Metadata:
 
 Identification_Information:
  Citation:
   Citation_Information:
    Originator: Tim Brabets
    Publication_Date: 1998
    Publication_Time: 
    Title: Glaciers in the Cook Inlet Basin - National Water-Quality Assessment Program
    Edition: 
    Geospatial_Data_Presentation_Form: 
      Series_Name: 
      Issue_Identification: 
    Publication_Information:
      Publication_Place: Anchorage
      Publisher: USGS
    Other_Citation_Details: 
    Online_Linkage: <URL:http://agdc.usgs.gov/data/usgs/water>
 
  Description: 
    Abstract:
 
     nawqa_glac1 is a polygon coverage of glaciers in the Cook Inlet National Water-
     Quality Assessment (NAWQA) study unit. The Cook Inlet NAWQA is located in
     southcentral Alaska and the coverage was created from 1:2,000,000 digital
     line graphs (DLGs).
 
 
 
    Purpose:
 
     The purpose of nawqa_glac1 is to give a general overview of the amount of
     glaciers present in the Cook Inlet Basin. Because glaciers play an important
     part in the hydrology of rivers and streams, their absence or presence will be a
     critical factor in the selection of water-quality sampling sites for the Cook
     Inlet NAWQA.
 
 
    Supplemental_Information:
 
      Procedures_Used:
 
      The glacier coverage was created by USGS and Alaska Division of Natural
      Resources (ADNR) personnel using the  USGS 1:2,000,000 digital line graphs
      (DLG) and techniques described by Domaratz and others (1982). Polygons
      representing glaciers were assigned a value of 40 to the item MAJ in the
      polygon attribute table. The drainage basin boundaries of the Cook Inlet
      Basin, developed from 1:250,000 quadrangle maps, were used as the boundaries
      of the coverage.
 
 
      Revisions:
 
      No revisions have been done.
 
 
      Reviews_Applied_to_Data:
 
      Coverage and documentation was reviewed by Roy Glass. An editorial review of the
      documentation was done by Liska Snyder.
 
 
      Related_Spatial_and_Tabular_Data_Sets:
 
      None
 
 
      Other_References_Cited:
 
      Domaratz, M.A., Hallam, C.A., Schmidt, W.E., and Calkins, H.W., 1982, Digital
      line graphs from 1:2,000,000-scale maps (USGS cartographic standards): U.S.
      Geological Survey Circular 895-D, 40 p.
 
 
      Notes:
 
      None
 
 
  Time_Period_of_Content:
   Time_Period_Information:
    Single_Date/Time:
      Calendar_Date: 19970620
      Time_of_Day: 1000
   Currentness_Reference:
 
 
 
  Status:
    Progress:  Complete
    Maintenance_and_Update_Frequency:
 
     None planned.
 
 
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -154.81247336
      East_Bounding_Coordinate: -146.27258973
      North_Bounding_Coordinate: 63.79307302
      South_Bounding_Coordinate: 58.54492657
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus:  None
      Theme_Keyword:  glaciers, Cook Inlet, nawqa, akwrd
    Place:
      Place_Keyword_Thesaurus:  None
      Place_Keyword:  South central Alaska, Cook Inlet basin
    Stratum:
      Stratum_Keyword_Thesaurus:  None
      Stratum_Keyword: None
    Temporal:
      Temporal_Keyword_Thesaurus:  None
      Temporal_Keyword: None
  Access_Constraints:
 
 
   Point_of_Contact: USGS-WRD
 
 
  Use_Constraints:
 
   Since the coverage was created from 1:2,000,000 (DLGs),
   caution should be used if the data are used with relatively small scales.
 
 
 
  Point_of_Contact:
 
  Data_Set_Credit:
 
   Alaska Department of Natural Resources, USGS EROS field office, Anchorage, AK
 
 
  Security_Information:
    Security_Classification_System: None
    Security_Classification:  Unclassified
    Security_Handling_Description: None
  Native_Data_Set_Environment: dgux, 5.4R3.10, AViiON UNIX, ARC/INFO version 7.0.4
 
 Data_Quality_Information:
  Attribute_Accuracy:
    Attribute_Accuracy_Report:  See Entity_Attribute_Information
    Quantitative_Attribute_Accuracy_Assessment:
      Attribute_Accuracy_Value:  See Explanation
      Attribute_Accuracy_Explanation:
        Attribute accuracy is described, where present, with each
        attribute defined in the Entity and Attribute Section.
  Logical_Consistency_Report:  Polygon and chain-node topology present.
  Completeness_Report:
 
   None
 
 
 
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report:
 
       Unknown.
 
 
      Quantitative_Horizontal_Positional_Accuracy_Assessment:
        Horizontal_Positional_Accuracy_Value: 100 meters
        Horizontal_Positional_Accuracy_Explanation:  Resolution as reported
    Vertical_Positional_Accuracy:
      Vertical_Positional_Accuracy_Report:
 
 
 
  Lineage: See also Supplemental_Information:
   Source_Information:
    Source_Citation:
     Citation_Information:
      Originator:
      Publication_Date:
      Title:
    Source_Scale_Denominator: 2,000,000
    Type_Of_Source_Media:
    Source_Time_Period_of_Content:
      Time_Period_Information:
       Single_Date/Time:
        Calendar_Date:
      Source_Currentness_Reference:
    Source_Citation_Abbreviation:
    Source_Contribution:
   Process_Step:
      Process_Description: APPEND /GREQ/92002/COVERS/GLACIER POLY ALL
      Source_Used_Citation_Abbreviation: None
      Process_Date:  19911130 
      Process_Time:  2314
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
      Process_Description: ARCEDIT /GREQ/92002/COVERS/GLACIER
      Source_Used_Citation_Abbreviation: None
      Process_Date:  19911130 
      Process_Time:  2340
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
      Process_Description: CLEAN GLACIER # 0 1 POLY
      Source_Used_Citation_Abbreviation: None
      Process_Date:  19911130 
      Process_Time:  2353
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
      Process_Description: LABELERRORS GLACIER
      Source_Used_Citation_Abbreviation: None
      Process_Date:  19911130 
      Process_Time:  2353
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
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      Process_Time:  2357
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
      Process_Description: BUILD GLACIER POLY
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      Process_Date:  19911201 
      Process_Time:    ' 2'
      Source_Produced_Citation_Abbreviation: None
   Process_Step:
      Process_Description: LABELERRORS GLACIER
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      Process_Date:  19911201 
      Process_Time:    ' 5'
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   Process_Step:
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   Process_Step:
      Process_Description: PROJECTCOPY COVER /ELIAS/LANDSEL/COVERS/ALASKA_PUB COVER GLACIER
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  Cloud_Cover:                                                                                 
 
 Spatial_Data_Organization_Information:
  Direct_Spatial_Reference_Method:  Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type:  Point
      Point_and_Vector_Object_Count:  132
      SDTS_Point_and_Vector_Object_Type:  String
      Point_and_Vector_Object_Count:  557
      SDTS_Point_and_Vector_Object_Type:  GT-polygon composed of chains
      Point_and_Vector_Object_Count:  132
 
 Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
        Map_Projection:
          Map_Projection_Name:            Albers Conical Equal Area
          Albers_Conical_Equal_Area:
            Standard_Parallel:             55
            Standard_Parallel:             55
            Longitude_of_Central_Meridian: -154
            Latitude_of_Projection_Origin:             50
            False_Easting:  0.00000
            False_Northing:  0.00000
        Planar_Coordinate_Information:
         Planar_Coordinate_Encoding_Method: coordinate pair
         Coordinate_Representation:
           Abscissa_Resolution: 1.0
           Ordinate_Resolution: 1.0
         Planar_Distance_Units: METERS
    Geodetic_Model:
      Horizontal_Datum_Name: Unknown
      Ellipsoid_Name:  Clarke 1866
      Semi-major_Axis: 6378206.4
      Denominator_of_Flattening_Ratio: 294.98
 
 Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label:  NAWQA_GLAC.PAT
      Entity_Type_Definition:  Polygon attribute table
      Entity_Type_Definition_Source:  Digital line graphs
    Attribute:
      Attribute_Label:  -
      Attribute_Definition:  Polygon attribute table
      Attribute_Definition_Source:  Digital line graphs
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  -
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  AREA
      Attribute_Definition:  Area of poly/region in square coverage units
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Positive real numbers
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  PERIMETER
      Attribute_Definition:  Perimeter of poly/region in coverage units
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Positive real numbers
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  NAWQA_GLAC#
      Attribute_Definition:  Internal feature number
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  NAWQA_GLAC-ID
      Attribute_Definition:  User-assigned feature number
      Attribute_Definition_Source:  User-defined
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  MAJ
      Attribute_Definition:  MAJ is an indicator as to whether or not the polygon is a glacier
      Attribute_Definition_Source:  Alaska Department of Natural Resources
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  If MAJ = 40, polygon is a glacier. If not 40, polygon is not a glacier
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Entity_Type:
      Entity_Type_Label:  NAWQA_GLAC.AAT
      Entity_Type_Definition:  Arc attribute table
      Entity_Type_Definition_Source:  Digital line graphs
    Attribute:
      Attribute_Label:  -
      Attribute_Definition:  Arc attribute table
      Attribute_Definition_Source:  Digital line graphs
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  -
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  FNODE#
      Attribute_Definition:  Internal number of from-node
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  TNODE#
      Attribute_Definition:  Internal number of to-node
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  LPOLY#
      Attribute_Definition:  Internal number of poly to left of arc
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  RPOLY#
      Attribute_Definition:  Internal number of poly to right of arc
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  LENGTH
      Attribute_Definition:  Length of arc in coverage units
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Positive real numbers
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  NAWQA_GLAC#
      Attribute_Definition:  Internal feature number
      Attribute_Definition_Source:  Computed
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Sequential unique positive integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  NAWQA_GLAC-ID
      Attribute_Definition:  User-assigned feature number
      Attribute_Definition_Source:  User-defined
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  Integer
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
    Attribute:
      Attribute_Label:  ARC_ON
      Attribute_Definition:  ARC_ON refers to arcs added to large glaciers
      Attribute_Definition_Source:  Alaska Department of Natural Resources
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value:  ARC_ON = 0 refers to added arcs
          Enumerated_Domain_Value_Definition:
          Enumerated_Domain_Value_Definition_Source:
  Overview_Description:
    Entity_and_Attribute_Overview:
 
     Standard items are contained in the polygon attribute table with the exception
     of the item MAJ. If MAJ = 40, the polygon is a glacier. If MAJ is not 40, the
     polygon is not a glacier. Standard items are contained in the arc attribute
     table with the exception of the item ARC_ON. If ARC_ON = 1, the arc was
     added to reduce the size of the glacier. If ARC_ON =  0, the arc was not
     added.
 
 
    Entity_and_Attribute_Detail_Citation: Not Available
 
 Distribution_Information:
  Distributor:
   Contact_Information:
    Contact_Person_Primary:
      Contact_Person: Tim Brabets
      Contact_Organization: USGS-WRD
    Contact_Position: Hydrologist
    Contact_Address:
      Address_Type: mailing address
      Address: 4230 University Drive, Suite 201
      City: Anchorage
      State_or_Province: AK
      Postal_Code: 99508
      Country: USA
    Contact_Voice_Telephone: 907-786-7105
    Contact_Facsimile_Telephone: 907-786-7150
    Contact_Electronic_Mail_Address: tbrabets@usgs.gov
    Hours_of_Service: 8:00 - 4:30 AST
  Resource_Description: Alaska Geospatial Data Clearinghouse
  Distribution_Liability: No liability is assumed
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ARCG ARC/INFO Generate format
        Format_Version_Number: 7.0.4
        File_Decompression_Technique: gzip
      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: <URL:ftp://agdc.usgs.gov/pub/usgs/water/nawqa_glac1.tar.gz>
    Fees: Free

 
 Metadata_Reference_Information:
  Metadata_Date: 19980227
  Metadata_Contact:
 
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version:  19940608
  Metadata_Time_Convention:  Local Time
  Metadata_Security_Information:
    Metadata_Security_Classification_System:  None
    Metadata_Security_Classification:  Unclassified
    Metadata_Security_Handling_Description:  None
