On Friday, 07 April 2017 from 1:00 p.m. to 2:00 p.m. (USA Mountain Time), we will be performing scheduled maintenance, which may cause temporary disruptions to our Web site, applications, HTTPS, and FTP. We apologize for any inconvenience this may cause you. Need to talk to us? You can always contact our friendly User Services Office at email@example.com or + 1 303.492.6199.
The following image from 02 January 1999 was created from "Arctic Soil Freeze/Thaw Status from SSM/I" data. It shows the spatial extent of the Arctic terrestrial drainage basin.