Research

  • Atmospheric chemistry
  • Instrument development
  • Atmospheric field studies

Dr. Avallone’s expertise centers on the development of instrumentation for measuring trace atmospheric species at high data rate and with high sensitivity and specificity. Instrumentation designed and built by her group has been employed in numerous field projects to study the formation and radiative impact of cirrus clouds, the formation and dispersion of rocket exhaust plumes, and polar boundary-layer ozone fluxes and ozone budget. Dr. Avallone’s instrumentation has been used on the ground, on balloons and on numerous aircraft, including NASA’s ER-2, DC-8, and WB-57F; NSF/NCAR’s C-130 and Gulfstream G-V; and the UND Cessna Citation. Dr. Avallone has extensive experience working in the high latitudes, both on aircraft and on the ground. She has participated in field experiments in Svalbard; Alert, Canada; Kiruna, Sweden; on the annual sea ice north of Alaska and on the Ross Ice Shelf near McMurdo Station, Antarctica.

Instrumentation

  • Closed-path tunable diode laser hygrometer (CLH)
  • Lightweight, LED-based ultraviolet absorption ozone sensor (UCOz)

      Current and Upcoming Field Studies
  • Installation of autonomous ozone sensors at weather stations in the Ross Island region, Antarctica - January-February 2012
  • Deep Convective Clouds and Chemistry (DC3) - May-June 2012, Salina KS
  • Southeast Asia Composition, Cloud Climate Coupling Regional Study (SEAC4RS) - August-September 2012, Utapao, Thailand

      Past Field Studies
  • Concordiasi - McMurdo Station, Antarctica, August - November 2010
  • Colorado Airborne Multi-phase Cloud Study (CAMPS)/Storm Peak Validation Experiment (StormVEx) - Dec 2010 - Feb 2011
  • Midlatitude Cirrus Properties Experiment (MACPEX) - Spring 2011