[unav_all] IUGG 2015 session on Dynamics of the Cryosphere from Geometric and Gravimetric Observations
Matt.King at utas.edu.au
Wed Jan 14 16:04:46 MST 2015
Dear Colleagues [with apologies for multiple postings] - the IUGG abstract deadline is just 16 days away (Jan 31). Please submit your abstracts and encourage your colleagues to do so.
The International Union of Geodesy and Geophysics (IUGG) General Assembly will be held during 22 June - 2 July 2015 in Prague, Czech Republic
The full scientific program is available at http://www.iugg2015prague.com/
I would like to highlight to you the following session:
JG1 Dynamics of the Cryosphere from Geometric and Gravimetric Observations (IAG, IACS)
Conveners: Mirko Scheinert, Dresden, Germany (IAG), Pippa Whitehouse, Durham, UK (IACS); Matt King, Hobart, Australia (IAG); Erik Ivins, Pasadena, USA (IAG)
Description: The cryosphere is undergoing huge changes, and multidisciplinary studies offer the best approach to understand its past, current and future state. Geodesy provides an array of observational tools that operate across a spectrum of spatial scales: from the enormous areal extent of the Antarctic and Greenland ice sheets down to flow features within individual glaciers. Satellite methods play key roles: radar and laser altimetry enable us to infer height changes of the ice surface, radar interferometry and feature tracking allow monitoring of glacial flux, while satellite gravimetry provides a direct measurement of ice-mass changes. Independently, GNSS observations of crustal deformation reflect the loading effects of past and present ice-mass changes and provide constraints to disentangle ice-mass effects from solid earth effects in satellite altimetry and gravimetry. Furthermore, ground-based and airborne methods provide important spatial and temporal densification and calibration/validation of satellite measurements.
In recent years, our understanding of glacier, ice cap and ice sheet behaviour has advanced through a variety of synergistic combinations of geodetic methods with geological, geophysical and glaciological observation techniques. In particular, modeling efforts that are validated by geodetic data improve our understanding of the mechanisms and processes driving ice dynamics. In addition, the modeling of glacial-isostatic adjustment is of central importance to making reliable estimates of ice-mass balance by satellite gravimetry, especially in Antarctica.
For this symposium, contributions are sought on all aspects of space-, air- and ground-based geodesy applied to cryosphere studies, from individual glaciers to entire ice sheets. We particularly welcome the interdisciplinary use of a variety of observational techniques to understand the stability and evolution of the cryosphere and test numerical models. We hope that this symposium will present a detailed but also comprehensive picture of the dynamic state of the cryosphere, from ice sheets to individual glaciers.
Feel free to redistribute to interested colleagues.
Professor of Polar Geodesy & ARC Future Fellow
Surveying and Spatial Sciences | School of Land and Food
University of Tasmania
Private Bag 76, Hobart, Tasmania, 7001, Australia
T +61 3 6226 1974 | E Matt.King at utas.edu.au<mailto:Matt.King at utas.edu.au> | Skype mattking_ncl | Twitter @DeformedEarth
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