IAN-USA SAGE III METEOR-3M PROJECT

The Russian Space Agency of the Russian Federation and the National Ae ronautics and Space Administration of the United States have agreed to fly a US Stratospheric Aerosol and Gas Experiment (SAGE III) instrume nt aboard a Russian Meteor-3M spacecraft in 1998 and a US Total Ozone Mapping Spectrometer (TOMS) in 2000. These joint projects are part of the Russia-US Mission to Planet Earth Joint Working Group under the Go re Chernomyrdin Commission, and continue the successful Russian-Americ an cooperation in atmospheric chemistry and physics. This paper descri bes the organization of the these projects, outlines the development p lans for the instrument, and provides technical descriptions of the Me teor-3M/SAGE III mission.