Alias: sediment_r
  Data type: Number
  Width: 10

sediment_w
  Alias: sediment_w
  Data type: Number
  Width: 10

sheep_head
  Alias: sheep_head
  Data type: Number
  Width: 10

sponge
  Alias: sponge
  Data type: Number
  Width: 10

tracks
  Alias: tracks
  Data type: Number
  Width: 10

tube_worm
  Alias: tube_worm
  Data type: Number
  Width: 10

urchin
  Alias: urchin
  Data type: Number
  Width: 10

white_urch
  Alias: white_urch
  Data type: Number
  Width: 10

worm_tube
  Alias: worm_tube
  Data type: Number
  Width: 10

F52
  Alias: F52
  Data type: Number
  Width: 10

Date_
  Alias: Date_
  Data type: String
  Width: 15
    Entity_and_Attribute_Detail_Citation: none

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    The authors would like to thank , Jamie Conrad, Hank Chezar and Andy Stevenson of the USGS Western Region Coastal and Marine Geology Program (in Santa Cruz and Menlo Park, CA) for field support and equipment support. Larry Kooker, Mike Boyle, Gerry Hatcher, and Dave Hogg at the USGS Marine Facility (Redwood City, CA) contributed field support and logistical support. The R/V Shearwater was skippered by Terrence Shinn & Luman Moody.

  3. To whom should users address questions about the data?

    Guy R. Cochrane
    U.S. Geological Survey, Coastal and Marine Geology
    Geophysicist
    USGS Pacific Science Center, 400 Natural Bridges Drive
    Santa Cruz, CA 95060-5792
    USA

    (831) 427-4754 (voice)
    (831) 427-4748 (FAX)
    gcochrane@usgs.gov

Why was the data set created?

These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information.

How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: 2007 (process 1 of 1)
    Please see the Methods section of <http://pubs.usgs.gov/of/2007/1271/> for an explanation of the events and related parameters or tolerances.

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey, Coastal and Marine Geology Program, 2007, InfoBank.

    Online Links:

    Guy Cochrane, U.S. Geological Survey, Coastal and , 200510, Sonar Survey of Sea-Floor Habitats Southeast of Santa Barbara, California in Sound Waves Monthly Newsletter, Coastal Science & Research News from Across the USGS.

    Online Links:

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Visual observations of variable unknown accuracy

  2. How accurate are the geographic locations?

    Highly variable on the order of 10 meters.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    Observations made without uniform protocol.

  5. How consistent are the relationships among the observations, including topology?

    Point features present.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints:
Public domain data from the U.S. government is freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information.

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey, Coastal and Marine Geology
    c/o Guy R. Cochrane
    Geophysicist
    USGS Pacific Science Center, 400 Natural Bridges Drive
    Santa Cruz, CA 95060-5792
    USA

    (831) 427-4754 (voice)
    (831) 427-4748 (FAX)
    gcochrane@usgs.gov

  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    Although this data set has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. 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.

  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 11-Jul-2007
Metadata author:
U.S. Geological Survey, Coastal and Marine Geology
c/o Nadine Golden
Geographer
USGS Pacific Science Center, 400 Natural Bridges Drive
Santa Cruz, CA 95060-5792
USA

(831) 427-4730 (voice)
(831) 427-4748 (FAX)
ngolden@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

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URL: http://pubs.usgs.gov/of/2007/1271/
Maintained by: Mike Diggles
Page last modified and
Generated by mp version 2.8.11 on Thu Jul 12 09:56:42 2007