T22R09 Tree Points 2021

Metadata also available as - [Outline]

Frequently anticipated questions:

What does this data set describe?

Title: T22R09 Tree Points 2021
Abstract:
Tree points for entire King County extracted from Lidar layer Vegetation Height (VHT), 10 feet and higher. Attributes Height and Intensity added from 2021 Lidar. NDVI attribute extracted from 2021 NAIP photography for King County.
  1. How might this data set be cited?
    County, King, 20231010, T22R09 Tree Points 2021: King County, King County, WA.

    Online Links:

    • None

    Other_Citation_Details: None
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -121.703624
    East_Bounding_Coordinate: -121.581247
    North_Bounding_Coordinate: 47.429305
    South_Bounding_Coordinate: 47.346197
  3. What does it look like?
    http://www5.kingcounty.gov/sdc/DataImages/t22r09tree.jpg (JPG)
    JPG File of layer overlain on base of WA counties or local cities
  4. Does the data set describe conditions during a particular time period?
  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 (1896060)
    2. What coordinate system is used to represent geographic features?
      The map projection used is NAD 1983 HARN StatePlane Washington North FIPS 4601 Feet.
      Projection parameters:
      Standard_Parallel: 47.5
      Standard_Parallel: 48.73333333333333
      Longitude_of_Central_Meridian: -120.8333333333333
      Latitude_of_Projection_Origin: 47.0
      False_Easting: 1640416.666666667
      False_Northing: 0.0
      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.0003280833333333333
      Ordinates (y-coordinates) are specified to the nearest 0.0003280833333333333
      Planar coordinates are specified in foot_us
      The horizontal datum used is D North American 1983 HARN.
      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?
    maint.GISC.t22r09tree_point
    point data table (Source: King County)
    OBJECTID
    Internal feature number. (Source: Esri) Sequential unique whole numbers that are automatically generated.
    pointid
    (Source: King County)
    Range of values
    Minimum:757.0
    Maximum:183439.0
    Intensity
    Lidar Return Intensity. Can be used to Identify tree type. (Source: King County)
    Range of values
    Minimum:0.0
    Maximum:241.0
    Height
    Tree Height from 2021 Lidar in Feet. (Source: King County)
    Range of values
    Minimum:10.0
    Maximum:294.89001465
    NDVI
    Normalized Difference Vegetation Index. Used to judge health of Trees. (Source: King County)
    Range of values
    Minimum:0
    Maximum:92.0
    Shape
    Feature geometry. (Source: Esri) Coordinates defining the features.
    Entity_and_Attribute_Detail_Citation: King County

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?
    King County GIS Center, NV5 Geospatial, USGS, Ecopia.
  3. To whom should users address questions about the data?
    King County Dept of Information Technology, GIS Center
    Attn: Victor High
    GIS Specialist
    201 S Jackson St, Suite 225
    Seattle, WA
    US

    206-477-4408 (voice)

Why was the data set created?

Tree point layer containing attributes for Height, Lidar Intensity, and NDVI vegetation health for the year 2021.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
  3. What similar or related data should the user be aware of?

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

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints:
Access Constraint: Data is not available on GIS Data Portal, it may be available via a custom data request
Use_Constraints:
Use Constraint: King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.
  1. Who distributes the data set? (Distributor 1 of 1)
    KCGIS Center
    Attn: giscenter@kingcounty.gov
    Data Distribution
    201 S Jackson St
    Seattle, WA
    US

    206-477-4403 (voice)
  2. What's the catalog number I need to order this data set? /plibrary2/natres/shapes/point/t22r09tree.shp
  3. What legal disclaimers am I supposed to read?
    Distribution Liability: King County disclaims any warranty of use of any digital product or data beyond that for which it was designed.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 18-Oct-2023
Metadata author:
King County Dept of Information Technology, GIS Center
Attn: Victor High
GIS Specialist
201 S Jackson St, Suite 225
Seattle, WA
US

206-477-4408 (voice)
firstname.lastname@kingcounty.gov
Metadata standard:
FGDC Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)
Generated by mp version 2.9.50 on Thu Oct 3 15:57:31 2024