Topographic Position classification

Metadata:
Identification_Information:
Citation:
Citation_Information:
Originator: Joseph A. Bishop
Publication_Date: 1996
Title: Topographic Position classification
Publication_Information:
Publication_Place: University Park, PA
Publisher:
Pennsylvania Gap Analysis Program. Environmental Resources Research Institute, The Pennsylvania State University
Online_Linkage: patopopo
Larger_Work_Citation:
Citation_Information:
Originator: Environmental Resource Research Institute
Publication_Date: 1999
Title: Pennsylvania Gap Analysis Project
Publication_Information:
Publication_Place: University Park, Pa
Publisher: Environmental Resource Research Institute
Description:
Abstract:
This grid layer delineates areas of Pennsylvania based on their topographic form. Several reclassifications of the digital elevation model of the Commonwealth isolated three general physiographic conditions, Valley bottom, Mid-slope and top of ridge.
Purpose:
Dataset was designed to facilitate the interpretation of Pennsylvania's habitat potential for mammals, amphibians and reptiles at a landscape scale.
Supplemental_Information:
Further information about the Pennsylvania Gap Analysis Project at: <http://www.erri.psu.edu/web/projects/gappage.htm>
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1989
Ending_Date: 1993
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Unknown
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -81.00815292
East_Bounding_Coordinate: -74.19768625
North_Bounding_Coordinate: 42.75504061
South_Bounding_Coordinate: 38.87123889
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: conservation gap analysis
Theme_Keyword: topography
Theme_Keyword: elevation slope physiography
Place:
Place_Keyword_Thesaurus: GNIS
Place_Keyword: Pennsylvania
Access_Constraints: none
Use_Constraints:
For use at scales of 1:100,000 or smaller.

For educational/demonstration purposes only. The Originator, Publisher and Distributor exclude any and all implied warranties and make no warranty or representation with respect to the data files or accompanying documentation, including quality, performance, merchantability or fitness for a particular purpose. These data files and documentation are provided "as is" and the User assumes the entire risk as to their quality and performance

These data are not to be redistributed for commercial profit. Reproduction or redistribution of this digital data set without permission of the Originator/Publisher is expressly forbidden. The Originator and Publisher should be clearly cited in any product derived from this data. Any modifications to this data must be described in any digital or hardcopy product derived from this data.

Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Joseph A. Bishop
Contact_Organization: Environmental Resources Research Institute
Contact_Address:
Address_Type: mailing address
Address:
Environmental Resources Research Institute, The Pennsylvania State University, Land and Water Building
City: University Park
State_or_Province: Pennsylvania
Postal_Code: 16802
Country: United States
Contact_Voice_Telephone: 814-863-0291
Contact_Electronic_Mail_Address: jab190@psu.edu
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
No attempt has been made to verify attribute accuracy. Accuracy corresponds to the accuracy of the DEM created from the USGS National Elevation Database
Logical_Consistency_Report:
Gridded dataset. Elevation values for DEM are 30 meters resolution.
Completeness_Report: All areas of Pennsylvania included in reclassification of DEM.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report: Positional accuracy corresponds to National Elevation Database.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Pennsylvania Bureau of Topographic and Geologic Survey
Publication_Date: 1995
Title: Physiographic Provinces 1:100,000
Edition: Version 1
Publication_Information:
Publication_Place: Harrisburg, PA
Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
Online_Linkage: paphysprov
Source_Scale_Denominator: 100000
Type_of_Source_Media: online
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1995
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: Physprov
Source_Contribution: physiographic information
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey (USGS), EROS Data Center
Publication_Date: 1999
Title: National Elevation Dataset for Pennsylvania
Edition: 1
Publication_Information:
Publication_Place: Sioux Falls, SD
Publisher: U.S. Geological Survey
Online_Linkage: padem
Source_Scale_Denominator: 24000
Type_of_Source_Media: online
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19990201
Ending_Date: 19990824
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: dem
Source_Contribution: elevation data
Process_Step:
Process_Description:
The first class was isolated by the SLOPE command of the Spatial Analyst. All slopes greater than, or equal to, 15 percent were grouped into this class. The Physiographic Provinces data layer was included to help identify the next two classes. Pennsylvania was subdivided into five zones based on similar physiographic conditions among the provinces. Within each zone the DEM was used to help locate a natural divide between ridge top and valley bottom conditions. Each zone could then be divided into these classes.
Source_Used_Citation_Abbreviation: physprov, dem
Process_Date: 1999
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Joseph A. Bishop
Contact_Organization: Environmental Resources Research Institute
Contact_Address:
Address_Type: mailing address
Address:
Environmental Resources Research Institute, The Pennsylvania State University, Land and Water Building
City: University Park
State_or_Province: Pennsylvania
Postal_Code: 16802
Country: United States
Contact_Voice_Telephone: 814-863-0291
Contact_Electronic_Mail_Address: jab190@psu.edu
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: grid cell
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Lambert Conformal Conic
Lambert_Conformal_Conic:
Standard_Parallel: 33
Standard_Parallel: 45
Longitude_of_Central_Meridian: -96
Latitude_of_Projection_Origin: 39
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: Coordinate Pair
Coordinate_Representation:
Abscissa_Resolution: 30
Ordinate_Resolution: 30
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1927
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6378206
Denominator_of_Flattening_Ratio: 294.9786982
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: topographic position
Entity_Type_Definition: grid cell value
Attribute:
Attribute_Label: topographic position
Attribute_Definition: Classification for topographic form
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: Valley Bottom
Enumerated_Domain:
Enumerated_Domain_Value: 2
Enumerated_Domain_Value_Definition: Mid-Slope (GE 15% slope)
Enumerated_Domain:
Enumerated_Domain_Value: 3
Enumerated_Domain_Value_Definition: Top of Ridge
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Pennsylvania Spatial Data Access (PASDA)
Contact_Address:
Address_Type: mailing address
Address: Land and Water Research Building
City: University Park
State_or_Province: PA
Postal_Code: 16802
Country: USA
Contact_Voice_Telephone: 814-863-0104
Contact_Electronic_Mail_Address: pasda@psu.edu
Resource_Description: patopopo
Distribution_Liability:
The User shall save the Commonwealth and the Pennsylvania State University harmless from any suits, claims or actions arising out of the use of the data files or accompanying documentation, or arising out of any defect in the data files or accompanying documentation. The Commonwealth and the Pennsylvania State University excludes any and all implied warranties and makes no warranty or representation with respect to the data files or accompanying documentation, including quality, performance, merchantability, or fitness for a particular purpose. These data files and documentation are provided AS IS and the User assumes the entire risk as to their quality and performance.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcInfo GRID
Format_Version_Number: 7
Digital_Transfer_Option:
Online_Option:
Access_Instructions: For more information: <http://www.pasda.psu.edu>
Fees: none
Metadata_Reference_Information:
Metadata_Date: 20000217
Metadata_Review_Date: 20000329
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Pennsylvania Spatial Data Access
Contact_Person: Christopher Pfeiffer
Contact_Position: Metadata Coordinator
Contact_Address:
Address_Type: mailing address
Address: 141 Land and Water Research Building
City: University Park
State_or_Province: PA
Postal_Code: 16802
Country: USA
Contact_Voice_Telephone: 814-865-8792
Contact_Facsimile_Telephone: 814-865-3378
Contact_Electronic_Mail_Address: cxp7@psu.edu
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Generated by mp version 2.5.2 on Fri Apr 7 09:14:10 2000