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<meta content="Reading, A.M." name="eprints.creators_name" />
<meta content="Kennett, B.L.N." name="eprints.creators_name" />
<meta content="Sambridge, M." name="eprints.creators_name" />
<meta content="Anya.Reading@utas.edu.au" name="eprints.creators_id" />
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<meta content="2007-08-31" name="eprints.datestamp" />
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<meta content="Improved inversion for seismic structure using transformed,
S-wavevector receiver functions: Removing the effect of the free surface" name="eprints.title" />
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<meta content="The determination of structure from the inversion of
teleseismic receiver functions may be improved by
removing the contribution of the free surface. The free
surface interaction gives rise to the highest amplitude signal on standard receiver functions and yet this initial pulse tells us little about the receiver structure below the surface layer. We apply a transformation to P, S and Horizontal wavevector components, which removes the free surface response and hence the initial P-pulse. A pure receiver function is calculated by deconvolving the S-wavevector component with the P-wavevector. In general, converted phase amplitudes within the receiver function waveform are better matched by the inverse algorithm, resulting in an improved estimation of seismic structure. In particular, low amplitude receiver function waveforms, often associated with poorly constrained structure, now yield a successful inverse." name="eprints.abstract" />
<meta content="2003" name="eprints.date" />
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<meta content="Geophysical Research Letters" name="eprints.publication" />
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<meta content="19" name="eprints.number" />
<meta content="10.1029/2003GL018090" name="eprints.id_number" />
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<meta content="Agostinetti, N. P., F. P. Lucente, G. Selvaggi, and M. Di Bona, Crustal structure and Moho geometry beneath the Northern Appennines (Italy), Geophys. Res. Lett., 29(20), 1999, doi:10.1029/2002GL015109, 2002.
Ammon, C. J., The isolation of receiver effects from teleseismic P waveforms, Bull. Seism. Soc. Am., 81, 2504-2510, 1991.
Ammon, C. J., and G. Zandt, Receiver structure beneath the southern Mojave block, California, Bull. Seism. Soc. Am., 83, 737-755, 1993.
Bannister, S., J. Yu, B. Leitner, and B. L. N. Kennett, Variations in crustal structure across the transition from West to East Antarctica, Southern Victoria Land, Geophys. J. Int., in press, 2003.
Betts, P. G., D. Giles, G. S. Lister, and L. R. Frick, Evolution of the Australian Lithosphere, Aust. J. Earth Sci., 49, 661-695, 2002.
Cassidy, J. F., Numerical experiments in broadband receiver function analysis, Bull. Seism. Soc. Am., 82, 1453-1474, 1992.
Dahl-Jensen, T., et al., Depth to Moho in Greenland: Receiver-function analysis suggests two Proterozoic blocks in Greenland, Earth Planet. Sci. Lett., 205, 379-393, 2003.
Goleby, B. R., et al., Crustal structure and fluid flow in the Eastern Goldfields, Western Australia: Results from the AGCRCs Yilgarn Deep Seismic Reflection Survey and Fluid Flow Modelling Projects, Aust. Geol.Surv. Org., Record 2000/34, 2000.
Helffrich, G. R., and S. Stein, Study of the structure of the slab-mantle interface using reflected and converted seismic waves, Geophys. J. Int.,115, 14-40, 1993.
Kennett, B. L. N., The removal of free surface interactions from threecomponent seismograms, Geophys. J. Int., 104, 153-163, 1991.
Kind, R., G. L. Kosarev, and N. V. Petersen, Receiver functions at the stations of the German Regional Seismic Network (GRSN), Geophys. J. Int., 121, 191-202, 1995.
Langston, C. A., Structure under Mount Rainier, Washington, inferred from teleseismic body waves, J. Geophys. Res., 84, 4749-4792, 1979.
Reading, A. M., B. L. N. Kennett, and M. C. Dentith, Seismic structure of the Yilgarn Craton, Western Australia, Aust. J. Earth Sci., 50, 427-438, 2003.
Reading, A. M., and B. L. N. Kennett, Lithospheric structure of the Pilbara Craton, Capricorn Orogen and northern Yilgarn Craton, Western Australia, from teleseismic receiver functions, Aust. J. Earth Sci., 50, 439-445, 2003.
Sambridge, M. S., Geophysical inversion with a neighbourhood algorithm. I. Searching a parameter space, Geophys. J. Int., 138, 479-494, 1999.
Shibutani, T., M. S. Sambridge, and B. L. N. Kennett, Genetic algorithm inversion for receiver functions with application to crust and uppermost mantle structure beneath Eastern Australia, Geophys. Res. Lett., 23, 1826-1832, 1996.
Vinnik, L. P., Detection of waves converted from P to SV in the mantle, Phys. Earth. Planet. Inter., 15, 39-45, 1977." name="eprints.referencetext" />
<meta content="Reading, A.M. and Kennett, B.L.N. and Sambridge, M. (2003) Improved inversion for seismic structure using transformed, S-wavevector receiver functions: Removing the effect of the free surface. Geophysical Research Letters, 30 (19). ISSN 0094-8276" name="eprints.citation" />
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S-wavevector receiver functions: Removing the effect of the free surface" name="DC.title" />
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<meta content="Kennett, B.L.N." name="DC.creator" />
<meta content="Sambridge, M." name="DC.creator" />
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<meta content="The determination of structure from the inversion of
teleseismic receiver functions may be improved by
removing the contribution of the free surface. The free
surface interaction gives rise to the highest amplitude signal on standard receiver functions and yet this initial pulse tells us little about the receiver structure below the surface layer. We apply a transformation to P, S and Horizontal wavevector components, which removes the free surface response and hence the initial P-pulse. A pure receiver function is calculated by deconvolving the S-wavevector component with the P-wavevector. In general, converted phase amplitudes within the receiver function waveform are better matched by the inverse algorithm, resulting in an improved estimation of seismic structure. In particular, low amplitude receiver function waveforms, often associated with poorly constrained structure, now yield a successful inverse." name="DC.description" />
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<h1 class="ep_tm_pagetitle">Improved inversion for seismic structure using transformed, S-wavevector receiver functions: Removing the effect of the free surface</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Reading, A.M.</span> and <span class="person_name">Kennett, B.L.N.</span> and <span class="person_name">Sambridge, M.</span> (2003) <xhtml:em>Improved inversion for seismic structure using transformed, S-wavevector receiver functions: Removing the effect of the free surface.</xhtml:em> Geophysical Research Letters, 30 (19). ISSN 0094-8276</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/1722/1/Reading%2C_Kennett%2C_Sambridge_2003.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/1722/1/Reading%2C_Kennett%2C_Sambridge_2003.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />849Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="2218" name="docid" accept-charset="utf-8" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The determination of structure from the inversion of
teleseismic receiver functions may be improved by
removing the contribution of the free surface. The free
surface interaction gives rise to the highest amplitude signal on standard receiver functions and yet this initial pulse tells us little about the receiver structure below the surface layer. We apply a transformation to P, S and Horizontal wavevector components, which removes the free surface response and hence the initial P-pulse. A pure receiver function is calculated by deconvolving the S-wavevector component with the P-wavevector. In general, converted phase amplitudes within the receiver function waveform are better matched by the inverse algorithm, resulting in an improved estimation of seismic structure. In particular, low amplitude receiver function waveforms, often associated with poorly constrained structure, now yield a successful inverse.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">lithosphere, seismology, orogen</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/260200.html">260000 Earth Sciences > 260200 Geophysics</a><br /><a href="http://eprints.utas.edu.au/view/subjects/260100.html">260000 Earth Sciences > 260100 Geology</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">1722</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Mrs Katrina Keep</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">31 Aug 2007</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">30 Jan 2008 15:35</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=1722;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=1722">item control page</a></p>
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