James J Hack Contact jhack@ornl.gov | 865.574.6334 All Publications The Early Years and Evolution of the DOE Computational Science Graduate Fellowship Program... US Department of Energy, Office of Science High Performance Computing Facility Operational Assessment 2018 Oak Ridge Leadersh... BIG DATA Next-Generation Machines for Big Science... A spectral transform dynamical core option within the Community Atmosphere Model (CAM4)... Linearity of Climate Response to Increases in Black Carbon Aerosols... Inter-annual Tropospheric Aerosol Variability in Late Twentieth Century and its Impact on Tropical Atlantic and West African ... Subcycled dynamics in the Spectral Community Atmosphere Model, version 4... Key Links ORCID