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SLR-Mail No.1439

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Date:2006-02-16 17:53:00
Sender:Wolfgang Bosch, C.K. Shum, Phil Woodworth and Gary Mitchum <Wolfgang Bosch <bosch@dgfi.badw.de>>
Subject:[SLR-Mail] No. 1439: (no subject)
Author:Wolfgang Bosch, C.K. Shum, Phil Woodworth and Gary Mitchum
Content:********************************************************************************
SLR Electronic Mail 2006-02-16 17:53:00 UTC Message No. 1439
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Author: Wolfgang Bosch, C.K. Shum, Phil Woodworth and Gary Mitchum
Subject: (no subject)
Subject: International Altimeter Service (IAS) - VENICE2006 meeting
Subject: International Altimeter Service (IAS) - VENICE2006 meeting

Dear Colleagues!

We cordially invite you to a splinter meeting during the VENICE2006
conference, dedicated to the

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Creation of an International Altimetry Service (IAS)
taking place on
Wednesday, March 15th, 18:00 – 19:30 in Room 2-6.
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The initiative emanates from the IAS Planning Group (IAS-PG),
commissioned by
- the Global Sea Level Observing System, GLOSS,
- the International Association of Geodesy, IAG, and
- the International Association for the Physical Sciences of the Oceans,
IAPSO.

Satellite altimetry will have to become an essential component of global
Earth
observing systems as coordinated by GEOSS (Global Earth Observing System
of Systems).
It is requested to provide long, accurate time series of multi-mission
radar and
laser altimeter data. It requires standards on formats, processing
algorithms, and
geophysical/media/instrument corrections. Attention must be paid to the
embedding
into a reference frame and to the long-term stability of the altimeter
and ancillary
sensors implying cross-calibration between all altimeter missions as
well as between
different altimeter technologies (pulse limited nadir, laser, wide
swath, Delay
Doppler, etc.).
All these requirements are best fulfilled by an International Altimetry
Service (IAS),
acting in a mission and agency independent capacity, but set up by the
integration
of many organisations already providing data and products for satellite
altimetry.

IAS-PG therefore intends to submit a Call for participating in the
envisaged IAS.
Proposals will be sought for data and product centres, analysis centres,
and a
Central Bureau which should operate a common IAS Information Service.
The draft
Terms of References (TOR) for the IAS is attached to this email. The TOR
- allows accommodation of all organisations and groups that generate,
archive,
distribute and analyse altimeter data, work on calibration and
validation or
generate value-added products,
- keeps the organisation as lean as possible (with the Central Bureau
and the
Information Centre being necessary components), and
- ensures a proper representation of sciences (e.g. OST-ST) by means of the
Advisory Board.

Herewith you are cordially invited to give comments and suggestions on
the TOR and the
IAS organisation. Expressions of interest to participate in the IAS are
welcome. We
address in particular those institutions which have sufficient resources
to host the
Central Bureau coordinating and managing the IAS and operating the
Information Service.

If you like to comment on the TOR or the IAS organisation, please either
- post emails to ias-pg@dgfi.badw.de , an open mailing list for
discussions on the
envisaged IAS. You may subscribe this list or just look at the archive,
see http://www.dgfi.badw.de/mailman/listinfo/ias-pg
- or visit http://www.dgfi.badw.de/wiki, a collaborative website of the
IAS-PG where
the draft TOR is also found and can be discussed.

At the VENICE2006 splinter meeting we will review all contributions,
discuss on the
final TOR and consider further steps for the establishment of IAS.

Wolfgang Bosch, C.K. Shum, Phil Woodworth and Gary Mitchum

Please accept our apologies for multiple receipts of this email.

--
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Wolfgang Bosch, DGFI, Alfons-Goppel-Straße 11, D-80539 München, Germany
Tel. +49 89 23031-1115 Fax: -240 email: bosch@dgfi.badw.de
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From: Wolfgang Bosch

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