Geomorphic habitat units derived from 2013 aerial imagery and elevation data for the Elwha River estuary, Washington

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Frequently anticipated questions:


What does this data set describe?

Title:
Geomorphic habitat units derived from 2013 aerial imagery and elevation data for the Elwha River estuary, Washington
Abstract:
Estuary geomorphic units delineated at a scale of 1:1500 using a combination of (a) 26 August 2013 0.15 meter resolution NPS Elwha PlaneCam aerial imagery; and (b) elevation-colored and hillshaded digital elevation models from USGS backpack/jetski topobathy surveys (16 September 2013) for areas < MHHW and aerial lidar surveys (17 October 2012) supplemented with NPS Elwha PlaneCam SfM photogrammetry data (19 September 2013) for elevations > MHHW.
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 Esri format, this metadata file may include some Esri-specific terminology.
  1. How might this data set be cited?
    Ritchie, Andrew C., and Warrick, Jonathan A., 2017, Geomorphic habitat units derived from 2013 aerial imagery and elevation data for the Elwha River estuary, Washington: data release 10.5066/F75B00N4, U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, California.

    Online Links:

    This is part of the following larger work.

    Foley, Melissa M., Shafroth, Patrick B., Bierne, Matthew M., Paradis, Rebecca, and Ritchie, Andrew C., 2017, Ecological parameters in the Elwha River estuary before and during dam removal: data release 10.5066/F75B00N4, U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, CA.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -123.573435517
    East_Bounding_Coordinate: -123.553287041
    North_Bounding_Coordinate: 48.151606776
    South_Bounding_Coordinate: 48.141586178
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 10-Oct-2012
    Ending_Date: 18-Sep-2013
    Currentness_Reference:
    ground condition
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: Vector Digital Data Set (Polygon)
  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 (65)
    2. What coordinate system is used to represent geographic features?
      Grid_Coordinate_System_Name: Universal Transverse Mercator
      Universal_Transverse_Mercator:
      UTM_Zone_Number: 10
      Transverse_Mercator:
      Scale_Factor_at_Central_Meridian: 0.9996
      Longitude_of_Central_Meridian: -123.0
      Latitude_of_Projection_Origin: 0.0
      False_Easting: 500000.0
      False_Northing: 0.0
      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.6096
      Ordinates (y-coordinates) are specified to the nearest 0.6096
      Planar coordinates are specified in Meter
      The horizontal datum used is D_North_American_1983.
      The ellipsoid used is GRS_1980.
      The semi-major axis of the ellipsoid used is 6378137.0.
      The flattening of the ellipsoid used is 1/298.257222101.
  7. How does the data set describe geographic features?
    Attribute Table
    Table containing attribute information associated with the data set. (Source: Producer defined)
    OBJECTID
    Internal feature number. (Source: Esri) Sequential unique whole numbers that are automatically generated.
    Name
    Aquatic and terrestrial estuarine geomorphic cover/habitat types developed using a combination of aerial imagery and topographic/bathymetric elevation data to assess changes to coastal habitats during removal of two dams on the Elwha River, Clallam County, WA, USA. (Source: Producer defined)
    ValueDefinition
    aquatic (intertidal)open water between MLLW and MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    aquatic (subtidal)open water below MLLW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    aquatic (supratidal)open water above MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    beach (intertidal)unconsolidated mostly coarse sediment, between MLLW and MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    beach (supratidal)unconsolidated mostly coarse sediment, above MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    river bar (intertidal)elevated region of sediment shaped and deposited predominantly by river currents, between MLLW and MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    river bar (supratidal)elevated region of sediment shaped and deposited predominately by river currents, above MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    river mouth bar (intertidal)elevated region of sediment shaped and deposited by river currents and tidal and wave energy, between MLLW and MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    river mouth bar (supratidal)elevated region of sediment shaped and deposited by river currents and tidal and wave energy, above MHHW with respect to the local coastal water datum from the NOAA tidal station at Port Angeles, Washington (NOAA Station ID 9444090)
    Shape_Leng
    perimeter of feature in internal units (Source: Producer defined)
    Range of values
    Minimum:45.9269672863
    Maximum:4967.4375754
    Units:meter
    Shape_Area
    Area of feature in internal units squared. (Source: Esri)
    Range of values
    Minimum:106.996206013
    Maximum:174165.752014
    Units:square meter
    Entity_and_Attribute_Overview:
    The entity and attribute information provided here describes the tabular data associated with the data set. Please review the detailed descriptions that are provided (the individual attribute descriptions) for information on the values that appear as fields/table entries of the data set.
    Entity_and_Attribute_Detail_Citation:
    The entity and attribute information was generated by the individual and/or agency identified as the originator of the data set. Please review the rest of the metadata record for additional details and information.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Andrew C. Ritchie
    • Jonathan A. Warrick
  2. Who also contributed to the data set?
    NPS, USGS
  3. To whom should users address questions about the data?
    USGS Pacific Coastal and Marine Science Center
    Attn: PCMSC Science Data Coordinator
    2885 Mission St
    Santa Cruz, CA
    USA

    831-427-4747 (voice)
    pcmsc_data@usgs.gov

Why was the data set created?

Data were collected/produced to monitor and assess changes to coastal habitats during dam removal on the Elwha River, Clallam County, WA, USA.

How was the data set created?

  1. From what previous works were the data drawn?
    Elwha PlaneCam 20130826 (source 1 of 3)
    National Park Service (NPS), Unpublished material, Elwha PlaneCam 2013-08-26: NPS, unpublished.

    Type_of_Source_Media: Digital and/or Hardcopy Resources
    Source_Scale_Denominator: 1000
    Source_Contribution: provided high resolution imagery showing ground conditions
    2012 USGS Elwha Lidar (source 2 of 3)
    National Oceanic and Atmospheric Administration (NOAA), and U.S. Geological Survey (USGS), 2015, 2012 USGS Lidar: Elwha River (WA): NOAA, NOAA Digital Coast.

    Online Links:

    Type_of_Source_Media: Digital and/or Hardcopy Resources
    Source_Scale_Denominator: 10000
    Source_Contribution:
    High resolution ground elevation data provided elevation relative to tides
    2013 USGS Tobobathy (source 3 of 3)
    Stevens, Andrew W., Gelfenbaum, Guy, Warrick, Jonathan A., Miller, Ian A., and Weiner, Heather M., 2017, Bathymetry, topography, and sediment grain-size data from the Elwha River delta, Washington, September 2013: U.S. Geological Survey, Santa Cruz, CA.

    Online Links:

    Type_of_Source_Media: Digital and/or Hardcopy Resources
    Source_Contribution:
    nearshore bathymetry data from field activity W-07-13-PS, collected in September 2013
  2. How were the data generated, processed, and modified?
    Date: 30-Mar-2015 (process 1 of 7)
    identify project area and create clip extent for aerial imagery and elevation data
    Date: 30-Sep-2015 (process 2 of 7)
    Delineate geomorphic units from aerial imagery and elevation data using combination of three layers for interpretation: (1) aerial imagery to map bars, beaches, and aquatic habitat, (2) elevation-colored DEMs to identify subtidal, intertidal, and supratidal regions, (3) hillshaded DEMs to assist in mapping feature boundaries.
    Date: 30-Apr-2016 (process 3 of 7)
    Revise polygon boundaries for consistency with vegetation units, revise map units to produce fewer more generalized categories, calculate area values
    Date: 19-Jul-2018 (process 4 of 7)
    Keywords section of metadata edited for consistency across the USGS Pacific Coastal and Marine Science Center and to further optimize discovery in search engines and data catalogs. Metadata was modified to bring up to current USGS PCMSC standards. Minor typos were corrected. No data information was changed. Person who carried out this activity:
    Susan A Cochran
    U.S. Geological Survey, Pacific Coastal and Marine Science Center
    Geologist
    2885 Mission Street
    Santa Cruz, CA
    USA

    (831) 460-7545 (voice)
    scochran@usgs.gov
    Date: 05-Sep-2018 (process 5 of 7)
    Corrected Point of Contact and Metadata Contact phone number prefix. Person who carried out this activity:
    Susan A Cochran
    U.S. Geological Survey, Pacific Coastal and Marine Science Center
    2885 Mission St.
    Santa Cruz, CA
    United States

    831-460-7545 (voice)
    scochran@usgs.gov
    Date: 19-Oct-2020 (process 6 of 7)
    Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed. Person who carried out this activity:
    U.S. Geological Survey
    Attn: VeeAnn A. Cross
    Marine Geologist
    384 Woods Hole Road
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
    Date: 13-Oct-2021 (process 7 of 7)
    Performed minor edits to the metadata to correct typos. No data were changed Person who carried out this activity:
    U.S. Geological Survey
    Attn: Susan A. Cochran
    Geologist
    2885 Mission Street
    Santa Cruz, CA

    831-460-7545 (voice)
    scochran@usgs.gov
  3. What similar or related data should the user be aware of?
    Foley, Melissa M., Warrick, Jonathan A., Ritchie, Andrew, Stevens, Andrew W., Shafroth, Patrick B., Duda, Jeffrey J., Beirne, Matthew M., Paradis, Rebecca, Gelfenbaum, Guy, McCoy, Randall, and Cubley, Erin S., 2017, Coastal habitat and biological community response to dam removal on the Elwha River: Ecological Monographs, Ecological Society of America, Washington DC.

    Online Links:


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

  1. How well have the observations been checked?
    No formal attribute accuracy tests were conducted.
  2. How accurate are the geographic locations?
    A formal accuracy assessment of the horizontal positional information in the data set has not been conducted.
  3. How accurate are the heights or depths?
    A formal accuracy assessment of the vertical positional information in the data set has either not been conducted, or is not applicable.
  4. Where are the gaps in the data? What is missing?
    Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.
  5. How consistent are the relationships among the observations, including topology?
    No formal logical accuracy tests 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:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and the National Park Service as the originator(s) of the dataset and in products derived from these data.
  1. Who distributes the data set? (Distributor 1 of 1)
    U.S. Geological Survey - ScienceBase
    Denver Federal Center, Building 810, Mail Stop 302
    Denver, CO

    1-888-275-8747 (voice)
    sciencebase@usgs.gov
  2. What's the catalog number I need to order this data set? These data are available in shapefile format (BeachUnits_2013.shp and accompanying files), which also includes CSDGM FGDC-compliant metadata.
  3. What legal disclaimers am I supposed to read?
    Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
  4. How can I download or order the data?
  5. What hardware or software do I need in order to use the data set?
    The downloadable data file has been compressed with the "zip" command and can be unzipped with Winzip (or other tool) on Windows systems. To utilize these data, the user must have software capable of uncompressing the WinZip file and importing and viewing an Esri ArcMap SHP.

Who wrote the metadata?

Dates:
Last modified: 13-Oct-2021
Metadata author:
USGS Pacific Coastal and Marine Science Center
Attn: PCMSC Science Data Coordinator
2885 Mission St
Santa Cruz, CA
USA

831-427-4747 (voice)
pcmsc_data@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_F75B00N4/BeachUnits_2013_meta.faq.html>
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