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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 1
Oxford Retrievals of MIPAS Data
Anu DudhiaUniversity of Oxford
With help from Chiara Piccolo (now UKMO), Claire Waymark, Joanne Walker, Jane Hurley and Luis Millan-Valle
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 2
Nadir v Limb Viewing
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 3
Major Species
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 4
Jul 2002 - Mar 2004: MIPAS operated at full resolution 0.025cm-1 sampling
ESA L2 products widely distributed and validated
MIPAS Data Availability
Jan 2005 - present: operated at 40% reduced resolution 0.0625cm-1 sampling
L1B spectra available, but routine ESA processing will not start until 2008
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 5
Atmospheric Spectrum
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 6
MIPAS Spectrum @0.025cm-1
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 7
MIPAS Spectrum @0.0625cm-1
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 8
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 9
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 10
MIPAS Operations 2005
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 11
MIPAS Operations 2006
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 12
MIPAS Operations 2007
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 13
Oxford processor MORSE uses same L1B/microwindows as ESA data, but optimal estimation algorithm.
Standard ESA species p,T,H2O,O3,HNO3,CH4,N2O, NO2, plus additional molecules ClONO2, N2O5, CFC-11, CFC-12 and CO
Processed 1 day/month global coverage, preferably NOM mode, for long term trends Since 1st June 2007 process all MIPAS L1B spectra http://www.atm.ox.ac.uk/group/mipas/L2OXF/
Oxford L2 Data
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 14
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 15
Long Term Trends
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 16
Temperature
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 17
H2O
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 18
O3
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 19
CH4
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 20
N2O
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 21
HNO3
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 22
NO2
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 23
2007 Antarctic Spring
According to the WMO bulletin
(a) Warmer than usual
(b) Less ozone depletion than usual
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 24
2007 Antarctic Spring
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 25
2007 Antarctic Spring
According to the WMO bulletinAccording MIPAS ..(a) Warmer than usual Similar temperature to past years (at 100mb)(b) Less ozone depletion than usual Similar ozone depletion to past years(c) A lot more NO2 than usual
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 26
CFC-11
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 27
CFC-12
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 28
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 29
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Atmospheric, Oceanic & Planetary Physics,University of Oxford
A DudhiaASSFTS-13
Toulouse 7-9 Nov 2007Page 30