Identification Information:
Citation:
Citation Information:
Originator: Alberta Geological Survey
Originator: Pawlowicz, J.G.
Originator: Fenton, M.M.
Originator: Andriashek, L.D.
Publication Date: 2007
Title: Bedrock thalwegs, 1:2 000 000 scale (GIS data, line features)
Edition: v.3
Geospatial Data Presentation Form: vector digital data
Series Information:
Series Name: Digital Data
Issue Identification: DIG 2007-0026
Publication Information:
Publication Place: Edmonton, Alberta, Canada
Publisher: Alberta Geological Survey
Online Linkage: http://www.ags.gov.ab.ca/publications/DIG/ZIP/DIG_2007_0026.zip
Description:
Abstract:
This data set is an updated, GIS version of part of the Alberta Geological Survey's published Map No. 226, which in turn is a regional synthesis of various published and unpublished maps. The data represent the locations of thalwegs (paleo-channels) incised in the bedrock surface.
Purpose: For depicting the thalwegs of paleo-drainage systems at a 1:2 000 000 scale.
Supplemental Information:
The southern part of the province, from 49 to 56 degrees North, was primarily compiled from existing 1:250 000 bedrock topography maps. The interpretation of the remaining northern portion of the province was based mostly on limited borehole data and information from existing 1:250 000 hydrogeological maps.
Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: 199508
Ending Date: 2003
Currentness Reference: last update
Status:
Progress: Complete
Maintenance and Update Frequency: As needed
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -120
East Bounding Coordinate: -110
North Bounding Coordinate: 60
South Bounding Coordinate: 49
Keywords:
Theme:
Theme Keyword Thesaurus: none
Theme Keyword: bedrock topography
Theme Keyword: gis data
Theme Keyword: thalwegs
Place:
Place Keyword Thesaurus: Not defined.
Place Keyword: 72e
Place Keyword: 72l
Place Keyword: 72m
Place Keyword: 73d
Place Keyword: 73e
Place Keyword: 73l
Place Keyword: 73m
Place Keyword: 74d
Place Keyword: 74e
Place Keyword: 74l
Place Keyword: 74m
Place Keyword: 82g
Place Keyword: 82h
Place Keyword: 82i
Place Keyword: 82j
Place Keyword: 82n
Place Keyword: 82o
Place Keyword: 82p
Place Keyword: 83a
Place Keyword: 83b
Place Keyword: 83c
Place Keyword: 83d
Place Keyword: 83e
Place Keyword: 83f
Place Keyword: 83g
Place Keyword: 83h
Place Keyword: 83i
Place Keyword: 83j
Place Keyword: 83k
Place Keyword: 83l
Place Keyword: 83m
Place Keyword: 83n
Place Keyword: 83o
Place Keyword: 83p
Place Keyword: 84a
Place Keyword: 84b
Place Keyword: 84c
Place Keyword: 84d
Place Keyword: 84e
Place Keyword: 84f
Place Keyword: 84g
Place Keyword: 84h
Place Keyword: 84i
Place Keyword: 84j
Place Keyword: 84k
Place Keyword: 84l
Place Keyword: 84m
Place Keyword: 84n
Place Keyword: 84o
Place Keyword: 84p
Place Keyword: alberta
Access Constraints: Public
Use Constraints:
Acknowledgement of the Alberta Energy Regulator/Alberta Geological Survey as the originator/source of this information is required as described in the Open Government License - Alberta.
Point of Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alberta Geological Survey
Contact Person: Publications and Marketing Advisor
Contact Position: Publications and Marketing Advisor
Contact Address:
Address Type: mailing and physical
Address: Alberta Energy Regulator
Address: 4th Floor, Twin Atria Building
Address: 4999-98 Avenue NW
City: Edmonton
State or Province: Alberta
Postal Code: T6B 2X3
Country: Canada
Contact Voice Telephone: (780) 422-1927
Contact Facsimile Telephone: (780) 422-1918
Contact Electronic Mail Address: AGS-Info@aer.ca
Hours of Service: 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:30 p.m.
Data Set Credit: E.J.Waters
Native Data Set Environment: Microsoft Windows 2000 Version 5.0 (Build 2195) Se
Cross Reference:
Citation Information:
Originator: Alberta Energy and Utilities Board
Originator: Alberta Geological Survey
Originator: Pawlowicz, J.G.
Originator: Fenton, M.M.
Publication Date: 1995
Title: Bedrock topography of Alberta
Geospatial Data Presentation Form: map
Series Information:
Series Name: Map
Issue Identification: MAP 226
Publication Information:
Publication Place: Edmonton, Alberta
Publisher: Alberta Geological Survey, Alberta Energy and Utilities Board
Other Citation Details: Scale 1:2000000.
Online Linkage: http://www.ags.gov.ab.ca/publications
Data Quality Information:
Positional Accuracy:
Horizontal Positional Accuracy:
Horizontal Positional Accuracy Report: No formal accuracy check completed; digital accuracy estimated at +/- 5 km.
Lineage:
Process Step:
Process Description:
Digital MCAD files of elevation contours were exported to DXF format using Canvas 3.5.5 and CorelDraw 8.0, imported into ArcInfo 7.2, then georeferenced using the Arc TRANSFORM command. Line features were tagged with paleo-channel names using ArcInfo 7.2 and/or ArcView 3.2a.
Process Date: 2002
Process Step:
Process Description:
Thalweg locations refined using Viewlog software to display raster bedrock topography and edit contours.
Process Date: 2003
Logical Consistency Report: Arcs are digitized in the paleoflow direction of the channel.
Completeness Report: Coverage of the dataset does not include the Rocky Mountains or Foothills part of the province.
Spatial Data Organization Information:
Direct Spatial Reference Method: Vector
Point and Vector Object Information:
SDTS Terms Description:
SDTS Point and Vector Object Type: String
Point and Vector Object Count: 274
SDTS Terms Description:
SDTS Point and Vector Object Type: Point
Point and Vector Object Count: 4
Spatial Reference Information:
Horizontal Coordinate System Definition:
Geographic:
Latitude Resolution: 0.000000
Longitude Resolution: 0.000000
Geographic Coordinate Units: Decimal degrees
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: thalweg_ln_ll
Attribute:
Attribute Label: NAME
Attribute Definition: Name of the paleo-channel
Attribute Definition Source: AGS
Distribution Information:
Distributor:
Contact Information:
Contact Organization Primary:
Contact Organization: Alberta Geological Survey
Contact Person: Publications and Marketing Advisor
Contact Position: Publications and Marketing Advisor
Contact Address:
Address Type: mailing and physical
Address: Alberta Energy Regulator
Address: 4th Floor, Twin Atria Building
Address: 4999-98 Avenue NW
City: Edmonton
State or Province: Alberta
Postal Code: T6B 2X3
Country: Canada
Contact Voice Telephone: (780) 422-1927
Contact Facsimile Telephone: (780) 422-1918
Contact Electronic Mail Address: AGS-Info@aer.ca
Hours of Service: 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:30 p.m.
Distribution Liability:
The Alberta Energy Regulator/Alberta Geological Survey (AER/AGS) licenses this information under the Open Government License - Alberta. Any references to proprietary software in our documentation, and/or any use of proprietary data formats in our releases, do not constitute endorsement by the AER/AGS of any manufacturer's product.
Metadata Reference Information:
Metadata Date: 20131107
Metadata Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alberta Geological Survey
Contact Person: Publications and Marketing Advisor
Contact Position: Publications and Marketing Advisor
Contact Address:
Address Type: mailing and physical
Address: Alberta Energy Regulator
Address: 4th Floor, Twin Atria Building
Address: 4999-98 Avenue NW
City: Edmonton
State or Province: Alberta
Postal Code: T6B 2X3
Country: Canada
Contact Voice Telephone: (780) 422-1927
Contact Facsimile Telephone: (780) 422-1918
Contact Electronic Mail Address: AGS-Info@aer.ca
Hours of Service: 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:30 p.m.
Metadata Standard Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version: FGDC-STD-001-1998
Metadata Time Convention: local time
Metadata Access Constraints: none
Metadata Use Constraints: none