Terrain data

This service uses a variety of digital terrain models (DTM) and digital surface models (DSM) to provide global coverage up to 60N and accuracy of up to 1 metre.

Source Description

SRTM2 90m

Global coverage up to 60N is provided by Shuttle Radar Topography Mission, version 2, data from NASA. It was created in 2000 and has a resolution of 90m.

SRTM2 30m

For the USA a higher resolution version of SRTM2 is available. It was created in 2000 and has a resolution of 30m.

AW3D 30m

Global coverage up to 60N is provided by ALOS global digital surface model © JAXA. It was created in 2014 and has a resolution of 30m.
http://www.eorc.jaxa.jp/ALOS/en/aw3d30/index.htm

Viewfinder Panoramas

High altitude regions such as Greenland, Northern Norway and the Svalbard islands have been created at 90m resolution from mapping by Jonathan de Ferranti http://viewfinderpanoramas.org/

LIDAR

High resolution tiles mapped by plane and drone have resolutions ranging from 1-8m and are added for select areas. Currently UK, New York, Los Angeles, San Francisco, San Diego

NZ 8m DTM

Sourced from LINZ. CC-BY 3.0. http://www.linz.govt.nz/data/licensing-and-using-data/attributing-elevation-or-aerial-imagery-data