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1Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
WMO Global Atmosphere Watch (GAW) Programme In The Context Of
Integrated Global CO2 Observations
Leonard Barrie
Chief, Environment Division, WMO
Search Engine “GAW” www.wmo.ch/web/arep/gaw/gaw_home.html
Observations:All Sources
All measure CO2 (total column, vertical profile, surface in situ)
Each have own data centre(s) Each have own quality assurance
programmes Missing a total column network. Currently not well coordinated with
each other
What Do These Systematic CO2 ObservationsHave In Common?
Commercial Aircraft JAL
Satellites- not originally dedicated: SCIAMACHY - dedicated and future :GOSAT, OCO
WMO-GAW Global CO2 Monitoring Network of GCOS
Commercial Aircraft Future: MOZAIC
3Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
A More Systematic Approach To Integration of Atmospheric
Chemistry Observations Is Needed
4Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
Integrated Global Observing Strategy (IGOS) Partnership
Themes
• Ocean
• Global Carbon Cycle (IGCO)
• Global Water Cycle (IGWCO)
• Geo-Hazards
• Atmospheric Chemistry (IGACO)
• Coastal (incl. Coral-Reef)
• Land
• ……
5Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
Chemical species Air Quality
Oxidation Capacity
Climate Stratospheric Ozone Depletion
O3
H2O (water vapour)
CO
CO2
CH4
HCHO
VOCs
N2O
NOx = NO+NO2
HNO3
SO2
BrO, ClO, OClOHCl, ClONO2
CH3Br, CF3Br, CFC-11, CFC-12, HCFC-22
aerosol optical properties
actinic flux
IGACO TARGET VARIABLE LIST
Timeline Diagram Carbon Dioxide
The IGACO System Components
9Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
What is GAW?
WMO/GAW was established 1989 by merging GO3OS and
BAPMoN.
GAW focuses on global networks for GHGs, ozone, UV,
aerosols, selected reactive gases, and precipitation chemistry.
GAW is a partnership involving contributors from 80 countries.
GAW is coordinated by the Environment Division of
WMO/AREP.
Currently GAW coordinates activities and data from 23 global
stations, 637 regional stations, and 19 contributing and
associate stations
10Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
The GAW Mission
Systematic Global Monitoring Of Chemical
Composition of the Atmosphere.
Analysis and Assessment in Support of
International Conventions.
Development Of Air Pollution and Climate
Predictive Capability
11Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
October 2006 GCOS-GAW Agreement establishing the:
WMO/GAW Global Atmospheric CO2 & CH4 Monitoring Network as a Comprehensive
Network of GCOS
SynthesisIGACO
Analysis
GAW Global CO2 & CH4 Network Components
SCIENTIFIC ADVISORY GROUP(SAG) for GHGs
(Expert C Measurement Community)
QA & CALIBRATION CENTRES:NOAA/CMDL, MeteoSwiss/EMPA,
Japan Met. Agency(JMA)
CENTRAL CALIBRATION. LABORATORY (CCL)
World Reference Standard US- NOAA
GAW STATIONS & GAWSIS
Global Regional
GAW WORLD DATA CENTRE for GREENHOUSE GASES:(WDCGG)
Twinning
WorkshopsCalibration, Training Site Visits, Comparisons
ContributingNetworks
SatelliteObservations
CAS/WG for Environmental Pollution
And Atmospheric Chemistry
WMO/GAW Secretariat
AREP
BIPM/CCQM
13Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
GAW SAG for Greenhouse Gases
Dlugokencky Edward, Chairman (US) Brunke, Ernst (S. Africa) Butler, James (US) Heimann, Martin (Germany) Krummel, Paul (Australia) Scheel, Hans-Eckhart (Germany) Tsutsumi, Yukitomo (Japan) Leonard Barrie (Secretariat)
GAW Global Carbon Dioxide Network{Major Partner NOAA/CMDL}
15Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
http://gaw.kishou.go.jp/wdcgg.html
All Data Available From GAW World Data Centre For Greenhouse Gases
16Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
GCOS
A Hierarchy Of Strategies, Systems, Programmes, Networks,
Related To Systematic Atmospheric CO2 Observations
GEOSS
GMES
IGOS
IGCOIGACO
IGBPWMO
UN-FRAMEWORKCONVENTION ON CC
CEOS
IDEALLY:
THE WIDTH OF THE TRIANGLE REPRESENTS
THE LEVEL OF RESOURCES APPLIED
WMO-GAWCO2 Light
Aircraft Profiles
CO2 Commercial Aircraft
CO2 Satellites
Surface Flask CO2
Surface Continuous CO2
Routine Ocean PCO2 Msmts
IGACO-GHG
18Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
The Role Of The World Meteorological Organization (WMO)
As the lead agency designated by IGOS to implement IGACO, WMO shall use its unique international experience, programmes and partnerships to build a generally accepted global plan and to promote implementation through bottom-up research efforts at the national and regional level.
IGACO builds on GAW, other WMO programmes and partnerships. It bridges surface-based, aircraft and satellite observations to the weather forecast and modelling research community.
IGACO Implementation:Top-Down Meets Bottom-up
Examples of IGACO-relevant national, regional, international activities:
Satellite-Programmes IAGOS/MOZAICIMPROVENATCHEM
GEMS ACCENT WMO/GAW NDSCEANETEMEPAERONET
BSRN
IGACO-LRTAP/Air Quality
Secretariat: TBDGAW/UN_ECE LRTAP
IGACO-GHGCimate Forcing
Secretariat:TBDGAW/IGCO/NOAA
Implementation TeamCo-Chairs
WMO/GAW & ESA
IGACO-OzoneU. Trop/Strat. ChemSecretariat: FMI
GAW/IOC
WMO
IGACO- AerosolsClimate Chem. Interaction
Secretariat:TBDGAW/NASA/TBD
GEOSS Other WMO Programmes WWW, Space and Co-
sponsored GCOS, WCRPIGOS
Cross Cutting IssuesThematic Foci
Observational Systems
Assimilation & Modeling
Product Delivery & Databases
Quality Assurance & Validation
20Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
Upcoming Cross- Cutting Events
24-26 Oct., 2005, EMPA Zurich Joint WMO/GAW-ACCENT
Workshop on the Global Tropospheric Carbon Monoxide
Observations System, Quality Assurance and Applications,
contact Jorg Klausen, L. Barrie, G. Braathen
Jan or Feb 2006 A WMO/GAW Experts Workshop On Global
Long Term Measurements Of Volatile Organic Compounds
(VOCs)
24-26 April 2006 WMO Geneva “Chemical Data Assimilation in
Atmospheric Forecast and Re-analysis Models An
ACCENT/WMO Expert Workshop in support of IGACO”,
contacts are P. Borrell, and L. Barrie.
21Evergreen Workshop 19-20 January 2006 KNMI, de Bilt Netherlands
THANK YOU
WMO