2012-2013 Science Planning Summaries
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Augmenting the Ross Island-area automatic weather station network to develop a tropospheric ozone climatology
Augmenting the Ross Island-area automatic weather station network to develop a tropospheric ozone climatology. Photo courtesy of Lars Kalnajs 

Program Manager:
Dr. Peter Milne


ASC POC/Implementer:
John Rand / Cara Sucher

Dr. Lars E Kalnajs (Principal Investigator)

University of Colorado Boulder
Laboratory for Atmospheric and Space Physics
Boulder, Colorado

Supporting Stations:  McMurdo Station
Research Locations:  AWS sites near-McMurdo Station

Project Description:
The Antarctic troposphere has the least anthropogenically influenced surface air on Earth and presents a unique opportunity for the study of naturally occurring processes that control the chemical composition of our atmosphere. Of particular interest to the study of high latitude atmospheric chemistry is tropospheric ozone (O3), which exhibits predictable seasonal variations as well as poorly understood anomalies at polar sunrise. Using the existing Automatic Weather Stations (AWS) network in the McMurdo Ross Sea region, a number of photometric based ozone meters will be deployed, in order to establish a multi-season record of surface level ozone distributions in the McMurdo area. This in turn will allow a record of seasonal surface ozone variability in the Ross Sea region to be assembled.

Field Season Overview:
Two participants will deploy to service the network of ozone sensors. The instrumentation from each site will be removed and returned to McMurdo for a laboratory calibration and to perform any repairs or upgrades necessary. The team will assess the performance of the remote power systems at each site and make any necessary repairs or modifications.

Deploying Team Members:

  • Lars Kalnajs (PI)
  • Thomas Reese

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Curator: Esther L. Hill PhD, Antarctic Support Contract   |   NSF Official: Alexandra Isern, Office of Polar Programs