Bern 6-7 October 2003
COST Action #723
COST ASSET
ASSET (ASSimilation of Envisat data)
W.A. LahozDARC, Reading, UK
http://darc.nerc.ac.uk/asset
Thanks to ASSET partners for plots
Bern 6-7 October 2003
COST Action #723
COST ASSET
• What is it?• Aims• Partners• Achievements• Examples• Future work
Bern 6-7 October 2003
COST Action #723
COST ASSET
WHAT IS IT?:
• FV EU programme: EVK2-CT-2002-00137• 36 months (Jan 2003-Dec 2005)• 13 partners (10 contractors, 3 assistant
contractors)• U. Reading co-ordinator• 1,766,324 Euros
Bern 6-7 October 2003
COST Action #723
COST ASSETPARTNERS:
• Contractors: U. Reading, MF-GAME, ECMWF, KNMI, UPMC, BIRA-IASB, UKOELN, CNR.IFAC, NILU, CNRS-GAME
• Assistant contractors: Met Office, IMK Karlsruhe, CERFACS
• 7 countries (UK, France, The Netherlands, Belgium, Germany, Italy, Norway)
• Heritage: DARE, SODA
Bern 6-7 October 2003
COST Action #723
COST ASSET
AIMS:Exploit & develop EO data to:
Develop European capability for chemical/UV forecasting
Assess strategies for exploiting research satellite data by NWP systems
Provide analyses for coupled/chemistry studies
Study distribution & variability of chemical species by exploiting research satellite data
Bern 6-7 October 2003
COST Action #723
COST ASSETACHIEVEMENTS:
• Envisat data assimilated into NWP & photochemical models. QC-
datasets incorporating Envisat data produced. Special contribution to studies of Sep 2002 SH major warming.
• Envisat data evaluated using DA techniques. Information on data quality communicated to Envisat cal-val teams.
• ASSET PIs lectured at 1st Envisat Data Assimilation Summer School held at ESRIN August 2003. TRAINING
• ASSET database set up at NILU. Repository of datasets produced
by ASSET project.
Bern 6-7 October 2003
COST Action #723
COST ASSET
EXAMPLES
Bern 6-7 October 2003
COST Action #723
COST ASSET
QC-DATASETS
Bern 6-7 October 2003
COST Action #723
U.Reading Assimilation: operational data + MIPAS (temperature, O3 & H2O)
O3 analysis 10 hPa
Ozone hole split22, 24, 26, 28 Sep 2002
SH
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COST Action #723
O3 evolution 31.5hPa;22 Sep -> 25 Sep 2002ACRI GOMOS analysesRed (high), blue (low)
COST ASSET
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COST Action #723
Ozone 475K ClOx = ClO+2*Cl2O2 475K
COST ASSET24 Sep 2002 12UTC: Ozone photochemistryBIRA-IASB MIPAS analyses: red (high), blue (low)
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COST Action #723
COST ASSET
Envisat cal-val
See WG2 talk
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COST Action #723
COST ASSET
TRAINING
Bern 6-7 October 2003
COST Action #723
Courtesy Christian Retscher
Bern 6-7 October 2003
COST Action #723
Courtesy Christian Retscher
Bern 6-7 October 2003
COST Action #723
COST ASSETFUTURE WORK:
Assimilation with NWP systems:
• H2O (UREADMY/Met Office)
• Limb radiances (ECMWF)• Coupled NWP/chemistry (MF)• Strategies for assimilating Envisat data (All)
Bern 6-7 October 2003
COST Action #723
COST ASSETFUTURE WORK:
Assimilation with photochemical models:
• O3 (nadir/limb) (KNMI)
• Stratospheric aerosols (BIRA-IASB)• Tropospheric pollution (UKOELN)• New Envisat datasets (tomography…)
(CNR.IFAC / IMK Karlsruhe)• Distribution & variability of chemical species (All)
Bern 6-7 October 2003
COST Action #723
COST ASSETFUTURE WORK:
Data dissemination:
• ASSET database at NILU (All)