Federal Office of Meteorology and Climatology MeteoSwiss

GAW - Global Atmosphere Watch

GAW at a Glance

The Global Atmosphere Watch (GAW) Programme was established by the World Meteorological Organization (WMO) in 1989. GAW is a partnership of 80 countries worldwide that promotes and secures sustainable data monitoring of the atmospheric composition on a global scale.

 

Aufnahme aus dem All: Erdoberfläche mit deutlich sichtbarer Atmosphäre (und Mond im Hintergrund)

Photo: NASA

The GAW Programme aims to provide high quality data through observations in combination with analyses of the atmospheric composition and its physical properties. It supports a worldwide network of selected atmospheric monitoring stations that measure greenhouse gases, ozone, UV-radiation, aerosols, reactive gases, and precipitation chemistry. The GAW network includes 34 global and more than 600 regional stations and 200 additional stations from contributing networks. Climate relevant aspects of the GAW Programme directly contribute to the Global Climate Observing System (GCOS).

 

National research programmes and capacity building initiatives are examples for the diversity of GAW related activities on a national level. Upon request of WMO, member states can also operate international services including, for instance, world and regional calibration centers.


The Swiss GAW Programme (GAW-CH) is coordinated by the GAW-CH Office, hosted by the Federal Office of Meteorology and Climatology MeteoSwiss.

 

GAW Science Call

GAW icons (red)

GAW International

Logo GAW international

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