Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 1 Recent MIPAS L2 Data Retrieved at Oxford Anu Dudhia University of Oxford
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 2 Oxford processor MORSE uses same L1B/microwindows as ESA data, but optimal estimation algorithm. Routinely processing all ESA L1B consolidated spectra (available about 2 weeks after acquisition) Now also processing NRT data (available ~ hours after acquisition) - only NOM mode pT, H2O and O3 /
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 3 Temperature 10mb
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 4 Temperature 65S-90S 10mb
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 5 Temperature 65N-90N 10mb
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 7 Comparison of NRT and “Off-Line’’ Data Identical OXF L2 processing used for both Since NRT data started on 19 Feb 08 and latest OFL data completed for 24 Feb 08, only 6 days overlap so far
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 8 L1B Altitude
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 9 Temperature
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 10 Pressure
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 11 H2O
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 12 O3
Atmospheric, Oceanic & Planetary Physics, University of Oxford A Dudhia MIPAS ST7 Salamanca Mar 2008 Page 13 NRT Data - Preliminary Conclusions 1 second difference in data Small biases wrt OFL data Surprisingly large scatter (~noise error) Need to compare radiances