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Metadata for DEM7_5

Table of Contents

Identification_Information
     Abstract 
     Purpose 
     Supplemental Information 
Data_Quality_Information
Spatial_Data_Organization_Information
Entity_and_Attribute_Information
     Detailed Description
     Overview 
Distribution_Information
Metadata_Reference_Section


Identification_Information

Citation_Information Originator: USGS Publication_Date: 1998 Title: 7.5 Minute DEM Edition: 2 Geospatial_Data_Presentation_Format: grid/raster

Description Abstract This dataset contains a 30-meter resolution ARC/INFO lattice of a Missouri county with a 1000-meter buffer. Purpose Generally used for coarse topographic planning, surface analysis, and/or hydrological analysis. Supplemental_Information Procedures_Used The necessary quadrangles for the county were determined and merged to produce this county-level DEM. NULL-cell and anomalous values were eliminated through nearest-neighborhood procedures. Revisions na Reviews_Applied_to_Data Reviewed by James D. Harlan March 2000 Related_Spatial_and_Tabular_Data_Sets na References_Cited United States Geological Survey National Mapping Program Technical Instructions Data Users Guide #5 Digital Elevation Models Notes none Time_Period_of_Content Range_of_Dates/Times Beginning_Date: 1998 Ending_Date: 2000 Currentness_Reference 1998 Status Progress: complete Maintenance_and_Update_Frequency Yet to be determined Spatial_Domain Bounding_Coordinates West_Bounding_Coordinate: -91.23625836 East_Bounding_Coordinate: -90.64245557 North_Bounding_Coordinate: 37.11298007 South_Bounding_Coordinate: 36.79931874

Keywords Theme Theme_Keyword_Thesaurus: None Theme_Keyword: 30-meter DEMs of Missouri Counties Place Place_Keyword_Thesaurus: None Place_Keyword: Counties of the State of Missouri Stratum Stratum_Keyword_Thesaurus: None Stratum_Keyword: Temporal Temporal_Keyword_Thesaurus: None Temporal_Keyword:

Access_Constraints none Use_Constraints Some problems may be encountered along boundaries of quadrangle tiles. These problems exist because of the varying data values entered when the quadrangles were created. Point_of_Contact: See Distribution_Information for contact information.

Data_Set_Credit Geographic Resources Center Department of Geography University of Missouri-Columbia Security_Information Security_Classification_System: None Security_Classification: UNCLASSIFIED Security_Handling_Description: None

Native_Data_Set_Environment: Windows_NT Windows_NT, ARC/INFO version 8.0.1

Cross_Reference Originator: United States Geological Survey Publication_Date: 1998 Publication_Time: Title: 7.5 minute digital elevation data Edition: 2 Geospatial_Data_Presentation_Form: grid/raster Series_Information Series_Name: Issue_Identification: Publication_Information Publication_Place: Rolla, MO Publisher: USGS Other_Citation_Details: Online_Linkage: Larger_Work_Citation:


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: Not applicable for raster data.

Completeness_Report complete Positional_Accuracy Horizontal_Positional_Accuracy Horizontal_Positional_Accuracy_Report: Data is based upon USGS 1:24,000 scale quadrangles. Horizontal accuracy depends upon the spacing of the elevation matrix. For 7.5 minute DEMs the resolution is 30 meters which reduces the ability to recover positions of features less than this spacing. The USGS has stated that this dataset will maintain integrity and support a resampling to 10-meter resolution.
Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: 30 meters Horizontal_Positional_Accuracy_Explanation: Resolution as reported
Vertical_Positional_Accuracy Vertical_Positional_Accuracy_Report: Original contour intervals may vary according to the quadrangle as well as spatial resolution, quality of source data, collection and processing procedures and digitizing systems. A vertical RMSE of 7 meters was the target with 15 meters as the maximum permitted. Lineage: See Supplemental_Information for overview.

Process_Steps Process_Step Process_Description: ADMINISTRATOR RENAME TESTLATLAT2 TESTLAT Source_Used_Citation_Abbreviation:None Process_Date: 20000306 Process_Time: 1908 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR DOCUMENT TESTLAT CREATE ADMINIST Source_Used_Citation_Abbreviation:None Process_Date: 20000306 Process_Time: 1944 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR RENAME TESTLAT DEM7_5 Source_Used_Citation_Abbreviation:None Process_Date: 20000307 Process_Time: 1211 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR DOCUMENT DEM7_5 UPDATE ADMINIST Source_Used_Citation_Abbreviation:None Process_Date: 20000307 Process_Time: 1212 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR DOCUMENT DEM7_5 UPDATE ADMINIST Source_Used_Citation_Abbreviation:None Process_Date: 20000307 Process_Time: 1237 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR DOCUMENT DEM7_5 UPDATE ADMINIST Source_Used_Citation_Abbreviation:None Process_Date: 20000307 Process_Time: 1255 Source_Produced_Citation_Abbreviation: None Process_Step Process_Description: ADMINISTRATOR DOCUMENT DEM7_5 UPDATE ADMINIST Source_Used_Citation_Abbreviation:None Process_Date: 20000307 Process_Time: 1417 Source_Produced_Citation_Abbreviation: None

Cloud_Cover na


Spatial_Data_Organization_Information

Direct_Spatial_Reference_Method: Raster
Raster_Object_Information: Raster_Object_Type: Grid Cell Row_Count: 1123 Column_Count: 1739


Spatial_Reference_Information

Horizontal_Coordinate_System_Definition
    Planar
        Grid_Coordinate_System
        Grid_Coordinate_System_Name: Universal_Transverse_Mercator (UTM)
           Zone_Number: 15
        Planar_Distance_Units: METERS
    Geodetic Model
        Horizontal_Datum_Name: North American Datum of 1983
        Ellipsoid_Name:  GRS1980


Entity_and_Attribute_Information

Detailed_Description Entity_Type Entity_Type_Label: Entity_Type_Definition: Entity_Type_Definition_Source: Attribute: Attribute_Label: Attribute_Definition: Attribute_Definition_Source: Attribute_Domain_Values Enumerated_Domain Enumerated_Domain_Value: Enumerated_Domain_Value_Definition Enumerated_Domain_Value_Definition_Source:

Overview_Description Entity_and_Attribute_Overview Value = elevation in feet Entity_and_Attribute_Detail_Citation: Not Available


Distribution_Information


Metadata_Reference_Section

Metadata_Date: 19000307 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: James D. Harlan Contact_Organization: Geographic Resources Center Contact_Position: Assistant Program Director Contact_Address: Address_Type: mailing address Address: #16 Stewart Hall, University of Missouri City: Columbia State_or_Province: MO Postal_Code: 65211 Country: USA Contact_Voice_Telephone: 573-882-1404 Contact_Electronic_Mail_Address: harlanj@missouri.edu Hours_of_Service: 8-5 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

Last modified: 00-03-07.14:18:20.Tue