Investigating Stratosphere-Troposphere-Intrusion by Ozonesonde and TES data Huixia He, D.W. Tarasick, W. Hocking Environment Canada University of Western.

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Presentation transcript:

Investigating Stratosphere-Troposphere-Intrusion by Ozonesonde and TES data Huixia He, D.W. Tarasick, W. Hocking Environment Canada University of Western Ontario Jan 8, 2009

Acknowledgement TES Science Team ICARTT-IONS06 Science team Trevor K. Carey-Smith (NIWA, New Zealand) D. Jones (UofT)

What we hope to do… Investigating stratosphere-troposphere-intrusions (STI) using tropospheric emission spectrometer (TES) data, ozonesonde data and the GEM-Flexpart model. GEM-Flexpart Ozonesonde

What we hope to do… Investigating stratosphere-troposphere-intrusions (STI) using tropospheric emission spectrometer (TES) data, ozonesonde data and the GEM-Flexpart model. GEM-Flexpart Ozonesonde ICARTT-IONS06

What we hope to do… Investigating stratosphere-troposphere-intrusions (STI) using tropospheric emission spectrometer (TES) data, ozonesonde data and the GEM-Flexpart model. GEM-Flexpart Ozonesonde ICARTT-IONS06 TES

What we hope to do… Investigating stratosphere-troposphere-intrusions (STI) using tropospheric emission spectrometer (TES) data, ozonesonde data and the GEM-Flexpart model. GEM-Flexpart Ozonesonde Incorporating new GEM-MACH air quality prediction model to study character of STI. ICARTT-IONS06 TES

GEM-Flexpart  GEM-v3.2.0, the Canadian forecast model, coving North America with 58 vertical levels.  Lagrangian particle dispersion model, Flexpart. Both plots cited from Trevor’s draft for JGR 0.5 x 0.5 o resolution

Ozonesonde  balloon-borne instruments, GPS with EN-SCI model 2Z-ECC ozonesondes and Vaisala RS80 radiosonde.  Temporally dense ozonesonde launches (daily). 2 x 1 o resolution Usually late afternoons or nights

TES  High resolution Fourier transform spectrometer (FTS) on Aura satellite.  launched 2004 July 15, ~705 km sun-synch orbit.  Nadir footprint: 5.3km x 8.3km. Worden, Bowman, Noone, et al. (2006). 2 x 1 o resolution Early mornings (~6-8) or late afternoons (~17-19) O 3 : Similar

GEM-FlexpartOzonesondeTES Unit: ppb (intrusion from stratosphere) ppb: observation values Time: 12:00 UTUsually 17:00-23:00 UT~6:00-8:00 UT or ~17:00- 19:00 UT Altitude: 1kmApproximate 1km[0.9,1.1]km Resolution: 0.5 x 0.5 o 2 x 1 o longitude: 240E~300E latitude: 28N~58N same

April 30, 2006 GEM-Flexpart IONS-OzonesondeTES

May 1, 2006 IONS-OzonesondeTES GEM-Flexpart

May 2, 2006 GEM-Flexpart IONS-OzonesondeTES

Carbon monoxide Organic gases + Nitrogen oxides + UV  Ozone May 3, 2006 GEM-Flexpart IONS-OzonesondeTES

GEM-Flexpart IONS-OzonesondeTES May 4, 2006

May 5, 2006 GEM-Flexpart IONS-Ozonesonde TES

May 6, 2006 GEM-Flexpart IONS-OzonesondeTES

Summary for 2006 Spring Cases Getting started… Combination IONS data, TES data, Flexpart model, Brewer data, radar data and AQ models. A larger picture of STE.