[unav_all] [SSA 2019] Photonic and Non-inertial Seismology

NATE LINDSEY natelindsey at berkeley.edu
Tue Dec 18 10:05:34 MST 2018


Dear Colleague --

Please consider submitting an abstract to our session on "Photonic and
Non-Inertial Seismology" at the upcoming SSA Annual Meeting April 2019 in
Seattle, Washington.

Session: Photonic and Non-inertial Seismology

Abstract: Emerging photonic and non-inertial seismic measurements of ground
motion that use laser interferometery or a networked array of stationary
receivers (e.g., GNSS) instead of a classical “mass-on-a-spring” are
expanding our capacity to observe the structure and dynamics of Earth
systems. These photonic and non-inertial tools include fiber-optic and
distributed fiber-optic strain sensors (e.g., interferometers, Bragg
grating methods, DAS) and ring-laser rotational sensors. There are key
theoretical and practical differences (advantages and disadvantages)
between inertial and non-inertial sensors, which are the present focus of
many seismological and computational science research groups worldwide.
These include measurement of strain and rotation, perhaps in addition to
particle velocity, and the ability to record terabytes of Large-N seismic
data with meter-scale sensor spacing. Also, seismogeodetic techniques such
as GNSS precise point positioning increases the dynamic range and accuracy
of (particularly large) ground displacements and strain. Because
non-inertial data often contain information on displacement gradients of a
seismic wavefield (i.e., strain), there is a need to develop a fundamental
theoretical framework to cope with this new data type. Moreover, the
diverse advantages of non-inertial seismology make way for new data
analysis methods, or the adaptation of existing methods to this new data
type, with the potential to make novel observations of the planet. This
session aims to crosscut the emerging space of photonic and other
non-inertial seismological methods with contributions on sensor design,
technical instrumentation aspects and current roadblocks,
inertial/non-inertial comparisons, case studies involving theoretical and
real datasets and applications ranging from basic science to
engineering/monitoring.

Abstract deadline: 11 January 2019
Submit: https://www.seismosoc.org/annual-meeting/program/
Full meeting information: https://www.seismosoc.org/annual-meeting/

Conveners:
Nathaniel J. Lindsey, University of California, Berkeley (
natelindsey at berkeley.edu);
Patrick Paitz, ETH Zurich (patrick.paitz at erdw.ethz.ch);
Paul Bodin, University of Washington (bodin at uw.edu);
Jamie Steidl, University of California, Santa Barbara (steidl at eri.ucsb.edu
);
Eileen Martin, Virginia Tech (eileenrmartin at vt.edu);
Zefeng Li, Caltech (zefengli at gps.caltech.edu)
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