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Airborne Arctic Stratospheric Expedition (AASE)
Publisher: GB/NCAS/BADC > British Atmospheric Data Centre, NERC Centres for Atmospheric Science, United Kingdom  [contact email: BADC AT rl.ac.uk]  [web page]
Summary: This CD-ROM contains data from the Airborne Arctic Stratospheric Expedition (AASE) which was based in Stavanger, Norway during January and February, 1989. The expedition was designed to study the production and loss mechanisms of ozone in the north polar stratospheric environment, and the effect on ozone distribution of the Arctic polar vortex and of the cold temperatures associated with the formation of Polar Stratospheric Clouds (PSC). The data consists of measurements of chemical and dynamical parameters collected onboard the NASA ER-2 and DC-8 aircraft (for example, ClO, BrO, HCl, O3, NOx, N2O, HNO3 and CH4, whole air samples and aerosol measurments). In addition, there are ozonesonde soundings from three stations (Angmagssalik and Scoresbysund, Greenland, and Lerwick, U.K.), aerosol and temperature profiles from the SAM II satellite, global grid point values of Nimbus 7 TOMS ozone, and selected radiosonde soundings from stations in the region of the experiment. The mission used similar instrumentation to that which was deployed during the Airborne Antarctic Ozone Experiment (AAOE) in 1987. Theory teams provided calculations of: potential vorticity along the ER-2 flight path; cross-sections of potential vorticity, temperature, and geopotential heights along the DC-8 flight path; cross-sections of Clx, Fx, HCl, HNO3, and NOy along the DC-8 flight path; global grid point values of temperature, geopotential heights, and horizontal winds on selected pressure surfaces; northern hemispheric grid point values of potential vorticity and pressure on selected potential temperature surfaces.
Related Link: data access via the GB/NCAS/BADC site
DIF metadata: Original DIF metadata
 
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