Large GIS raster data derived from Natural Earth Data (Cross Blended Hypso wi...

The attached data are some large GIS raster files (GeoTIFFs) made with Natural Earth data. Natural Earth is a free vector and raster map data @ naturalearthdata.com. The data...本次附带的数据为使用自然地球（Natural Earth）数据集制作的大型地理信息系统（Geographic Information System, GIS）栅格文件（GeoTIFFs）。自然地球（Natural Earth）是可通过naturalearthdata.com免费获取的矢量与栅格地图数据集，本次数据……