Monitoring of volcanic activity from satellite as part of GSE PROMOTE

Jos van Geffen, Michel Van Roozendael, Walter Di Nicolantonio, Lucia Tampellini,
Pieter Valks, Thilo Erbetseder, and Ronald van der A
in: Proceedings of the 2007 ENVISAT Symposium, 23--27 April 2007
Montreux, Switzerland, ESA publication SP-636 (CD-ROM).


One of the services in GSE PROMOTE Stage II is the Support to Aviation Control Service, SACS for short. The aim of SACS is to deliver in near-real-time data derived from satellite measurements regarding SO2 and aerosol emissions possibly related to volcanic eruptions, and where possible to track volcanic plumes. In case of "exceptional SO2 concentrations", SACS will issue a notification by e-mail to interested parties.

Together with information from other sources, data from SACS can assist official organisations - the Volcanic Ash Advisory Centres (VAACs) - when issuing alerts regarding volcanic activity to air traffic control and airline organisations, so as to help them to decide whether to reroute aeroplanes in case of volcanic clouds.

This paper gives an overview of the background and structure of SACS and presents a few example results. More information and links to the data products (maps and data files) can be found via the SACS web portal or via the PROMOTE website under "special services".


   1. Introduction
   2. Hazard to aviation
   3. Users of SACS
   4. Overview of the service
      4.1  Processing system
      4.2  Notification system
   5. Validation
   6. Concluding remarks

PDF file of the paper (6 pages; 382 kB)

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created: 7 May 2007
last modified: 9 August 2011