Global Maritime Shoreline Database
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C1214613863-SCIOPS.html
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资源简介：
The Global Shoreline Database a GIS database of world international boundaries
and shorelines. The database contains ArcView shapefiles and ArcInfo coverages
in six different scales. The six different scales provide varying degrees of
boundary and coastline detail. The six scales provided are listed below:
1 : 120,000,000
1 : 40,000,000
1 : 12,000,000
1 : 3,000,000
1 : 1,000,000
1 : 250,000
提供机构：
SCIOPS
