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IERS Message No. 372                                   February 06, 2019
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IAG Symposium "Reference Systems and Frames" at IUGG General Assembly


Dear colleagues,

We would like to draw your attention to the "Reference Systems and
Frames" session (G1) of the next IUGG General Assembly in Montreal (July
8-18, 2019). Please consider submitting an abstract to this session (see
http://iugg2019montreal.com/g.html for this and other geodetic
sessions).

Abstract submission deadline: 18th February
(http://iugg2019montreal.com/abstract-submission.html).

We are looking forward to seeing you in Montreal.

Best regards,

Geoff Blewitt, Johannes Boehm, Xavier Collilieux, Zinovy Malkin


IAG Symposium G01: Reference Systems and Frames

Convener: Goeffrey Blewitt (USA)
Co-Conveners: Johannes Boehm (Austria), Xavier Collilieux (France),
Zinovy Malkin (Russia)

Description:
Reference systems and frames are of primary importance for scientific
research, satellite navigation, and geospatial applications. A precisely
defined and accurate reference frame improves our understanding of
Earth's rotation and its gravity field, sea level change with time and
global environmental change, tectonic plate motion, glacial isostatic
adjustment, geocenter motion, deformation due to the earthquake cycle,
terrestrial water storage, ice-sheet melting, ocean loading, and
volcanism. An accurate reference frame is also needed to position GNSS,
SLR, and DORIS satellites, and Earth observation satellites and aircraft
with geodetic sensors such as those used for ocean and ice-sheet
altimetry, InSAR, gravimetry, and LiDAR. Furthermore, self-consistency
is required to connect the terrestrial frame, celestial frame, and Earth
rotation parameters to realize the inherent stability in orientation and
scale provided by VLBI observations. Co-location, whether it be in space
or on the ground, is also important to tie the various space geodetic
techniques together into one consistent system. For this symposium, we
solicit presentations dealing with theoretical aspects of reference
systems and the practical realization of reference frames, as well as
their various applications like those mentioned above and beyond. All
the topics related to improvement of the accuracy and stability of the
reference frames are also among the primary interests for this
symposium. In particular, we seek contributions devoted to
identification and mitigation of systematic errors in reference frames
realizations. We also solicit presentations on new and emerging
technologies applicable to the future of reference frames such as
relativistic and quantum geodetic sensors.


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