Map data server


We are upgrading our map data server to provide greater functionality and data download capacity.  The site is down while we upgrade — we apologize for the inconvenience.


FTP data server

The links below take you to our anonymous FTP server.

Map data focused on disturbance

Year, duration, and severity of change

Cause of change 


Map data focused on carbon

Aboveground, live forest biomass for Washington, Oregon, and California

NOTE: These are LARGE files.  If you want to explore biomass for just a small area, consider using our map-based server above.



Spatial grain:  30m (Landsat)

Type: Data are provided as ENVI-header flat binary raster files.

Projection:  North American Continental Albers


Lidar maps

Aboveground biomass for five sites in Oregon and Washington


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