Decadal change in the troposphere and atmospheric boundary layer over the South Pole
- National Oceanic and Atmospheric Administration/Environmental Technology Lab., Boulder, CO (United States)
During the austral winter of 1993, the Environmental Technology Laboratory carried out a detailed field study of the atmospheric boundary layer at Amundsen-Scott South Pole Station to determine the effect of transitory synoptic disturbances on the surface-energy budget. This study used newly developed 915-megahertz radar wind-profiling technology for the first time in the Antarctic in combination with conventional boundary layer instrumentation that included a short tower, sonic anemometer, microbarograph array, and doppler sodar. Recent discussions, however, of interdecadal variability in the circumpolar circulation around Antarctica and of decadal changes in summer cloudiness at the South Pole, motivated our study of the long-term variability in boundary layer characteristics, cloudiness, and tropospheric flow behavior to provide a climatological context for our single year`s observations. 7 refs., 3 figs.
- OSTI ID:
- 181803
- Journal Information:
- Antarctic Journal of the United States, Journal Name: Antarctic Journal of the United States Journal Issue: 5 Vol. 29; ISSN AJUSAF; ISSN 0003-5335
- Country of Publication:
- United States
- Language:
- English
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