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Thule News: Instruments and Research Upgrades in New Facility

Thule relocated to a new building in August 2011, 1.5km away on South Mountain. The facility houses advanced instruments for research, including UV spectro-radiometer, Sun photometer, Aerosol LIDAR, and more. The data collected, such as O3 profiles, reveal the impact of the 2011 Arctic Winter/Spring vortex on O3 loss over Thule. Observations show temperature and species variations inside and outside the vortex, with significant findings from previous years.

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Thule News: Instruments and Research Upgrades in New Facility

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  1. Thule News • Moved to new building August 2011 • 1.5km from previous site on South Mountain • Same altitude IRWG 2012, Wengen

  2. Now All Instruments are in “NDACC” Building • UV spectro-radiometer - DMI • Sun photometer - AERONET/NASA • Aerosol LIDAR - U Rome • Microwave Radiometer - INGV Rome • O3 Sondes (winter) - DMI • Aerosol Sampler - U Sienna • IR Radiometer - U Sienna • Solar FTS - NCAR IRWG 2012, Wengen

  3. O3 HF HCl Profiles of several species and temperatures showing the dramatic state of the 2011 Arctic Winter/Spring vortex and O3 loss over Thule, GR. Curve A 2000-2010 mean March outside vortex (2.5PVU @PT=440K). Curve B 2000-2010 mean March inside vortex (3.2PVU @PT=440K) and Curve C mean March 2011 (all inside). Horizontal bars are the standard deviation of observations at 3 select altitudes.. NCEP Temperature HNO3

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