Partners

The following institutes have been and/or are part of SACS:

	Belgian Institute for Space Aeronomy, Brussels, Belgium. Tasks: Service lead, notification service, website, SO2 data from SCIAMACHY, GOME-2, IASI, OMI and AIRS People: Michel Van Roozendael, Nicolas Theys, Jeroen Van Gent, Caroline Fayt, and Hugues Brenot.
	Royal Netherlands Meteorological Institute, De Bilt, The Netherlands. Tasks: SO2 data from OMI, AAI from OMI, GOME-2 and SCIAMACHY People: Ronald van de A, Roeland van Oss, and Bas Mijling.
	Free University of Brussels, Brussels, Belgium. Tasks: SO2 and ash data from IASI, and ash data AIRS People: Pierre-François Coheur, Lieven Clarisse, Cathy Clerbaux, Yasmine Ngadi, Jean-Lionel Lacour, and Daniel Hurtmans.
	German Aerospace Center, Oberpfaffenhofen, Germany. Tasks: SO2 data from GOME-2 and retrieval support People: Pieter Valks, Pascal Hedelt, Diego Loyola, Thilo Erbertseder, Cordelia Maerker, Bernd Aberle, Walter Zimmer, and Juergen Jaeger.
	Norwegian Institute for Air Research, Bergen, Norway. Tasks: SO2 data from AIRS People: Fred Prata, Adam Durant, Andreas Stohl, Kerstin Stebel, and Aasmund Fahre Vik.
	Finnish Meteorological Institute Tasks: Data Provider for OMI SO2 data in Very Fast Delivery over Europe. People: Johanna Tamminen and Seppo Hassinen.
	National Aeronautics and Space Administration of United States of America Tasks: Data Provider for OMI (see http://so2.gsfc.nasa.gov) and AIRS instruments. People: Nick Krotkov, Simon Carn, Kai Yang, Eric Hughes, Keith Evans, and Arlin Krueger.
	Jet Propulsion Laboratory, California, USA. Tasks: SO2 data from AIRS and retrieval support People: Edward Olsen, Scott Hannon, Larrabee Strow, Christopher Barnet, Hartmut Aumann, Eric Fetzer, Alan Buis, Thomas Pagano, Joao Teixeira, and Sharon Ray.
	European Space Agency Data Provider for SCIAMACHY, GOME-2 and IASI instruments.
	EUMETSAT Data Provider for GOME-2 and IASI instruments.
	National Center of Spatial Studies Data Provider for IASI instrument.

 
We would furthermore like to thank the following people for discussions, suggestions and other help:

ESA-ESRIN	Claus Zehner
CGS Milano	Lucia Tampellini
IPG Paris	Fabrizio Ferrucci
JPL Pasadena	Edward Olsen
Météo France / Toulouse VAAC	Philippe Husson, Patrick Josse
NILU	Fred Prata
RT Soluctions, Inc.	Rob Spurr
UK Met. Office / London VAAC	Claire Witham, Nigel Gait Sarah Watkin
University of Maryland / NASA	Arlin Krueger, Simon Carn, Nick Krotkov
US Geological Survey	Marianne Guffanti
German Airline Pilots' Association	Klaus Sievers