EarthWorks Geospatial Catalog

World Sea Ice (VMAP0), 1997

World Sea Ice is a polygon theme representing areas of sea or pack ice throughout the world. Features in this layer have an FACC (Feature and Attribute Coding Catalogue) Code of BJ065, defined as, "Ice Shelf", BJ070, defined as "Pack Ice", or BJ080, defined as "Polar Ice". This dataset is part of the Vector Map Level 0 database. The Vector Map (VMap) Level 0 database represents the third edition of the Digital Chart of the World. VMap Level 0 is a comprehensive 1:1,000,000 scale vector of the world. It consists of cartographic, attribute, and textual data stored on compact disc read only memory (CD-ROM). The primary source for the database is the National Imagery and Mapping Agency's (NIMA) Operational Navigation Chart (ONC) series. This is the largest scale unclassified map series in existence that provides consistent, continuous global coverage of essential basemap features. The data includes major road and rail networks, major hydrologic drainage systems, major utility networks (cross-country pipelines and communication lines), all major airports, elevation contours (1000 foot(ft), with 500ft and 250ft supplemental contours), coastlines, international boundaries and populated places.
National Imagery and Mapping Agency
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