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nv_dunes

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Nevada Natural Heritage Program
Publication_Date: Unknown
Title: nv_dunes
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: <http://heritage.nv.gov/gis/gis.htm#sandunes>
Description:
Abstract:
When complete, these data will include all sand dune features depicted on current 1:100,000 topographic maps, plus some major features depicted only on 1:24,000 topographic maps.
Purpose: data not available
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1967
Ending_Date: 1997
Currentness_Reference: publication date
Status:
Progress: In work
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -119.724345
East_Bounding_Coordinate: -112.698977
North_Bounding_Coordinate: 41.751940
South_Bounding_Coordinate: 34.472412
Keywords:
Theme:
Theme_Keyword_Thesaurus: unknown
Theme_Keyword: Sand Dunes
Place:
Place_Keyword: Nevada
Access_Constraints: data not available
Use_Constraints: data not available
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Nevada Natural Heritage Program
Contact_Address:
Address_Type: mailing and physical address
Address:
Department of Conservation and Natural Resources, 1550 East College Parkway, Suite 137
City: Carson City
State_or_Province: Nevada
Postal_Code: 89706-7921
Country: USA
Contact_Voice_Telephone: 775.687.4245
Contact_Facsimile_Telephone: 775.687.1288
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 8.2.0.700

Data_Quality_Information:
Lineage:
Process_Step:
Process_Description:
Compilation began by on-screen capture of sand dune areas depicted in the 1998 Nevada GAP Land Cover 30-m grid data. The 1:100,000 DRG topographic maps covering Nevada were then reviewed on-screen in series from south to north and from east to west. Boundaries of GAP-indicated features were refined, and all other mapped dune features were digitized on-screen and attributed. In some cases, major known dune features were captured and/or further refined using 1:24,000 DRG topographic maps.
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: D:\NevadaDataBrowser\lc_misc\nv_dunes\metadata.xml

Spatial_Data_Organization_Information:
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: 132
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Label point
Point_and_Vector_Object_Count: 132
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 136
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 4

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Albers Conical Equal Area
Albers_Conical_Equal_Area:
Standard_Parallel: 29.500000
Standard_Parallel: 45.500000
Longitude_of_Central_Meridian: -96.000000
Latitude_of_Projection_Origin: 23.000000
False_Easting: 0.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.002048
Ordinate_Resolution: 0.002048
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: nv_dunes
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: MAPYEAR
Attribute_Definition: Area of feature in internal units squared.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Positive real numbers that are automatically generated.
Attribute:
Attribute_Label: DUNE_NAME
Attribute_Definition: Perimeter of feature in internal units.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Positive real numbers that are automatically generated.
Attribute:
Attribute_Label: AREA
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: ACRES
Attribute_Definition: User-defined feature number.
Attribute_Definition_Source: ESRI
Attribute:
Attribute_Label: HECTARES
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy_Explanation: year the features on the source map were last field-checked
Attribute:
Attribute_Label: PERIMETER
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy_Explanation:
name of dune feature or dune system as mapped or as assigned by the Nevada Natural Heritage Program
Attribute:
Attribute_Label: ACRES
Attribute:
Attribute_Label: HECTARES

Distribution_Information:
Resource_Description: Downloadable Data
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Transfer_Size: 0.431

Metadata_Reference_Information:
Metadata_Date: 20050222
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Nevada Natural Heritage Program
Contact_Person: unknown
Contact_Address:
Address_Type: mailing and physical address
Address:
Department of Conservation and Natural Resources, 1550 East College Parkway, Suite 137
City: Carson City
State_or_Province: Nevada
Postal_Code: 89706-7921
Country: USA
Contact_Voice_Telephone: (775) 687-4245
Contact_Facsimile_Telephone: (775) 687-1288
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

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