The sixth release of the ArcticDEM initiative adds 32 percent more terrain data, mostly in Russia and Scandinavia. ArcticDEM provides a two-metre-resolution digital elevation model for arctic regions north of the 60th parallel, plus those bits of Alaska, Greenland and the Kamchatka Peninsula south of 60. The final product is due out next year. More at Earth & Space Science News. [GIS and Science]