Oxford-RAL IASI Group Meetings

Meeting#14 (19Apr16)

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Oxford: Anu Dudhia, Robert Hargreaves, Catherine Hayer, Isabelle Taylor, Tony Vincent

RAL: Brian Kerridge, Diane Knappett, Richard Siddans, Joanne Walker


CH4 (RS) [Prev] [Next]
Preparing paper on 8 year dataset of CH4 retrieval comparisons, comparisons to MACC and GOSAT.
Noticed anomalous lows in IASI tropical ocean CH4 (MACC/GOSAT are smooth).
Could be related to N2O? (CH4 uses N2O for cloud-correction)
Would also like to introduce linear flags for particulates (ash, dust, sulphates)
Idea of using covariances based on difference of clear-sky differences between simulations and observations.
CH4 (DK)
Now processing IASI CH4 in NRT (using ECMWF Tem)
8 years of IASI CH4 now available on CEDA web-site.
Starting full scale processing using retrieved T from 2014.

O3 (JW) [Prev] [Next]
IASI+MHS+AMSU ozone data. Comparisons with sondes.
Numerous compliance problems getting data into CEDA archive

Ash (CH) [Prev] [Next]
Working on paper (with Earth Sciences) analysing Calbuco (Chile) eruption from last year.
Also SO2 flagging.
Ash (IT)
DPhil project: understanding volcanic activity from IASI measurements of plumes.
Trying to apply MODIS CO2 slicing to determine plume height.

OCS (TV) [Prev] [Next]
Thesis writing mode (has to be finished by September). Currently writing up background to OCS retrieval.
LUT paper accepted by JQSRT.

RFM (AD) [Prev] [Next]
new v4.35 handles irregular grids
RFM JQSRT paper - referee comments received.

L1C (RH) [Prev] [Next]
New post-doc working on IASI
Current task is to subset IASI L1C data into format suitable for MORSE input
Also adding some elementary flags, such as NH3 detection.