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Scheduled Web Maintenance: Monday, August 17
During ARM database maintenance beginning at 7 a.m. Eastern time on Monday, August 17, ARM.gov will remain accessible, and users will be able to search for data, but website updates and data ordering and downloads will be unavailable. This notice will be updated when all services are restored.

ARM-ASR Coordination Team

The Atmospheric Radiation Measurement (ARM) User Facility serves the broad atmospheric research community, but is also closely related to Atmospheric System Research (ASR), a partner program within the U.S. Department of Energy’s (DOE’s) Biological and Environmental Research program.

Organizational Structure

DOE established the ARM-ASR Coordination Team (AACT)—a constituent group that includes members from both ARM and ASR leadership—to foster communication between ARM and ASR.

Current AACT members are:

  • Jim Mather, Director
  • Nicki Hickmon, Associate Director for Operations
  • Jennifer Comstock, Associate Director for Research
  • Giri Prakash, Data Services Manager
  • Adam Theisen, Instrument Operations Manager
  • Nicole Riemer, Aerosol Processes Working Group Co-Chair
  • Markus Petters, Aerosol Processes Working Group Co-Chair
  • Rob Wood, Warm Boundary Layer Processes Working Group Co-Chair
  • Christine Chiu, Warm Boundary Layer Processes Working Group Co-Chair
  • Hugh Morrison, Convective Processes Working Group Co-Chair
  • Dié Wang, Convective Processes Working Group Co-Chair
  • Jessie Creamean, High-Latitude Processes Working Group Co-Chair
  • Greg McFarquhar, High-Latitude Processes Working Group Co-Chair
  • Michael Jensen, User Executive Committee Representative and Brookhaven National Laboratory Science Focus Area Lead
  • Jerome Fast, Pacific Northwest National Laboratory Science Focus Area Lead
  • Yunyan Zhang, Lawrence Livermore National Laboratory Science Focus Area Lead
  • Scott Giangrande, ARM Facility Representative
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ARM welcomes users from all institutions and nations. A free ARM user account is needed to access ARM data.

Atmospheric Radiation Measurement (ARM) | Reviewed March 2025