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AtmosphereMonitoring
CAMS 2nd General Assembly, Warsaw, 16-‐18 May 2017
Overview of observation acquisition processes, with focus on supporting the CAMS reanalysis
Martin Suttie
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AtmosphereMonitoring
S o u r c e s o f o b s e r v a t i o n s
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AtmosphereMonitoring
O b s e r v a t i o n d a t a f l o w
EUMETCast
internet
GTS
Acquisition (ECPDS)
Ingestion & processing(SAPP) Analysis & forecast
(CCA/CCB)
Data storage (DHS)
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AtmosphereMonitoring
A c q u i s i t i o n o f o b s e r v a t i o n s
• Originally developed for transmitting real-‐time data to remote machines
• Adapted to acquire data in real-‐time
• Highly configurable
• Browser-‐based user interface
• Multiple simultaneous transfers
• Monitored by 24/7 shift staff
• Analyst call-‐out when necessary
ECMWF Product Dissemination System (ECPDS)
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AtmosphereMonitoring
S c a l a b l e A c q u i s i t i o n a n d P r e -‐ P r o c e s s i n g ( S A P P )
• Observations pushed to SAPP from ECPDS
• Decode the various data formats (e.g. BUFR, GRIB, HDF, NetCDF)
• Apply initial quality control
• Convert to a consolidated format before delivering to data assimilation
• Monitored by 24/7 shift staff
• Analyst call-‐out when necessary
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AtmosphereMonitoring
S c a l a b l e A c q u i s i t i o n a n d P r e -‐ P r o c e s s i n g ( S A P P ) -‐ M o n i t o r i n g
Monitoring of processing tasks
Diagnostics interface
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AtmosphereMonitoring
R e a l -‐ t i m e r e a c t i v e g a s s a t e l l i t e d a t a
OMIAURASO2
GOME-‐2 Metop-‐B
GOME-‐2 Metop-‐A
OMIAURA
GOME-‐2 Metop-‐A
GOME-‐2 Metop-‐B
IASI Metop-‐A
IASI Metop-‐B
MOPITT TERRA
CO
O3GOME-‐2 Metop-‐A
OMI, MLSAURA
SBUV/2 NOAA-‐19
monitored
GOME-‐2 Metop-‐B
OMPS SNPP
HCHOGOME-‐2 Metop-‐A
Tropospheric NO2
assimilated
Typical 12 hour coverage
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AtmosphereMonitoring • Acquire specific re-‐processed
satellite data sets covering the period 2003 – present
• Use an offline instance of SAPP to process observations for reanalysis
P r o c e s s i n g o f o b s e r v a t i o n s f o r r e a n a l y s i s
Operations Standby Offline
Observations processing environment
Monitoring & Diagnostics
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AtmosphereMonitoring
• Ozone– ESA ENVISAT SCIAMACHY total column (CCI BIRA-‐IASB)– ESA ENVISAT MIPAS profiles (CCI KIT)– ESA ERS-‐2 GOME profiles (CCI RAL)– NASA AURA MLS profiles (V4)– EUMETSAT METOP-‐A/B GOME-‐2 total column (AC-‐SAF GDP4.8)– NOAA-‐16/17/18/19 SBUV-‐2 profiles (V8.6)
R e p r o c e s s e d s a t e l l i t e c o m p o s i t i o n d a t a f o r C A M S r e a n a l y s i s
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AtmosphereMonitoring
• Carbon monoxide– NASA TERRA MOPITT columns (NCAR V6)
• Nitrogen dioxide– EUMETSAT METOP-‐A/B GOME-‐2 tropospheric columns (AC-‐SAF
GDP4.8)• Aerosol optical depth
– ESA ENVISAT AATSR (CCI Univ. Swansea)– NASA AQUA/TERRA MODIS (Collection 6)
R e p r o c e s s e d s a t e l l i t e c o m p o s i t i o n d a t a f o r C A M S r e a n a l y s i s
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AtmosphereMonitoring
• Carbon dioxide– ESA ENVISAT SCIAMACHY (CCI Univ. Bremen)– EUMETSAT METOP-‐A IASI (LMD V8)– JAXA GOSAT TANSO (CCI SRON)
• Methane– ESA ENVISAT SCIAMACHY (CCI SRON)– EUMETSAT METOP-‐A IASI (LMD V8.3)– JAXA GOSAT TANSO (CCI SRON)
• For more details on the use of observations in reanalysis see A. Inness, @12:45, “The CAMS Reanalysis”
R e p r o c e s s e d s a t e l l i t e c o m p o s i t i o n d a t a f o r C A M S r e a n a l y s i s