Western Washington Land Cover Change Analysis - 1991 Impervious Surface Percent

Metadata also available as

Frequently-anticipated questions:


What does this data set describe?

Title:
Western Washington Land Cover Change Analysis - 1991 Impervious Surface Percent
Abstract: Western Washington land cover change analysis
  1. How should this data set be cited?

    Solutions, Sanborn Mapping , November 2005, Western Washington Land Cover Change Analysis - 1991 Impervious Surface Percent.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -125.471231
    East_Bounding_Coordinate: -118.417809
    North_Bounding_Coordinate: 49.704276
    South_Bounding_Coordinate: 45.053882

  3. What does it look like?

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

    Calendar_Date: 1991
    Currentness_Reference: ground condition

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

    Geospatial_Data_Presentation_Form: remote-sensing image

  6. How does the data set represent geographic features?

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

      This is a Raster data set. It contains the following raster data types:

      • Dimensions 16892 x 17001 x 1, type Pixel

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

      The map projection used is Lambert Conformal Conic.

      Projection parameters:
      Standard_Parallel: 45.833333
      Standard_Parallel: 47.333333
      Longitude_of_Central_Meridian: -120.500000
      Latitude_of_Projection_Origin: 45.333333
      False_Easting: 1640416.666667
      False_Northing: 0.000000

      Planar coordinates are encoded using row and column
      Abscissae (x-coordinates) are specified to the nearest 98.425197
      Ordinates (y-coordinates) are specified to the nearest 98.425197
      Planar coordinates are specified in survey feet

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      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?

    Layer_1

    ObjectID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Value

    Red

    Green

    Blue

    Count


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?

    Rick Jones
    Sanborn Mapping Solutions
    421 Sw 6th Ave.
    Portland, Oregon 97204
    USA

    503-228-8708 (voice)


Why was the data set created?

Provide land cover data for Western Washington for a 1991 time frame and a comprehensive analysis of change in land cover, impervious surface, and forest canopy for all of Western Washington between 1991 and 2001.


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: None
Use_Constraints: None

  1. Who distributes the data set?[Distributor contact information not provided.]

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

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 03-Nov-2009
Metadata author:
Sanborn Mapping Solutions
c/o Rick Jones
421 SW 6th Ave
Portland, Oregon 97204
USA

503-228-8708 (voice)

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


Generated by mp version 2.9.6 on Wed Apr 10 12:34:56 2013