p T Microwindows Anu Dudhia University of Oxford
- Slides: 13
p. T Microwindows Anu Dudhia University of Oxford Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 1 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
350 Microwindows Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 2 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
360 Microwindows Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 3 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
RR 27 p. T Microwindows v. Reduced resolution & lower altitudes need to use CO 2 laser band for low altitude retrievals v. Oversampling low altitudes need many laser band MWs v Laser band causes problems with discontinuities and (potentially) non-LTE effects v. Latest selection (MW#361 -366) uses additional MW at 790 cm-1 to give improved tropospheric coverage and reduced reliance on laser band below 21 km Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 4 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
AE Mode Dec 06 Anu Dudhia University of Oxford Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 5 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
v 26 -29 Dec 2006 mixed NOM and AE mode data v. Single L 1 B files contain complete orbit (unlike orig May’ 05) v. Also: last sweep of last scan of each orbit flagged as corrupt Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 6 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 7 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 8 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 9 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 10 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 11 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Conclusions Dec’ 06 AE mode data appears to have the same problems as earlier May’ 05 data: v. L 1 B (engineering) altitudes are 2 km lower than given in mission planning document (5, 7. 5…km instead of 7, 8. 5…km) v. L 1 B altitudes for sideways viewing appear to be approx 4. 5 km below actual tangent altitudes (based on climatological pressure) v. L 1 B altitudes for rearward viewing appear to be approx 0. 5 km below actual tangent altitudes Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 12 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
Atmospheric, Oceanic & Planetary Physics, University of Oxford Page 13 A Dudhia MIPAS QWG 12 ESRIN 14 -16 Feb 2007
