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Insights from the 6th International Limb Conference and Workshop in Kyoto 2011

Explore key details and advancements presented at the conference; mission updates, satellite instruments, data products, and future projects.

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Insights from the 6th International Limb Conference and Workshop in Kyoto 2011

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  1. Brief summary of the 6th international limb conference and workshop at Kyoto, Nov. 29 – Dec. 1, 2011 • Radiation level of conference room was about 0.05 micro Sv / h

  2. Current missions • MAESTRO on SCISAT-1: • Strong loss of sensitivity below 450 nm happened during first 1.5 years of mission, suddenly • SCISAT-1 Mission approved until March 2012. • MAESTRO Version v3.0 data product includes aerosol extinction profiles • OMPS Limb sounder: • OMPS launched on October 28. Open door on Dec 11 • Start of nominal operations on Feb 1, 2012. • 13:30 LT ascending node • NPP will get a different name (used to be joint mission between NASA, NOAA and DOD, NPOESS died, replaced by bridge mission for NASA) • 5 sensors, OMPS = 3 instruments: total column, nadir profiler, and limb profiler. • CCD integrations every 19 s, 290 – 1000 nm, resolution: 1.5 – 40 nm

  3. Current missions • SMILES† on ISS • Non sun-synchronous orbit of ISS allows measuring diurnal variation of minor constituents (several species shown and compared to WACCM) • Retrieval of middle atmospheric winds from Doppler-shift of thermal rotational emission in MW region (P. Baron) • OSIRIS: • Tomographic retrievals of NLCs • OSIRIS aerosol data product shows several volcanic eruptions besides Kasatochi (2008) and Sarychev (2009): • - Raventador, Ecuador, September 2002 • - Manam February 2005 • - Nabro (tropics) eruption in May/June 2011 • Validation of stratospheric aerosol extinction with SAGE III: agreement typically less than 10% between 15 and 35 km (global average)

  4. Current missions • SABER on TIMED • SABER airglow measurements allow promising synergies with SCIAMACHY airglow observations. Several comparisons planned with Sam Yee • SCIAMACHY: (omitting the stuff that we know anyway) • MLT NO profiles using SCIA observations of NO-gamma bands (UV) look promising, but low S/N ratio is problematic (Stefan Bender, KIT)

  5. Miscellaneous pieces of information • J. Hakkarainen: merging GOMOS and SAGE II/III data sets: • Difference in X-sections at 600 nm between Bogumil and used for SAGE II is about 1-2 % (in Ozone) • OSIRIS stratospheric aerosols retrieval: New idea on size retrieval: 2- modal PSD, Retrieve concentrations of these two modes. According to Terry Deshler these are two fairly stable modes (Needs to be checked)

  6. Possible future missions • Future Japanese mission concept APOLLO (air pollution observation mission on ISS) to be launched in 2016. Mission definition review in March 2012. • SAGE III will be deployed on ISS in about 2016 • Canadian missions: SOAR is FTS-mission, and next-generation OSIRIS (CATS) • iATMOS proposed to NASA Earth venture-2 call for ISS (PI W. Randel) • EE7 candidate mission PREMIER: launch 2019 at the earliest • MACE (Middle Atmosphere and Climate Experiment) proposed as ISS climate mission (PI: Johannes Orphal) • ALTIUS (Belgian Mission, PI: Didier Fussen), completed phase A

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