Glaciers, North America, 2004

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Abstract/Contents

Abstract
This polygon shapefile shows areas of permanent ice found on the North America landmass including Greenland, and also shows areas of land found within glaciers. No distinction is made between major glaciers, ice fields, and the Greenland ice cap. The only permanent ice shown on land areas outside of North America and Greenland is on Iceland. This layer is part of the 1997-2014 edition of the National Atlas of the United States.
Purpose
The North American Atlas data are intended for geographic display and analysis at the national and continental level. The data should be displayed and analyzed at scales appropriate for 1:10,000,000-scale data. No responsibility is assumed by Natural Resources Canada, Instituto Nacional de Estadística Geografía e Informática, or the U.S. Geological Survey in the use of these data.

Description

Type of resource cartographic, software, multimedia
Form Shapefile
Extent 2.477
Publisher Geological Survey (U.S.)
Publication date 2004
Language English
Digital origin born digital
Map data 1:10000000Scale not given. ; Custom projection W 159°34ʹ2ʺ--W 12°9ʹ7ʺ/N 83°34ʹ27ʺ--N 44°39ʹ54ʺ, Scale not given ; EPSG::4326

Creators/Contributors

Creator Instituto Nacional de Estadística, Geografía e Informática (Mexico)
Creator Geological Survey (U.S.)
Creator Canada Centre for Remote Sensing

Subjects

Subject Glaciers
Subject Ice
Subject North America
Subject Greenland
Subject Canada
Subject 2004
Subject Environment
Genre Geospatial data
Genre Cartographic dataset

Bibliographic information

Supplemental information The Commission for Environmental Cooperation (CEC) is an international organization created by Canada, Mexico, and the United States of America under the North American Agreement on Environmental Cooperation (NAAEC). The CEC was established to address regional environmental concerns, help prevent potential trade and environmental conflicts, and to promote the effective enforcement of environmental law. The Agreement complements the environmental provisions of the North American Free Trade Agreement (NAFTA). Further information on the CEC is available from http://www.cec.org/ or from >Commission for Environmental Cooperation >393, rue St-Jacques Ouest >Bureau 200 >Montréal (Québec) >H2Y 1N9 Canada > >Telephone: 514 350 4300 >Facsimile: 514 350 4314 >Electronic mail: info@ccemtl.org > All North American Atlas data sets are available in four data formats: Arc/INFO Export format (e00), ArcView Shapefile, Geography Markup Language (GML) and Spatial Data Transfer Standard (SDTS). Although these data are distributed in geographic coordinates, the North American Atlas Map uses a Lambert Azimuthal Equal Area projection. The following parameters were used for the map: >Longitude_of_Projection_Center: -100.00 >Latitude_of_Projection_Center: 45.00 >False_Easting (metres): 0.0 >False_Northing (metres): 0.0 >Semi-major_Axis: 6370997.0 >Denominator_of_Flattening_Ratio: 1.0 >Ellipsoid_Name: Sphere >Units: metres ; {"gdaId" : 6065773}
WGS84 Cartographics This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location https://purl.stanford.edu/jd094ys1061

Access conditions

Use and reproduction
This item is in the public domain. There are no restrictions on use.
Copyright
This work is in the Public Domain, meaning that it is not subject to copyright.

Preferred citation

Instituto Nacional de Estadística, Geografía e Informática, U.S. Geological Survey, and Canada Centre for Remote Sensing. (2004). Glaciers, North America, 2004. USGS. Available at: http://purl.stanford.edu/jd094ys1061.

Collection

National atlas of the United States of America, 1997-2014

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