Artificial Reefs in US waters as of September 2012

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Frequently anticipated questions:


What does this data set describe?

Title: Artificial Reefs in US waters as of September 2012
Abstract:
An artificial reef is a human-made underwater structure, typically built to promote marine life in areas with a generally featureless bottom, control erosion, block ship passage, or improve surfing. Many reefs are built using objects that were built for other purposes, for example by sinking oil rigs (through the Rigs-to-Reefs program), scuttling ships, or by deploying rubble or construction debris. Other artificial reefs are purpose built (e.g. the reef balls) from PVC or concrete. Shipwrecks may become artificial reefs when preserved on the sea floor. Regardless of construction method, artificial reefs generally provide hard surfaces where algae and invertebrates such as barnacles, corals, and oysters attach; the accumulation of attached marine life in turn provides intricate structure and food for assemblages of fish. This is NOT a complete collection of artificial reefs on the seafloor, nor are the locations to be considered exact. The presence and location of the artificial reefs have been derived from multiple state websites. These data are intended for coastal and ocean planning. Not for navigation.
  1. How should this data set be cited?

    Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Coastal Services Center (CSC), 201209, Artificial Reefs in US waters as of September 2012: NOAA's Ocean Service, Coastal Services Center (CSC), Charleston, SC.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -158.194482
    East_Bounding_Coordinate: -70.195180
    North_Bounding_Coordinate: 42.344001
    South_Bounding_Coordinate: 20.696978

  3. What does it look like?

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

    Calendar_Date: Sep-2012
    Currentness_Reference: publication date

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

  6. How does the data set represent geographic features?

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

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

      • Area point

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

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000001. Longitudes are given to the nearest 0.000001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 1980.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.

  7. How does the data set describe geographic features?

    ArtificialReefs
    National Artificial Reef Locations (Source: NOAA Coastal Services Center)

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    OBJECTID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    reefName
    Name of reef as specified by authoritative source. If no name was specified in the data, Reef ID was used to populate field. (Source: NOAA Coastal Services Center)

    Unique value.

    reefID
    Identification name, number or code of reef as specified by authoritative source. (Source: NOAA Coastal Services Center)

    Unique value.

    state
    State reef is associated with. (Source: NOAA Coastal Services Center)

    Unique value.

    composition
    Materials that make up the reef. (Source: NOAA Coastal Services Center)

    Unique value.

    description
    Additional information provided about each reef as specified by authoritative source. (Source: NOAA Coastal Services Center)

    Unique value.

    depth
    Water depth in feet at reef location. If a range was provided, the deepest depth number was used. (Source: NOAA Coastal Services Center)

    Unique value.

    clearance
    Height of water in feet from the top of each reef to the surface. (Source: NOAA Coastal Services Center)

    Unique value.

    relief
    Height of reef in feet. (Source: NOAA Coastal Services Center)

    Unique value.

    acres
    Amount of acres per reef as specified by authoritative source, or for features where a point has been derived by calculating the centroid of a polygon, the amount of acres per reef calculated per polygon in the feature’s proper UTM zone. (Source: NOAA Coastal Services Center)

    Unique value.

    date
    Date associated with reef as specified by authoritative source. (Source: NOAA Coastal Services Center)

    Unique value.

    comments
    Additional information provided about each reef as specified by authoritative source, or an explanation of which features have been derived by calculating the centroid of a polygon. (Source: NOAA Coastal Services Center)

    Unique value.


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?

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

    NOAA Coastal Services Center
    Attn: Multipurpose Marine Cadastre Data Steward
    Multipurpose Marine Cadastre Data Steward
    2234 S Hobson Ave
    Charleston, SC 29405

    843.740.1200 (voice)
    843.740.1224 (FAX)
    nos.csc.mmc@noaa.gov


Why was the data set created?

To support coastal and ocean planning and other activities pursuant to the Energy Policy Act, Coastal Zone Management Act, Magnuson-Stevens Fishery Conservation and Management Act, National Environmental Policy Act, Rivers and Harbors Act and the Submerged Lands Act.


How was the data set created?

  1. From what previous works were the data drawn?

    AL (source 1 of 16)
    Alabama Department of Conservation and Natural Resources, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    CA (source 2 of 16)
    California Department of Fish and Game, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    DE (source 3 of 16)
    State of Delaware Department of Natural Resources, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    FL (source 4 of 16)
    Florida Fish and Wildlife Conservation Commission, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    GA (source 5 of 16)
    Georgia Department of Natural Resources, Coastal Resources Division, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    HI (source 6 of 16)
    State of Hawaii, Office of Planning, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    LA (source 7 of 16)
    Louisiana Department of Wildlife and Fisheries, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    MD (source 8 of 16)
    Maryland Department of Natural Resources, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    MA (source 9 of 16)
    Massachusetts Office of Coastal Zone Management (CZM), 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    MI (source 10 of 16)
    Mississippi Department of Marine Resources, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    NJ (source 11 of 16)
    New Jersey Division of Fish and Wildlife, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    NY (source 12 of 16)
    New York State Department of Environmental Conservation, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    NC (source 13 of 16)
    North Carolina Division of Marine Fisheries, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    SC (source 14 of 16)
    South Carolina Department of Natural Resources, 201209, Artificial Reefs.

    Online Links:

    • https://www.dnr.sc.gov/reefguide/artreefgraphic

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    TX (source 15 of 16)
    Texas Parks and Wildlife, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

    VA (source 16 of 16)
    Virginia Marine Resources Commission, 201209, Artificial Reefs.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Reef location and general information obtained from state data sources. Attribute field names may have changed to accommodate for a single nationwide dataset.

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

    Date: Sep-2012 (process 1 of 1)
    Go to each individual state website and download the shapefile or spreadsheet artificial reef data containing location information. For shapefiles, reproject the data into NAD83, and rename attribute field names to those referenced in the data dictionary. Any additional fields can be dismissed. For spreadsheets, rename the attribute field names to those referenced in the data dictionary, and convert to shapefiles in the NAD83 projection. For polygon shapefiles, calculate the acres of each feature in their respective UTM zones, and record the value in the Acres field. Populate state names in the State field. Then calculate the centroid of each polygon and save as a point file, and make a note of this in the Comments field (This point has been derived from calculating the centroid of a polygon, which was the actual source data. There may be one or many artificial reefs within the [Acres] acres surrounding this point. For more information, please refer to [State] artificial reefs data.). Combine all state shapefiles into a single feature class projected in NAD83.

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


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

  1. How well have the observations been checked?

    The attributes in this dataset are believed to be accurate.

  2. How accurate are the geographic locations?

    Maximum scale of intended use is 1:80,000.

  3. How accurate are the heights or depths?

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

    Spatial and attribute properties are believed to be complete, although attribute information has been simplified. Geometric thresholds from original data are preserved. No tests have been completed for exhaustiveness.

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

    These data are believed to be logically consistent. Geometry is topologically clean.


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:
These data are intended for coastal and ocean use planning. Not for navigation.

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

    NOAA Coastal Services Center
    Attn: Multipurpose Marine Cadastre Data Steward
    Multipurpose Marine Cadastre Data Steward
    2234 S Hobson Ave
    Charleston, SC 29405

    843.740.1200 (voice)
    843.740.1224 (FAX)
    nos.csc.mmc@noaa.gov

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

    Live Data and Maps

  3. What legal disclaimers am I supposed to read?

    These data are intended for coastal and ocean use planning. Not for navigation.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 18-Jun-2013
Metadata author:
NOAA Coastal Services Center
Attn: Multipurpose Marine Cadastre Data Steward
Multipurpose Marine Cadastre Data Steward
2234 S Hobson Ave
Charleston, SC 29405

843.740.1200 (voice)
843.740.1224 (FAX)
nos.csc.mmc@noaa.gov

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


Generated by mp version 2.9.13 on Wed Oct 1 10:46:00 2014