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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 ...

Related URL

Link: View Related Information

Description: GeoConnections Discovery Portal. Canada's IDN Node.

Geographic Coverage

(Click for Interactive Map)

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/

Location Keywords

CONTINENT > NORTH AMERICA > CANADA

CONTINENT > NORTH AMERICA > CANADA > Alberta

Science Keywords

TERRESTRIAL HYDROSPHERE > GROUND WATER

TERRESTRIAL HYDROSPHERE > SURFACE WATER > HYDROPATTERN

ISO Topic Category

ENVIRONMENT

GEOSCIENTIFIC INFORMATION

IMAGERY/BASE MAPS/EARTH COVER

INLAND WATERS

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

GCMD

Data Set Progress

IN WORK

Originating Center

Data Center

GeoAccess Division, Canada Centre for Remote Sensing, Geomatics Canada, Earth Sciences Sector, Natural Resources Canada

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