G14A:
Separating and Explaining Multiple Signals in Geodetic Data II

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Session ID#: 15637

Session Description:
One of the great challenges of geodesy is to separate out, and understand, the multiple signals that appear in the various geodetic time series. This includes separating long-term and short-term signals with a desire to remove one from the other, or signals with similar periods from other signals or noise. This is particularly relevant as the noise floor reduces with ongoing developments in data analysis. This session focuses on all such geodetic data, and includes coordinate positions (including high rate ones), gravity time series, sea level observations and earth orientation data but applications from all applications of geodetic data are welcome. Examples include separation of post-seismic deformation from plate tectonic motion, glacial isostatic adjustment, hydrology and/or reference frame errrors, or the various contributors to present-day polar motion. Submissions are particularly welcome which focus on the application of novel data filtering techniques or apply new models.
Primary Convener:  Matt A King, University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia
Conveners:  Matt A King, University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia and Alvaro Santamaría-Gómez, University of La Rochelle, La Rochelle, France
Chairs:  Alvaro Santamaría-Gómez, University of La Rochelle, La Rochelle, France and Matt A King, University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia
OSPA Liaison:  Matt A King, University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia

Cross-Listed:
  • C - Cryosphere
  • OS - Ocean Sciences
  • T - Tectonophysics
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1207 Transient deformation [GEODESY AND GRAVITY]
1217 Time variable gravity [GEODESY AND GRAVITY]
1223 Ocean/Earth/atmosphere/hydrosphere/cryosphere interactions [GEODESY AND GRAVITY]
1241 Satellite geodesy: technical issues [GEODESY AND GRAVITY]

Abstracts Submitted to this Session:

Systematic assessment of atmospheric uncertainties for InSAR data at volcanic arcs using large-scale atmospheric models: Application to the Cascade volcanoes, United States (Invited) (118483)
Amy L Parker1, Juliet Biggs2, Richard J Walters3, Susanna K Ebmeier4, Tim J Wright4, Nicholas A Teanby5 and Zhong Lu6, (1)Curtin University, Perth, WA, Australia, (2)University of Bristol, COMET, School of Earth Sciences, Bristol, United Kingdom, (3)University of Durham, Durham, United Kingdom, (4)University of Leeds, COMET, School of Earth and Environment, Leeds, United Kingdom, (5)University of Bristol, Bristol, United Kingdom, (6)Southern Methodist University, Roy M. Huffington Department of Earth Sciences, Dallas, TX, United States
Principle component analysis to separate deformation signals from multiple sources during a 2015 intrusive sequence at Kīlauea Volcano (166657)
Ingrid A Johanson, USGS, Hawaiian Volcano Observatory, Hilo, United States, Asta Miklius, USGS Hawaiian Volcano Observatory, Hilo, HI, United States and Michael P Poland, Cascades Volcano Observatory, U. S. Geological Survey, Vancouver, WA, United States
Estimating secular velocities from GPS data contaminated by postseismic motion at sites with limited pre-earthquake data (125590)
Jessica R Murray and Jerry L Svarc, U.S. Geological Survey, Earthquake Science Center, Menlo Park, United States
A new approach to post-seismic decay with temporal correlation (155062)
Anna Klos, Military University of Technology, Warszawa, Poland, Machiel Simon Bos, Instituto Dom Luiz (IDL), University of Beira Interior (UBI), SEGAL, Covilhã, Portugal, Rui Manuel Silva Fernandes, University of Beira Interior, Instituto D. Luis, Covilha, Portugal and Janusz Bogusz, Military University of Technology, Warsaw, Poland
Examining the role of land motion in estimating altimeter system drifts (129013)
Eric W Leuliette, NOAA College Park, College Park, MD, United States and Amanda M Plagge, Dartmouth College, Hanover, NH, United States
A Comparison of Full and Empirical Bayes Techniques for Inferring Sea Level Changes from Tide Gauge Records (130835)
Christopher G Piecuch, Woods Hole Oceanographic Institution, Physical Oceanography, Woods Hole, United States, Peter J Huybers, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States and Martin Tingley, Pennsylvania State University Main Campus, University Park, PA, United States
Continental deformation in Australia due to the geocenter motion, seasonal water cycles and the 2010-11 La Niña from GPS and GRACE (170998)
Shin-Chan Han, University of Newcastle, Callaghan, Australia
Identifying high frequency signals in the daily swath mascon solutions from GRACE (Invited) (118489)
Himanshu Save, The University of Texas at Austin, Center for Space Research, Austin, TX, United States

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