# Stratification of Nebraska 2016

Metadata also available as

## Metadata:

- Identification_Information
- Data_Quality_Information
- Spatial_Data_Organization_Information
- Spatial_Reference_Information
- Entity_and_Attribute_Information
- Distribution_Information
- Metadata_Reference_Information

Identification_Information:
  Citation:
    Citation_Information:
      Originator:
        United States Department of Agriculture, National Agricultural Statistics Service, Research and Development Division, Geospatial Information Branch, Geospatial and Environment Sample Survey Section
      Publication_Date: 2019
      Title: Stratification of Nebraska 2016
      Publication_Information:
        Publication_Place: Washington, DC
        Publisher:
          U.S. Department of Agriculture, National Agricultural Statistics Service
      Online_Linkage:
        https://www.nass.usda.gov/Research_and_Science/stratafront2b.php
  Description:
    Abstract:
      The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) area sampling frame is a delineation of all parcels of land for the purpose of later sampling the parcels. The area frame is constructed by visually interpreting satellite imagery to divide a state into homogenous land use areas (strata) based on percent cultivated. The strata are typically defined as low, medium or high percent cultivated, non-agricultural land, urban use, agri-urban, or water. The boundaries of the strata usually follow identifiable features such as roads, railroads and waterways. The strata boundaries do not coincide with any political boundaries, with the exception of state boundaries.

    Purpose:
      These data are intended for geographic display and analysis at the state level. The data should be displayed and analyzed at a scale of 1:100,000 or smaller (e.g., 1:250,000, etc.). The strata data are provided "as is". USDA/NASS does not warrant results you may obtain using the strata data.
    Supplemental_Information: N/A
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 2016
    Currentness_Reference: N/A
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: Irregular
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -104.05
      East_Bounding_Coordinate: -95.75
      North_Bounding_Coordinate: 43.00
      South_Bounding_Coordinate: 40.00
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus:
        National Agricultural Statistics Service, U.S. Department of Agriculture, 1987, Area Frame Design for Agricultural Surveys, Washington, D.C., NASS/USDA.
      Theme_Keyword: Stratification
      Theme_Keyword: Area sampling frame
      Theme_Keyword: Land use classes (strata)
    Place:
      Place_Keyword_Thesaurus:
        U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of The United States, and Associated Areas (Federal Information Processing Standard 5-2): Washington, D.C., National Institute of Standards and Technology.
      Place_Keyword: United States
      Place_Keyword: USA
      Place_Keyword: Nebraska
  Access_Constraints: None
  Use_Constraints:
    None. Acknowledgment of the U.S. Department of Agriculture, National Agricultural Statistics Service would be appreciated in products derived from these data.
  Point_of_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Matthew Deaton
        Contact_Organization: USDA/NASS/RDD/GEOSSS
      Contact_Address:
        Address_Type: mailing address
        Address: 1400 Independance Ave
        City: Washington
        State_or_Province: DC
        Postal_Code: 20228
      Contact_Voice_Telephone: 703-877-8000
      Contact_Electronic_Mail_Address: HQ_RD_OD@usda.gov
  Data_Set_Credit: Area Frame Section staff
  Native_Data_Set_Environment: Environmental Systems Research Institute Shapefile

Data_Quality_Information:
  Logical_Consistency_Report:
    Checks for topological consistency were performed on this data set.
  Completeness_Report:
    There are no known gaps and overlaps within the state. This data set includes the area in square miles and number of acres for each strata. Boundaries may not be coincident with strata boundaries of adjacent states.
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report:
        The sources used for digitizing strata boundaries are 1:24,000 scale Digital Raster Graphics and 1 meter digital imagery from NAIP
      Quantitative_Horizontal_Positional_Accuracy_Assessment:
        Horizontal_Positional_Accuracy_Value: 5.0
        Horizontal_Positional_Accuracy_Explanation:
          Not more than 10 percent of the test points shall be in error by more than 1/50 of an inch on origial topo map.
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: U.S. Geologic Survey (USGS)
          Publication_Date: 1979 - 1991
          Title: USGS Topographic Quadrangles
          Publication_Information:
            Publication_Place: Reston, VA
            Publisher: U.S. Geologic Survey
      Source_Scale_Denominator: 100000
      Type_of_Source_Media: On-line
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 1978
            Ending_Date: 1990
        Source_Currentness_Reference: Publication date
      Source_Citation_Abbreviation: TopoDRG100
      Source_Contribution: Spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Farm Service Agency
          Publication_Date: 2014
          Title: National Aerial Imaging Program (NAIP)
          Publication_Information:
            Publication_Place: Salt Lake City, UT
            Publisher: Aerial Photography Field Office (APFO)
      Source_Scale_Denominator: 2000
      Type_of_Source_Media: digital download
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 2014
        Source_Currentness_Reference: Source photography date
      Source_Citation_Abbreviation: NAIP
      Source_Contribution: Spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: U.S. Geological Survey (USGS)
          Publication_Date: 1979 - 1991
          Title: USGS Topographic Quadrangles
          Publication_Information:
            Publication_Place: Reston, VA
            Publisher: U.S. Geological Survey
      Source_Scale_Denominator: 24000
      Type_of_Source_Media: On-line
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 1978
            Ending_Date: 1990
        Source_Currentness_Reference: Publication date
      Source_Citation_Abbreviation: TopoDRG24
      Source_Contribution: Spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: USDA/NASS/RDD/GIB/AFS
          Publication_Date: 2009 - 2015
          Title: Cropland Data Layer
          Publication_Information:
            Publication_Place: Fairfax, VA
            Publisher: USDA/NASS/RDD/GIB/AFS
      Type_of_Source_Media: On-line
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Multiple_Dates/Times:
            Single_Date/Time:
              Calendar_Date: 2014
            Single_Date/Time:
              Calendar_Date: 2013
            Single_Date/Time:
              Calendar_Date: 2012
            Single_Date/Time:
              Calendar_Date: 2011
            Single_Date/Time:
              Calendar_Date: 2010
            Single_Date/Time:
              Calendar_Date: 2009
        Source_Currentness_Reference: Scene date
      Source_Citation_Abbreviation: NASS-CDL
      Source_Contribution: Spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: United States Census Bureau
          Publication_Date: 2010
          Title: TIGER Digital Vector Files
          Publication_Information:
            Publication_Place: Suitland, MD
            Publisher: U.S. Census Bureau
      Type_of_Source_Media: On-line
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 2010
        Source_Currentness_Reference: Publication date
      Source_Citation_Abbreviation: TIGER
      Source_Contribution: Spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: National Agricultural Statistics Service
          Publication_Date: 2013
          Title: Area Frame Design for Agricultural Surveys
          Publication_Information:
            Publication_Place: Washington, DC
            Publisher: NASS/USDA
      Type_of_Source_Media: Paper
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 2014
        Source_Currentness_Reference: Publication date
      Source_Citation_Abbreviation: AFSPaper
      Source_Contribution: Spatial and attribute information
    Process_Step:
      Process_Description:
        The area sampling frame for Nebraska was constructed for use in 2015 and was based on USGS 1:24,000 and 1:100,000 scale topographic maps, 1:250,000 scale Landsat imagery, and 1 meter resolution NAIP imagery. Individual county files were merged into single statefile. The coordinates for the strata polygons are unprojected to geographic latitude and longitude (decimal degrees). The spatial data file format is Environmental Systems Research Institute's shapefile format. Topology was corrected within an ESRI file geodatabase.

      Source_Used_Citation_Abbreviation: TopoDRG100
      Source_Used_Citation_Abbreviation: NAIP
      Source_Used_Citation_Abbreviation: TopoDRG24
      Source_Used_Citation_Abbreviation: TIGER
      Source_Used_Citation_Abbreviation: NASS-CDL
      Source_Used_Citation_Abbreviation: AFSPaper
      Process_Date: 2015

Spatial_Data_Organization_Information:
  Indirect_Spatial_Reference:
    U.S. Department of Commerce, 1990, Counties and Equivalent Entities of The United States, Its Possessions, and Associated Areas (Federal Information Processing Standard 6-4): Washington, D.C. National Institute of Standards and Technology.
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: G-Polygon
      Point_and_Vector_Object_Count: 7,499

Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Grid_Coordinate_System:
        Grid_Coordinate_System_Name: Universal Transverse Mercator
        Universal_Transverse_Mercator:
          UTM_Zone_Number: 14
          Transverse_Mercator:
            Scale_Factor_at_Central_Meridian: 0.9996
            Longitude_of_Central_Meridian: -99.00
            Latitude_of_Projection_Origin: 0.0
            False_Easting: 500000.00
            False_Northing: 0.0
      Planar_Coordinate_Information:
        Planar_Coordinate_Encoding_Method: row and column
        Coordinate_Representation:
          Abscissa_Resolution: 30
          Ordinate_Resolution: 30
        Planar_Distance_Units: Meters
    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1983
      Ellipsoid_Name: Geodetic Reference 80
      Semi-major_Axis: 6378137.00
      Denominator_of_Flattening_Ratio: 298.257

Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: Land Use Strata
      Entity_Type_Definition: Homogeneous land use area based on percent cultivated
      Entity_Type_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
    Attribute:
      Attribute_Label: Strata
      Attribute_Definition: Land use category based on percent cultivated
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: 11
          Enumerated_Domain_Value_Definition: GREATER THAN 80% CULTIVATED
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 12
          Enumerated_Domain_Value_Definition: 51 - 80% CULTIVATED
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 20
          Enumerated_Domain_Value_Definition: 15 - 50% CULTIVATED
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 31
          Enumerated_Domain_Value_Definition: AGRI-URBAN: GREATER THAN 20 HOMES PER MILE SQU
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 32
          Enumerated_Domain_Value_Definition: COMMERCIAL: GREATER THAN 20 HOMES PER MILE SQU
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 40
          Enumerated_Domain_Value_Definition: LESS THAN 15% CULTIVATED
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
        Enumerated_Domain:
          Enumerated_Domain_Value: 50
          Enumerated_Domain_Value_Definition: non-agricultural
          Enumerated_Domain_Value_Definition_Source:
            "2004 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, 2004.
    Attribute:
      Attribute_Label: Sum_area
      Attribute_Definition: The stratum area in square miles.
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 110.47 (actual value, not range)
          Range_Domain_Maximum: 26,825.21
    Attribute:
      Attribute_Label: Sum_acres
      Attribute_Definition: The amount of acres in a stratum.
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 70,699.20 (actual value, not range)
          Range_Domain_Maximum: 17,168,120.25 (actual value, not range)

Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: USDA/NASS/RDD/GIB/GEOSSS
      Contact_Address:
        Address_Type: mailing address
        Address: 1400 Independance Ave
        City: Washington
        State_or_Province: DC
        Postal_Code: 22025
      Contact_Voice_Telephone: 703-877-8000
      Contact_Instructions: N/A
  Distribution_Liability:
    Users of the strata data are solely responsible for interpretations made from the product. The strata data are provided "as is". USDA/NASS does not warrant results you may obtain by using the strata data. Feel free to contact our staff at (HQ_RD_OD@nass.usda.gov) if technical questions arise in the use of the strata data.
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ESRI Shapefile
      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name:
                https://www.nass.usda.gov/Research_and_Science/stratafront2b.php
    Fees: There is no charge for the online option.
    Ordering_Instructions: N/A

Metadata_Reference_Information:
  Metadata_Date: 20190629
  Metadata_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Matthew Deaton
        Contact_Organization: USDA/NASS/RDD/GIB/GEOSSS
      Contact_Address:
        Address_Type: mailing address
        Address: 1400 Independance Ave
        City: Washington
        State_or_Province: DC
        Postal_Code: 20228
      Contact_Voice_Telephone: 202 690 0449
      Contact_Electronic_Mail_Address: HQ_RD_OD@nass.usda.gov
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Security_Information:
    Metadata_Security_Classification_System: None
    Metadata_Security_Classification: Unclassified
    Metadata_Security_Handling_Description: None

Generated by `mp` version 2.7.33 on Mon Jul 01 13:26:15 2019