WMO/UNEP 7th ORM, Geneva 18-21 May 2008 1 French contribution to ozone research and monitoring S....
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Transcript of WMO/UNEP 7th ORM, Geneva 18-21 May 2008 1 French contribution to ozone research and monitoring S....
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
1
French contribution to ozone research and monitoring
S. Godin-Beekmann
Service d’Aéronomie – IPSL, CNRS, Paris, France
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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Observational activities
Long term ground-based measurements
Contribution to NDACC : Alpine station, Antarctica (Dumont d’Urville, Concordia), La Reunion Island (SH), SAOZ network (UV-Vis spectrometers)
Balloon measurements
Polar and tropical campaigns within EU projects (SCOUT-O3, AMMA)
Aircraft measurements
Regular O3 and CO measurements on board commercial aircrafts (MOZAIC programme)
Satellite measurements
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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NDACC measurements at Alpine station
Ozone Dobson (1983), ozone sondes (1984)Lidars (strato O3 – 1985; tropo 1991), SAOZ UV-Vis spectrometer (1992 - O3, NO2)Aerosol Lidar (1991), aeronet sun photometer (2004)Temperature Lidar (1979)Spectral UV spectrometer (moved from nearby Briançon)
Haute-Provence 44°N, 6°E
Also: Spectral UV radiometer in Villeneuve d’Asq (50°N, 3°E), Bordeaux Dobson spectrometer moved to Lannemezan (43°N, 0.1°E)
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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NDACC measurements in Antarctica
Dumont d’Urville
Lidar (collaboration with Italy)• Ozone (1991-1998; 2008) • PSC (1989 – 1998; 2005 - present) Ozone sondes (since 1989)SAOZ UV-Visible spectrometer (1988)UV-B broadband
Concordia (collaboration with Italy)New station since 2006SAOZ UV-Vis spectrometer since 2007Ozonesondes in 2007-2008 for IPY. Microwave radiometer for tropo H2O planned
Dumont d’Urville
Concordia
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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NDACC measurements in La Reunion Island
LidarsTemperature, aerosol, tropo & strato ozone, aerosolOzone sondes (SHADOZ)SAOZ: UV-Vis spectrometer
New instruments:FTIR and MaxDOAS (IASB-BIRA) Microwave radiometer H2O
New high altitude Maido station 2200 m – delivery end 2010
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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SAOZ network
observations and passive ozone tracer from a CTMChemical ozone loss estimation in the Arctic
UV/Visible spectrometers : 15 stations globally distributed
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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Satellite Satellite instruments & retrieval algorithm
In collaboration with other EU institutions
ODIN SMR (2001): microwave radiometer O3, ClO, N2O, H2O
GOMOS - ENVISAT (2002) solar spectrum, stellar occultation
O3, NO2, NO3, OClO, temperature, water vapour
IASI – METOP (2006) infrared spectrometer Nadir
total ozone, o3 partial columns, CO, CH4, H2O, clouds
Satellite products validation
GOME, ENVISAT (GOMOS, SCIAMACHY, MIPAS), Aura, (MLS, HIRDLS)
Long term ENVISAT validation activities (EQUAL, TASTE)
Trend validation (multiple satellite missions)ozone recovery, temperature trends, intercalibration
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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600
500
400
300
200
Ozo
ne c
olum
n (D
U)
SAOZ
GOME TOMS-EPTOMS-NIMBUS
TOMS-METEOR
O3
95 96 97 98 99 00 01 02 039493929190
SCIAMACHY
04
SAOZ UV-Visible Measurements:
Sodankylä, Finland
F. Goutail (CNRS) and E. Kyrö (FMI)
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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Models
Chemical Transport ModelsReprobus, MIMOSA, MIMOSA-CHIMChemical ozone loss multiannual simulations (charts on ETHER data base)
Coupled chemistry models ARPEGE (MeteoFrance)LMDz – REPROBUS, LMDz INCA (CNRS)Future ozone levels predictionParticipated to last ozone assessment
WMO/UNEP 7th ORM, Geneva 18-21 May 2008
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The ETHER databaseCentre for Atmospheric Chemistry Products and Services
http://ether.ipsl.jussieu.fr