1-km Water Fraction From National Topographic Data Base Maps, Canada
Entry ID: Canada_GeoGratis_1kmWatFracNTDB

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Summary
Abstract: This product is a raster coverage representing the fraction of area within each
1km grid cell over Canada's land mass covered by waterbodies, as mapped within
the National Topographic Data Base v3.1. In NTDB, waterbody is defined as area
covered by open water belonging to one of five categories (section 1.5.1). The
product involves negligible errors due to aggregation and ... View entire text
Related URL
Description: GeoConnections Discovery Portal. Canada's IDN Node.
Geographic Coverage
Spatial coordinates   
  N: 84.0   S: 41.5   E: -52.0   W: -141.0

Data Set Citation
Dataset Originator/Creator: Government of Canada, Natural Resources Canada, Canada Centre for Remote Sensing, GeoAccess Division
Dataset Title: 1-km Water Fraction From National Topographic Data Base Maps, Canada
Dataset Release Place: Ottawa, Ontario, Canada
Dataset Publisher: Government of Canada, Natural Resources Canada, Canada Centre for Remote Sensing, GeoAccess Division
Online Resource: http://geogratis.cgdi.gc.ca/download/WaterFraction/
Quality Water fraction coverage proportion scaled from 1 (0%) to 10000 (100%). 'No
data' is represented by 10000 although this will either represent large lakes
or oceans not mapped within the NTDB framework OR land regions not contained
within Canada.
Access Constraints none
Use Constraints Licensing information located at
http://geogratis.cgdi.gc.ca/geogratis/en/index.html copyright
Ancillary Keywords
Data Set Progress
IN WORK
Originating Center
Data Center
GeoAccess Division, Canada Centre for Remote Sensing, Geomatics Canada, Earth Sciences Sector, Natural Resources Canada Supplemental Info
Data Center URL: http://geogratis.cgdi.gc.ca/

Data Center Personnel
Name: GEOGRATIS CLIENT SERVICES
Fax: +01-613-947-2410
Email: info at GeoGratis.cgdi.gc.ca
Contact Address:
615 Booth Street, Room 650
City: Ottawa
Province or State: Ontario
Postal Code: K1A 0E9
Country: Canada
Distribution
Fees: Gratuit-Free
Personnel
Role: TECHNICAL CONTACT
Phone: +01-613-947-1292
Fax: +01-613-947-1383
Email: richard.fernandes at ccrs.nrcan.gc.ca
Contact Address:
588 Booth Street, 4th Floor
City: Ottawa
Province or State: Ontario
Postal Code: K1A 0Y7
Country: Canada
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2002-08-12
Last DIF Revision Date: 2009-05-13
Future DIF Review Date: 2006-06-17
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