Layer Abstract

The Antimeridian is the 180 degree line of longitude, exactly opposite the Prime Meridian. It is often used as the basis for the International Date Line because it passes for the most part through the open waters of the Pacific Ocean. However, this is a simplification of the actual IDL, which curtails several countries.

Server Abstract

The National Snow and Ice Data Center (NSIDC) Antarctic Cryosphere Access Portal (A-CAP) is a map server that provides data and information pertinent to the frozen regions of the Antarctic ice sheet and the Southern Ocean, including monthly climatologies of sea ice extent and concentration, ice sheet elevation and accumulation, satellite imagery, and more. In addition to providing map images and source data through Open Geospatial Consortium, Inc. (OGC) protocols--Web Map Service (WMS), Web Feature Service (WFS), and Web Coverage Service (WCS)--a dynamic Web interface for exploring these data is also available at http://nsidc.org/agdc/acap/. If you have questions, comments or suggestions, please contact NSIDC User Services at +1.303.492.6199 or nsidc@nsidc.org.

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Coordinate Reference Systems

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