HATTERAS_INDEX - Hatteras Island, North Carolina (geographic, WGS84)

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Frequently anticipated questions:


What does this data set describe?

Title:
HATTERAS_INDEX - Hatteras Island, North Carolina (geographic, WGS84)
Abstract:
The shoreline of Cape Hatteras, North Carolina, is experiencing long-term coastal erosion. In order to better understand and monitor the changing coastline, historical aerial imagery is used to map shoreline change. For the area of Hatteras Island from Cape Point to Oregon Inlet, fourteen aerial datasets from 1978-2002 were scanned and georeferenced for use in a Geographic Information System (GIS). Shoreline positions (high water line) were digitized from georeferenced imagery. The shoreline vectors were then compiled for use in the Digital Shoreline Analysis System (DSAS) ArcGIS extension in order to generate rates of shoreline change.
  1. How might this data set be cited?
    U.S. Geological Survey, 2015, HATTERAS_INDEX - Hatteras Island, North Carolina (geographic, WGS84): Open-File Report 2015-1002, U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center, St. Petersburg, Florida.

    Online Links:

    This is part of the following larger work.

    Hapke, Cheryl J., and Rachel E. Henderson (Hehre), 2015, Quantification of Shoreline Change Along Hatteras Island, NC: Oregon Inlet to Cape Hatteras, 1978-2002, and Associated Vector Shoreline Data: Open-File Report 2015-1002, U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center, St. Petersburg, Florida.

    Online Links:

    Other_Citation_Details:
    Suggested bibliographic reference: Hapke, C. J., Henderson, R. E., 2015, Quantification of Shoreline Change Along Hatteras Island, NC: Oregon Inlet to Cape Hatteras, 1978-2002, and Associated Vector Shoreline Data: U.S. Geological Survey Open-File Report 2015-1002.
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -75.624693
    East_Bounding_Coordinate: -75.441269
    North_Bounding_Coordinate: 35.875176
    South_Bounding_Coordinate: 35.125176
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 01-May-2011
    Currentness_Reference:
    publication date
  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):
      • G-polygon (6)
    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?
    Hatteras_Index
    polygon shapefile (Source: USGS)
    FID
    Internal feature number. (Source: ESRI) Sequential unique whole numbers that are automatically generated.
    Shape
    Feature geometry. (Source: ESRI) Coordinates defining the features.
    INDEX_NAME
    Unique name corresponding to the approximate USGS 1:24K Quad name. (Source: USGS) Value is text, the name of the index.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • U.S. Geological Survey
  2. Who also contributed to the data set?
    Suggested bibliographic reference: Hapke, C. J., Henderson, R. E., 2015, Quantification of Shoreline Change Along Hatteras Island, NC: Oregon Inlet to Cape Hatteras, 1978-2002, and Associated Vector Shoreline Data: U.S. Geological Survey Open-File Report 2015–1002. We would also like to thank Bill Berkemeier and Jesse McNinch of the USACE Field Research Facility (FRF) for providing access to the aerial photograph library. Jeff List contributed to the formulation of the uncertainty calculations for the rates of change, and the initial concept for deriving a shoreline database from the FRF historic photographs came from Rob Thieler, as part of the USGS North Carolina Coastal-Change Processes project.
  3. To whom should users address questions about the data?

Why was the data set created?

The Hatteras Index was generated to subdivide the study area (Hatteras Island, NC) into manageable regions, and to provide guidance for downloading data. The index polygon names follow the nomenclature of the USGS 24k quadrangle index, but do not completely coincide spatially.

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: 29-Jan-2011 (process 1 of 2)
    An index map was generated to subdivide the study area into more manageable regions. The polygon shapefile was manually digitized following the approximate location of the USGS 24K quadrangle index. The index polygon names loosely follow the nomenclature of the USGS 24k quadrangle index, but do not completely coincide spatially. Person who carried out this activity:
    U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, St. Petersburg, Florida
    Attn: Rachel E. Henderson (Hehre)
    600 4th Street South
    St. Petersburg, FL
    USA

    (727)-502-8000 (voice)
    rehenderson@usgs.gov
    Date: 26-Mar-2018 (process 2 of 2)
    Keywords section of metadata optimized by adding theme keyword thesauri and associated keywords. Person who carried out this activity:
    U.S. Geological Survey
    Attn: Arnell S. Forde
    Geologist
    600 4th Street South
    St. Petersburg, FL

    727-502-8000 (voice)
    aforde@usgs.gov
  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?
    An index map was generated to subdivide the study area into six regions. The polygon shapefile was manually digitized following the approximate location of the USGS 24K quadrangle index. The index polygon names follow the nomenclature of the USGS 24k quadrangle index, but do not completely coincide spatially.
  5. How consistent are the relationships among the observations, including topology?
    Adjacent polygon segments may overlap and are not necessarily continuous. Polygons were quality checked for accuracy. There may be slight offsets between adjacent segments due to georeferencing and digitizing error. The index serves as an approximate guide to divide the data; therefore no error assessments were conducted.

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 are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of the dataset.
  1. Who distributes the data set? (Distributor 1 of 1)
    U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, St. Petersburg, Florida
    Attn: Rachel E. Henderson (Hehre)
    600 4th Street South
    St. Petersburg, FL
    USA

    (727)-502-8000 (voice)
    rehenderson@usgs.gov
  2. What's the catalog number I need to order this data set? Downloadable Data: USGS Open-File Report 2015–1002
  3. What legal disclaimers am I supposed to read?
    Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. 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?
    • Availability in digital form:
      Data format: The WinZip file contains a shapefile of an index for Hatteras Island from Oregon Inlet to Cape Hatteras point. in format WinZip (version 15.5) ESRI polygon shapefile Size: .003
      Network links: https://pubs.usgs.gov/of/2015/1002/downloads/ofr2015-1002.zip
    • Cost to order the data: None.

  5. What hardware or software do I need in order to use the data set?
    This zip file contains data available in Environmental Systems Research Institute (ESRI) polyline shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.

Who wrote the metadata?

Dates:
Last modified: 26-Mar-2018
Metadata author:
Rachel E. Henderson (Hehre)
U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, St. Petersburg, Florida
600 4th Street South
St. Petersburg, FL
USA

(727)-502-8000 (voice)
rehenderson@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

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