The Global Atmosphere Watch of the WMO (GAW)
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The WMO Global Atmosphere Watch (GAW) includes the WMO Background Air Pollution Monitoring Network (BAPMoN) and the WMO Global Ozone Observing System (GO3OS), established respectively in the 1960s and in the 1950s.
The main objective of GAW is to provide data and information on the chemical composition and related physical characteristics of the atmosphere to assess trends, and effects on interactions with the oceans and the biosphere. Information is available from the WMO Secretariat in the form of annual reports on network status.
The Network for the Detection of Stratospheric Change (NDSC)
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The Network for the Detection for Stratospheric Change (NDSC) is a US NOAA funded network with a set primary and secondary high-quality remote-sounding research stations for observing the physical and chemical state of the stratosphere. Ozone and key ozone-related chemical compounds and parameters are measured.
The NDSC has been endorsed by national and international scientific agencies, including the International Ozone Commission, the United Nations Environment Programme (UNEP), and the World Meteorological Organization (WMO).
The NDSC makes sophisticated measurements of ozone-related components of the stratosphere. Many of its sites have made stratospheric measurements for years. The suite of measurements includes profile and/or vertically integrated observations of ozone, controlling chemical species, temperature and aerosols. The instrumental methods are sophisticated and include sondes, lidar, microwave, FTIR and UV-VIS.
System d'Analyse par Observation (SAOZ)
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The SAOZ global network is made up of 18 instruments co-located with NDSC measurement sites. The instrument measures such chemical species as ozone, NO, NO2, SO2, and some aromatic hydrocarbons.
10 years of data are available at the station at Dumont d'Urville
For more information and access to other data see the site Service d'Aéronomie
ALE/GAGE/AGAGE
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This is a continuing research network which measures trends of CFCs, CH4, N2O, CO, O3, HFCs, HCFCs, Br species, Halons, plus some short-lived species. NASA is the lead funding agency, with contributions from the UK, Australia, and others. Stations are located at Cape Grim, American Samoa, Barbados, and Mace Head.
NOAA Earth System Research Laboratory
| data products | data archive |
As of October 1, 2005, the Climate Monitoring and Diagnostics Laboratory has merged into the Earth System Research Laboratory (ESRL) as part of its Global Monitoring Division (GMD)
GMD's mission is to observe and understand, through accurate, long-term records of atmospheric gases, aerosol particles, and solar radiation, the Earth's atmospheric system controlling climate forcing, ozone depletion and baseline air quality, in order to develop products that will advance global and regional environmental information and services
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