Virginia Civil War Battlefields Wetland Classification Digital Maps

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: U.S. Geological Survey, National Wetlands Research Center

Publication_Date: 19980101

Title:

Virginia Civil War Battlefields Wetland Classification Digital Maps

Geospatial_Data_Presentation_Form: Digital vector data

Publication_Information:

Publication_Place: Lafayette, Louisiana

Publisher: U.S. Geological Survey, National Wetlands Research Center

Description:

Abstract:

This data set consists of wetlands delineations for the Virginia Civil War battlefields (Fredericksburg-Spotsylvania National Military Park).

Purpose:

Conduct wetlands mapping to represent ecological and biological data derived from current aerial photography.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19940312

Ending_Date: 19990101

Currentness_Reference:

Begining date represents date of photography origination and ending date represents completion of scanning and cleaning up of data using ArcView and/or Arcinfo.

Status:

Progress: Complete

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: 77.875

East_Bounding_Coordinate: 77.5

North_Bounding_Coordinate: 38.375

South_Bounding_Coordinate: 38.125

Keywords:

Theme:

Theme_Keyword_Thesaurus: None

Theme_Keyword: Civil War

Theme_Keyword: Maps

Theme_Keyword: Wetlands

Theme_Keyword: GIS

Theme_Keyword: Habitat

Theme_Keyword: Vegetation

Theme_Keyword: Battlefield

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: Virginia

Place_Keyword: Fredericksburg

Place_Keyword: Spotsylvania

Place_Keyword: Wilderness

Access_Constraints:

It is strongly recommended that this data is directly acquired from the distributor described above or from another USGS Biological Resources Division server and not indirectly through other sources which may have changed the data in some way. The distributor makes no claims as to the data's suitability for other purposes.

Use_Constraints:

Acknowledgement of the U.S. Geological Survey, National Wetlands Research Center as a data source would be appreciated in products developed from these data, and such acknowledgment as is standard for citation and legal practices for data source is expected by users of this data. Sharing new data layers developed directly from these data would also be appreciated by NWRC staff. Users should be aware that comparison with other data sets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in mapping conventions, data collection, and computer processes over time. The distributor shall not be liable for improper or incorrect use of this data, based on the description of appropriate/inappropriate uses described in this metadata document. These data are not legal documents and are not to be used as such.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Larry Handley

Contact_Organization: U.S. Geological Survey, National Wetlands Research Center

Contact_Position: Geographer and Principle Investigator

Contact_Address:

Address_Type: mailing and physical address

Address: 700 Cajundome Blvd

City: Lafayette

State_or_Province: Louisiana

Postal_Code: 70506

Country: USA

Contact_Voice_Telephone: 337-266-8696

Contact_Facsimile_Telephone: 337-266-8616

Contact_Electronic_Mail_Address: larry_handley@usgs.gov

Hours_of_Service: 8:00 a.m. to 4:00 p.m. Monday Through Friday

Data_Set_Credit:

The U.S. Geological Survey, National Wetlands Research Center would like to acknowledge the National Park Service for their assistance in the ground truthing process.

Security_Information:

Security_Classification_System: None

Security_Classification: None

Security_Handling_Description: None

Native_Data_Set_Environment: ArcInfo version 7+ and ArcView version 3.0

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

Interpreted photos were quality checked by two photointerpreters for attribute classification. Field verification was performed for chosen areas of the study. The mylar based maps were checked by cartographic personnel for line and labelworks, following mapping conventions and standards. The digital attribute accuracy is tested by manually comparing hard copy plots of the data with source materials. When attributes cannot be visually verified on plots, they are interactively queried and verified on screen. In addition, the attributes are compared against a master set of valid attributes.

Logical_Consistency_Report:

ARC/INFO software is used to create and maintain topological relationships between features. There are no duplicate features. Polygonal features begin and end at the same point, contain no overshoots or undershoots, and contain one label. Linear features are continuous where appropriate,i.e., dangling arcs are removed if they are not required.

Completeness_Report:

For cartographic process, accordance with nationally accepted mapping standards and conventions were followed. Processing of digital data follows conventions and standard methodologies for the time period and within limitations of available workstation equipment at the date of data development.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Horizontal positional accuracy is tested by visual comparison of hard copy check plots to the source materials and verifying the location of the data on-screen relative to other data layers in the same geographic area.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: USGS/ NMD

Publication_Date: 19940312

Title: NAPP

Geospatial_Data_Presentation_Form: Remote-Sensing Image

Publication_Information:

Publication_Place: Sioux Falls, SD

Publisher: USGS Mapping Division

Source_Scale_Denominator: 40000

Type_of_Source_Media: stable-base material

Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 19940312

Source_Currentness_Reference: Source Photography Date

Source_Citation_Abbreviation: NAPP

Source_Contribution: Primary source for photointerpretation of wetlands habitat

Source_Information:

Source_Citation:

Citation_Information:

Originator: USGS NMD

Publication_Date: 19830101

Title:

USGS Topgraphic Quadrangles, standard 7.5 minute series maps

Geospatial_Data_Presentation_Form: Map

Series_Information:

Series_Name: Virginia Index to topographic and other map coverages

Issue_Identification: Unknown

Publication_Information:

Publication_Place: Reston, VA

Publisher: USGS NMD

Source_Scale_Denominator: 24000

Type_of_Source_Media: paper

Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19830101

Ending_Date: 19920101

Source_Currentness_Reference: Source Map Date

Source_Citation_Abbreviation: QUAD

Source_Contribution: Provided basemaps for wetland delineation information.

Process_Step:

Process_Description:

Aerial photography was acquired for the project area. Following a ground truthing exercise, the photos were then interpreted according to their wetland habitats; a Bausch Lomb stereoscope was using for the photointerpretation process at a 10x magnification. The delineated data was then transferred to base maps using a Zoom Transfer Scope; this process removes any distortion from the image. In all of these processes, the product is throughly scrutinized using standard operating procedures for quality control and assessment. The mylar overlays were then digitized using an Altek Datatab digitizer. Four control points corresponding to the four corners of the quadrangle were used for registration during data collection. Cover type features continuing onto adjacent quadrangles were adjusted to intersect the quad boundary at a commom, coincident node. Attributes were assigned during either the digitizing or editing stages.

Process_Date: 19980101

Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Larry Handley

Contact_Organization:

U.S. Geological Survey, National Wetlands Research Center

Contact_Position: Geographer and Principle Investigator

Contact_Address:

Address_Type: mailing and physical address

Address: 700 Cajundome Blvd

City: Lafayette

State_or_Province: Louisiana

Postal_Code: 70506

Country: USA

Contact_Voice_Telephone: 337-266-8696

Contact_Facsimile_Telephone: 337-266-8616

Contact_Electronic_Mail_Address: larry_handley@usgs.gov

Hours_of_Service: 8:00 a.m. to 4:00 p.m. Monday Through Friday

Spatial_Data_Organization_Information:

Indirect_Spatial_Reference:

The Civil War Battlefields located in the Fredericksburg-Spotsylvania National Military Park

Direct_Spatial_Reference_Method: Vector

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: Universal Transverse Mercator

Universal_Transverse_Mercator:

UTM_Zone_Number: 18

Transverse_Mercator:

Longitude_of_Central_Meridian: -75

Latitude_of_Projection_Origin: 0

False_Easting: 500000

False_Northing: 0

Scale_Factor_at_Central_Meridian: .9996

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: Coordinate Pair

Coordinate_Representation:

Abscissa_Resolution: .61

Ordinate_Resolution: .61

Planar_Distance_Units: Meters

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1983(NAD83)

Ellipsoid_Name: Geodetic Reference System 80

Semi-major_Axis: 6378137

Denominator_of_Flattening_Ratio: 298.257

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Wetland Habitat Polygons and Linear Features

Entity_Type_Definition:

Wetlands are lands transitional between terrestrial and aquatic systems where the water table is usually at or near the surface of the land or is covered by shallow water.

Entity_Type_Definition_Source:

Cowardin, Lewis M., Virginia Carter, Francis Goblet, and Edward T. LaRoe. Classification of Wetlands and Deepwater Habitats of the United States. United States Fish and Wildlife Service. Biological Services Program; FWS/OBS-79/31.

Attribute:

Attribute_Label: DATA

Attribute_Definition:

The wetland classification system is hierarchical, with wetlands and deepwater habitat divided among 5 major systems at the broadest level. The five systems include Marine, Estarine, Riverine, Lacustrine, and Palustrine. These systems are further divided into sybsytems which reflect hydrologic conditions. Below the subsystems are classes and subclasses describing vegetation or substrate, and modifiers relating to hydrology, soils, water chemistry, and man's activities.

Attribute_Definition_Source:

Cowardin, Lewis M., Virginia Carter, Francis Goblet, and Edward T. LaRoe. Classification of Wetlands and Deepwater Habitats of the United States. United States Fish and Wildlife Service. Biological Services Program; FWS/OBS-79/31. 103pp.

Attribute_Domain_Values:

Codeset_Domain:

Codeset_Name: Cowardin, et al., Wetlands Classification Scheme

Codeset_Source:

Cowardin, Lewis M., Virginia Carter, Francis Goblet, and Edward T. LaRoe. Classification of Wetlands and Deepwater Habitats of the United States. United States Fish and Wildlife Service. Biological Services Program; FWS/OBS-79/31. 103pp.

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 90% accuracy, 10% error

Attribute_Value_Accuracy_Explanation:

Field verification was completed to compare actual habitat with classifications to determine degree of accuracy.

Distribution_Information:

Distributor:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Bill Slocumb

Contact_Organization: North Carolina State University

Contact_Position: Research Associate/GIS Specialist

Contact_Address:

Address_Type: mailing address

Address: Campus Box 7106

City: Raleigh

State_or_Province: North Carolina

Postal_Code: 27695

Country: USA

Contact_Voice_Telephone: 919-515-3432

Contact_Facsimile_Telephone: 919-515-3439

Contact_Electronic_Mail_Address: Bill_Slocumb@ncsu.edu

Resource_Description: Virigina Civil War Battlefield's Wetland Classification Maps

Distribution_Liability:

Although these data have been processed successfully on a computer system at the U. S. Geological Survey, National Wetlands Research Center, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is strongly recommended that these data are directly acquired from a Biological Resources Division server, and not indirectly through other sources which may have changed the data in some way. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. NWRC shall not be held liable for improper or incorrect use of the data described and/or contained herein. So, these data are provided "as is" and without any express or implied warranties, including, without limitation, the implied warranties or merchantability and fitness for a particular purpose. Also, use of trade names or commercial products in this metadata is solely for the purpose of providing specific information, and does not imply recommendation or endorsement by the US Government. Any downloading and use of these data signifies a user's agreement to comprehension and compliance of the NWRC Standard Disclaimer. Insure all portions of metadata are read and clearly understood before using these data in order to protect both user and NWRC interests.

Metadata_Reference_Information:

Metadata_Date: 19990506

Metadata_Review_Date: 20030703

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

U.S. Geological Survey, National Wetlands Research Center (NWRC)

Contact_Position: Metadata specialist

Contact_Address:

Address_Type: mailing and physical address

Address: 700 Cajundome Blvd

City: Lafayette

State_or_Province: Louisiana

Postal_Code: 70506

Country: USA

Contact_Voice_Telephone: 337-266-8500

Contact_Facsimile_Telephone: 337-266-8513

Metadata_Access_Constraints: None

Metadata_Use_Constraints:

Acknowledgement of the National Wetlands Research Center as the metadata source would be appreciated. Please cite the original metadata when using portions of the record to create a similar record of slightly altered data, such as reprojection.

Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998