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SUMMARY:Seismology in the understanding of Ocean Storms - Prof. Anya Readi
 ng\, University of Tasmania
DTSTART:20180530T150000Z
DTEND:20180530T160000Z
UID:TALK103327@talks.cam.ac.uk
CONTACT:Sanne Cottaar
DESCRIPTION:ABSTRACT:\nAmbient seismic noise\, the background signal ubiqu
 itous on seismic records\, yields a wealth of information on ocean wave ac
 tivity. While satellite observations and wave-rider buoys respectively pro
 vide global overviews and spot measurements of ocean storms\, they frequen
 tly give contrasting results.  Seismology provides an independent means of
  investigation\, particularly where array data and/or multi-decadal record
 s are available.\nThis presentation reviews the motivation for understandi
 ng ocean storms\, both in terms of their own occurrence and severity\, and
  as a noise source for Earth imaging.   The needs of ocean-focussed seismo
 logy\, in comparison to classic earthquake seismology are noted and innova
 tive methods of seismic data processing\, including array processing are o
 utlined.  New insights are outlined\, including the frequency dependence o
 f source locations\, newly observed seismic phases\, the nature of ocean s
 ource signals in short time windows and the changing patterns of ocean sto
 rms over three decades.\n\nBIO:\nAnya Reading leads the 'Compute Earth' re
 search group at the School of Natural Sciences (Physics)\, University of T
 asmania as a Professor of Geophysics. As an undergraduate at the Universit
 y of Edinburgh she studied astrophysics and took Honours in geophysics. Th
 rough PhD research at the University of Leeds focused on New Zealand seism
 ology\, she began a journey of discovery of the southern hemisphere contin
 ents\, their tectonic origins and evolution. She held a post-doc position 
 with British Antarctic Survey\, and moved to the Australian National Unive
 rsity in 2000. In 2007\, she joined the academic faculty at University of 
 Tasmania\, Hobart: Australia’s international hub for Antarctic and South
 ern Ocean science and logistics.
LOCATION:Marine/Wolfson Building lecture hall\, Bullard Labs.
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