# 그림:Earth surface NGDC 2000.jpg

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Surface of the Earth, Revised March 2000

World Data Center for Marine Geology & Geophysics, Boulder

NGDC DATA ANNOUNCEMENT NUMBER: 00-MGG-05

This image was generated from digital data bases of land and sea-floor elevations on a 2-minute latitude/longitude grid (1 minute of latitude = 1 nautical mile, or 1.853 km). Assumed illumination is from the west; shading is computed as a function of the east-west slope of the surface with a nonlinear exaggeration favoring low-relief areas. A Mercator projection was used for the world image, which spans 390° of longitude from 270° West around the world eastward to 120° East; latitude coverage is ±80°. The resolution of the gridded data varies from true 2-minute for the Atlantic, Pacific, and Indian Ocean floors and all land masses to 5 minutes for the Arctic Ocean floor.

See also: For detailed regional maps see: http://www.ngdc.noaa.gov/mgg/image/2minrelief.html

Source: converted from http://www.ngdc.noaa.gov/mgg/image/images/g01929-pos-a0001.pdf

19.6 MB PDF from http://www.ngdc.noaa.gov/mgg/fliers/00mgg05.html

Source: English Wikipedia, 1 April 2005 by SEWilco

| This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration. |

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