Acropora Spatial Survey Data of the Upper Florida Keys National Marine Sanctuary 2005 -2007 (NODC Accession 0046934)

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Frequently anticipated questions:


What does this data set describe?

Title:
Acropora Spatial Survey Data of the Upper Florida Keys National Marine Sanctuary 2005 -2007 (NODC Accession 0046934)
Abstract:
Presence or absence of acroporid corals marked by handheld GPS during snorkel or tow surveys of shallow water (<5m) reef habitats in the Upper Florida Keys National Marine Sanctuary (USA)
  1. How should this data set be cited?

    NOAA Fisheries Southeast Fisheries Science Center (SEFSC) Benthic Ecosystem Assessment and Research, 20080901, Acropora Spatial Survey Data of the Upper Florida Keys National Marine Sanctuary 2005 -2007 (NODC Accession 0046934).

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -81.410790
    East_Bounding_Coordinate: -80.196320
    North_Bounding_Coordinate: 25.291290
    South_Bounding_Coordinate: 24.544660

  3. What does it look like?

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

    Beginning_Date: 23-May-2005
    Ending_Date: 01-Aug-2007
    Currentness_Reference: ground condition

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

    Geospatial_Data_Presentation_Form: vector digital data

  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):

      • Entity Point (3865)

    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 D_WGS_1984.
      The ellipsoid used is WGS_1984.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257224.

  7. How does the data set describe geographic features?

    Acropsppsurvey
    geodatabase (Source: multiple attributes)

    FID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    Point_Name
    individual identifier for the GPS waypoint (Source: assigned by data manager)

    4 digit alphanumeric number

    Date_Marked
    Date the GPS waypoint was collected (Source: GPS)

    Day month and year

    File_Name
    Name of the original waypoint file where raw data is archived (Source: assigned by data manager)

    alphanumeric identifier

    Region
    General reef region of the survey (Source: assigned by data manager)

    Two letter code

    Lat
    Latitude (Source: handheld GPS)

    decimal degrees

    Long
    Longitude (Source: handheld GPS)

    decimal degrees

    Attribute
    Code identifying the benthic feature marked by the waypoint (Source: recorded during field survey)

    one word description

    GPS_Unit
    Code used to identify individual GPS unit that was used during the surveys (Source: recorded during field survey)

    alphanumeric identifier

    Sampling_Method
    method used to survey area (Source: recorded at time of survey)

    one word description

    Track_Overlay
    file name of GPS track of the survey in which the waypoint was marked (Source: Assigned by data manager)

    alphanumeric file name

    Notes
    comments recorded during collection of data (Source: recorded by surveyor)

    varies


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?

    Margaret W. Miller

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

    Dana Williams
    NOAA, National Marine Fisheries Service, Southeast Fisheries Science Center, Protected Resources Division
    75 Virginia Beach Dr
    Miami, FL 33149

    305-361-4569 (voice)


Why was the data set created?

To document the presence or absence of Acropora spp at shallow reef sites in the Upper Florida Keys (USA)


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: 05-Sep-2008 (process 1 of 1)
    Dataset imported into ArcGIS for spatial representation. An accompanying field manual includes detailed information on survey methods, use of the handheld GPS (i.e. appropriate settings), as well as descriptions of attribute definitions which are defined and illustrated in photographs.

    <http://www.nodc.noaa.gov/archive/arc0020/0046934/01-version/data/0-data/AcroporaGPSSurveyProtocol.pdf>

  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?

  2. How accurate are the geographic locations?

  3. How accurate are the heights or depths?

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

    data set includes spatial data from various shallow reef areas

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

    Not applicable


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: Please cite contributors when using this data

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

    Dana Williams
    NOAA, National Marine Fisheries Service, Southeast Fisheries Science Center, Protected Resources Division
    75 Virginia Beach Dr
    Miami, FL 33149

    305-361-4569 (voice)

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

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA and NODC cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 20-Dec-2012
Last Reviewed: 10-Oct-2008
Metadata author:
Dana Williams
NOAA, National Marine Fisheries Service, Southeast Fisheries Science Center, Protected Resources Division
75 Virginia Beach Dr
Miami, FL 33149

305-361-4569 (voice)

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


Generated by mp version 2.9.13 on Wed Aug 20 10:41:55 2014