Welcome to the Intensive Operational Period (IOP) Server at the ARM Archive. This server provides public access to data resulting from completed Intensive Operational Periods (IOPs) conducted by the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Program or IOPs conducted at ARM sites. In addition, this server provides storage and access for preliminary data from on-going IOPs. This preliminary data is available only to IOP participants who have been assigned usernames and passwords for this access.
IOP Data Access
Access to IOP Data requires use of an ARM Archive username which can be obtained here. When logging in to the system, your username must be entered in all lower case. The required password is the same as the username.
