Some ongoing work/results from institutes involved with MIPAS satellite data
- Leicester
- Observations of clouds by the MIPAS instrument on ENVISAT
[Poster] (John Remedios)
- Web Page
showing daily maps of cloud top height based on L1 Cloud Index data.
- Lab measurement of PAN cross-section in progress
- Potential for HCFC-22 retrievals
[Poster] (David Moore)
- IMK
- Orbit 2081 showed a
reduction in most trace gas concentrations at 30degN, ascending and descending
orbits.
- Low altitude values of CH4 and N2O probably
10-20% higher than expected tropospheric values.
- Also retrieving CFC-12, ClONO2, N2O5
- Retrieving absolute altitude for comparison with MIPAS pointing
- IMK/IAA
posters/presentations
- IAA/IMK
- IFAC
- Level 2 near real time analysis of MIPAS measurements on ENVISAT:
updated performance assessment [Presentation] (Piera Raspollini)
- Using the following orbits/days for test retrievals
- 2081 (24 Jul 02)
- 2953 (23 Sep 02)
- 4098 (12 Dec 02)
- 5415 (14 Mar 03)
- 5601 (27 Mar 03)
- Bologna
- Application of the GEOFIT analysis to real MIPAS data:
from a scientific to an operational code
[Poster] (Marco Ridolfi)
- Oxford
- 2D Retrievals of Ozone from Simulated MIPAS Data
[Poster]
(Mark Parrington)
- Retrieval of Minor Species from MIPAS
[Presentation] (Anu Dudhia)
- Retrieval of SO2 from MIPAS below the Tropopause
[Presentation] (Alastair Burgess)
- Assimilation of MIPAS data - Impact of Nonlinearity
[Poster] (Chiara Piccolo)
- RAL
- Isentropic, global, variational assimilation of MIPAS
ozone and water vapour [Presentation] (Martin
Juckes) (& [Animation]
of you have xanim or quicktime)
- Bremen
- First validation of MIPAS O3, H2O and NO2 with collocated measurements
from satellite sensors HALOE and SAGE II -
[Poster] (Astrid Bracher)
Summary:
- H2O MIPAS - HALOE:
- Before Nov 13th (1.3-45mb): MIPAS +5 to +15%
- After Nov 13th (1-100mb): MIPAS -3 to +15%
- O3 MIPAS - HALOE:
- Before Nov 13th (1.7-45mb): MIPAS +4 to +11 %
- After Nov 13th (1.7-45mb): MIPAS +3 to +10 %
- O3 MIPAS - SAGE II:
- Before Nov 13th (0.45-45mb): MIPAS +2 to +15 %
- After Nov 13th (1-70mb): MIPAS -3 to +10 %
- NO2 MIPAS - HALOE (1.5-25mb) (using photochemical model to allow for
diurnal difference)
- MIPAS +5 to +40 % (and large scatter except at SZA~90deg)
- BIRA
- Presentation from Quentin Errera comparing MIPAS and
HALOE using data assimilation, but his conclusions were that
- MIPAS H2O too low
- MIPAS NO2 about right
- Chiara will contact Quentin and get some numbers from him
REC Analysis (AD)
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Performing REC analysis on 7 months ESA L2 data (Aug-Feb)
for MIPAS Cal/Val report.
- NH3 analysis shows about 100% overestimate,
ie that the IG NH3 might be
an order of magnitude larger than true profile. This would have
consequences on the retrievability of NH3 (currently under
consideration as an additional species for operational retrievals).
- CFC-14 (CF4) - long lived tracer with significant
greenhouse forcing (EGS poster from Laila Gohar, Reading). Only a weak
residual signature but indication of some profile structure
(also under consideration as an additional species).
