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Landsat 7 Orthorectified Imagery over Canada
Entry ID:
CANADA_GeoGratis_Landsat7Ortho
Summary
Abstract:
The orthoimage data set is a complete set of cloud-free (less than 10%)
orthoimages covering the Canadian landmass and created with the most accurate control data available at the time of creation. The imagery has been corrected with either provincial and aerial triangulation data or, if not available, the most accurate NTDB data. The objective is to obtain accuracy of 30 metres or better in the ... ![]()
Related URL
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
USGS
Dataset Title:
Global Land Cover Characterization Program
Dataset Release Date:
1997-11-01
Dataset Publisher:
USGS
Version:
1.2
Online Resource:
http://landcover.usgs.gov/glcc/
Temporal Coverage
Start Date:
1992-04-01
Stop Date:
1993-03-01
Location Keywords
Science Keywords
Quality
A revised version of the database is available but still requires a full
accuracy assessment.
Access Constraints
None
Use Constraints
There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer.
Ancillary Keywords
Data Set Progress
COMPLETE
Originating Center
Data Center
Distribution
Distribution Media:
Online
Distribution Format:
various
Fees:
No fees
Personnel
Publications/References
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2004-07-16
Last DIF Revision Date:
2012-12-12
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