SO2 data and alert service

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Product information

Introduction
 
Slant column density vs.
vertical column density
Geographic regions
Data presentation
and delivery
Solar Zenith Angle
What is the Dobson Unit?
 
Slant column retrieval
Background correction
Reference spectrum
Cloud cover fraction
 
Near-real time service
Criteria for exceptional
SO2 concentrations
 
Air-mass factor using
look-up tables
Air-mass factor using a
chemistry transport model
SO2 column from OMI
 
Time period of
available data
Data format specification
Data and Service
version history
Validation of the
data products
South Atlantic Anomaly
 
Downloading
data & image files
Documentation
References
Acronyms
Acknowledgments


 
NOTE:   This is the OLD product info. Some parts of it are no longer up to date, while other parts are missing -- see the remark on the main product info page.

Acknowledgments

The Volcanic & Air Quality SO2 services are set up and distributed as part of the following projects:
TEMIS -- Tropospheric Emission Monitoring Internet Service
PROMOTE -- Protocol Monitoring for the GMES Service Element
by the Belgian Institute for Space Aeronomy (BIRA-IASB, Brussels, Belgium) in collaboration with DLR (Oberpfaffenhofen, Germany) and KNMI (De Bilt, The Netherlands).

 
 
The TEMIS and PROMOTE projects are supported by the European Space Agency (ESA).
European Space Agency
 
The NRT Volcanic SO2 Service is part of the Support to Aviation Control Service (SACS) of PROMOTE stage II.
SACS

 

Partners in SACS

BIRA-IASB Jeroen van Gent, Michel Van Roozendael,
Isabelle De Smedt, Caroline Fayt,
Nicolas Theys, Hugues Brenot, Jos van Geffen
CGS Walter Di Nicolantonio, Lucia Tampellini,
Giovanni Ballista, Alessandra Cacciari
DLR Pieter Valks, Meike Rix,
Thilo Erbertseder, Cordelia Maerker
KNMI Ronald van der A, Roeland van Oss
ULB Pierre Coheur, Lieven Clarisse,
Cathy Clerbaux
 

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

ESA-ESRIN Claus Zehner
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
University of Calabria Fabrizio Ferrucci
University of Maryland / NASA Arlin Krueger, Simon Carn,
Nick Krotkov
US Geological Survey Marianne Guffanti

 

 


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