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Presentations – 2005

Talks and papers presented at conferences and seminars

EuroArray

Jones, A.G., Probing the mantle with MT. Invited paper at: EuroArray Workshop, Budapest, Hungary, 15-16 March.

Jones, A.G., P. Maguire, and H. Thybo. EuroArray: Comprehensive high-resolution survey of the European mantle. EGU2, Vienna, 25-29 April.

Thybo, H., A.G. Jones and P. Maguire. EuroArray: EuroArray: 4D Europe, The assembly of a continent. Invited paper at: PICASSO Workshop, Granada, Spain, 25-26 June.

Jones, A.G., P. Maguire, and H. Thybo. EuroArray: Scientific objectives and technical aspects. Invited paper at: PICASSO Workshop, Granada, Spain, 25-26 June.

Geodynamic modelling

Yamasaki, T. Rheological modeling of large-scale Earth’s structures and Cosmogrid resources, CosmoGrid Conference in Dublin, January.

Yamasaki, T., Miura, H. Passive Margin Uplift Associated with Gondwana Breakup Possibly controlling the Global Climate Change, IGRM, Dublin, February.

Yamasaki, T. Localized rheological weakening by grain-size reduction as a possible origin of asymmetric extension associated with reactivation of rifting,Vienna, EGU, Austria, April 26.

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HADES (Hatton Deep Seismic)

Ravaut C. Parallel computational techniques applied to inversion of wide-angle seismic datasets, West of Ireland. COSMOGRID meeting, Dublin, Ireland, January 2005.

Ravaut, C. A wide-angle seismic study of the West Hatton margin: Results of the HADES experiment. TGIF seminar. Dublin Institute for Advanced studies, Dublin, Ireland, February.

Ravaut C., Chabert A., Gernigon L., O’Reilly B. M., Readman P. W. and Shannon P. M., 2005. A wide-angle seismic study of the Hatton Continental margin: Preliminary results from the HADES project. 48th Annual Irish Geological Research Meeting, Walton Theatre, Trinity College Dublin, Ireland, February, 18-21. Poster.

Gernigon, L., Ravaut, C., Shannon, P.M., Chabert, A., O’Reilly, B.M. and Readman, P.W. Contrasting Styles Between the Structure of the West and South Hatton/Rockall Margins (Irish offshore). 48th Annual Irish Geological Research Meeting, Walton Theatre, Trinity College Dublin, Ireland, February, 18-21. Poster.

Chabert, A., C. Ravaut, B.M. O’Reilly, P.W. Readman, P.M. Shannon, and L. Gernigon, The Hatton Basin: wide-angle seismic imaging from the HADES Experiment. 48th Annual Irish Geological Research Meeting, Trinity College Dublin, Ireland, February, 18-21.

Ravaut C., Chabert, A., Gernigon, L. , O’Reilly, B. M., Readman, P. W., Shannon, P. M., Makris, J.; Gaye, M. Wide-angle seismic imaging of the west Hatton margin (North Atlantic): Results of the HADES experiment. European Geosciences Union (EGU) General Assembly 2005, Vienna, Austria, 24 – 29 April. Abstract. Talk.

Gernigon, L., Ravaut, C., Shannon, P.R., Chabert, A., O’Reilly, B.M. and Readman, P.W. 2005. Formation and evolution of Irish passive margins: implications for locating the transition between continental and oceanic crust. European Geosciences Union (EGU) General Assembly 2005, Vienna, Austria, 24 – 29 April. Abstract. Poster.

Chabert, A., C. Ravaut, L. Gernigon, P.W. Readman, B.M. O’Reilly and P.M. Shannon. Wide-Angle Seismic imaging of the Hatton Basin. BGA PGM, Galway, 31 August – 2 September.

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ISLE (Irish Seismic Lithospheric Experiment)

Do, V. C., Readman, P. W., O’Reilly, B. M. Back-azimuthal variation of shear-wave splitting in south west Ireland, British Geophysical Association Post-grad research meeting, Galway, Ireland

Do, V. C., Readman, P. W., O’Reilly, B. M. Shear-wave splitting measurements from teleseismic and active-source data across the Iapetus Suture Zone in Ireland: preliminary results, EGU General Assembly Meeting, Vienna, Austria

Do, V. C., Readman, P. W., O’Reilly, B. M. Investigation of crustal and upper mantle anisotropy across the Iapetus Suture Zone in Ireland using shear-wave splitting analysis from teleseismic and active-source data: preliminary results, Irish Geological Research Meeting, Dublin, Ireland.

ISLE-MT (Irish Seismic Lithospheric Experiment – Magnetotelluric)

Moorkamp, M., C.K. Rao, and A.G. Jones. Noise reduction in magnetotelluric recordings using adaptive filters. Inst. of Physics in Ireland meeting, Newbridge, Ireland, 18-20 March.

M. Moorkamp, C.K. Rao and A. G. Jones. Noise cancellation in magnetotelluric time series using adaptive methods. European Geosciences Union (EGU). Talk.

Moorkamp, M., C.K. Rao, and A.G. Jones. Joint inversion of magnetotelluric and receiver function data using a genetic algorithm. BGA PGM, Galway, 31 August – 2 September.

Moorkamp, M., C.K. Rao, and A.G. Jones. Joint inversion of magnetotelluric and receiver function data. EMTF Workshop

M. Moorkamp, Alan G. Jones and C.K. Rao. Examination and removal of repetitive noise on MT time series. Irish Geological Research Meeting, Dublin, 2005. Poster.

M. Moorkamp, C.K. Rao and A. G. Jones. Noise reduction in magnetotelluric recordings using adaptive filters, IPO Newbridge. Poster.

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Inkaba yeAfrica (Inkaba yeAfrica)

Weckmann, U., Ritter, O., de Wit, M., Jung, A., Branch, T. Magnetotelluric Measurements across the Magnetic Beattie Anomaly and the Southern Cape Conductive Belt in South Africa, Poster at EGU General Assembly, Vienna, Austria, April.

Weckmann, U., Ritter, O., Jung, A., Hübert, J., Kniess, U., Branch, T., Mabidi, T., Stankiewicz, J., de Wit, M. and Green, R. New Magnetotelluric Measurements Across The Beattie Magnetic Anomaly And The Southern Cape Conductive Belt, Inkaba yeAfrica workshop, Cape Town, 29 May – 1 June.

Ritter, O., Frimmel, H., Branch, T., Green, R., Jung, A., Rohwer, M., Ryberg, T., Schulze, A., Viljoen, J., Weber, M., Weckmann, U. and de Wit, M. Agulhas-Karoo Geoscience Transect: Status And First Results of the Geophysical and Geological Onshore Transect, Inkaba yeAfrica workshop, Cape Town, 29 May – 1 June.

Weckmann, U., O. Ritter, T. Branch, A. Jung, and M. de Wit. MT measurements across the Beattie magnetic anomaly and the Southern Cape Conductive Belt, South Africa. 21. EMTF-Kolloquium 2005 in Holle, Germany.

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Marine EM

Garcia, X., A.G. Jones, R. Evans, and C. Brown. Marine EM studies in Ireland. 48th IGRM conference, 18-20 February 2005, TCD, Dublin

SAMTEX (Southern African Magnetotelluric Experiment)

Jones, A.G., R.L. Evans, S. Fourie, S. Evans, A. Mountford, X. Garcia, J. Spratt, A.D. Chave, and the SAMTEX Team. Comparison of the electromagnetic structure of Archean cratons: Project SAMTEX. South African Geophysical Association (SAGA) meeting, Cape Town, South Africa, 14-16 September.

Hamilton, M., A.G. Jones, R.L. Evans, X. Garcia, C.J.S. Fourie, S.F. Evans, S.J. Webb, and the SAMTEX MT Team. Electrical anisotropy across southern Africa from MT studies. South African Geophysical Association (SAGA) meeting, Cape Town, South Africa, 14-16 September.

Cole, J., P. Cole, A. G. Jones, R.L. Evans, X. Garcia, C.J.S. Fourie, C. Smith, A. Mountford, S. J. Webb, and the SAMTEX MT team. Application of wavelet transform de-noising techniques to geophysical data. South African Geophysical Association (SAGA) meeting, Cape Town, South Africa, 14-16 September.

Muller, M.R., S.J. Webb, A.G. Jones, W.H.B. Steenkamp, P. Kowalczyk, R.L. Evans, C.J.S. Fourie, C. Smith, A. Mountford, and the SAMTEX team. Deep-crustal electrical imaging beneath the Vredefort impact structure, South Africa, using broadband magnetotellurics. South African Geophysical Association (SAGA) meeting, Cape Town, South Africa, 14-16 September.

Jones, A.G., R.L. Evans, X. Garcia, M.P. Hamilton, S. Evans, S. Fourie, A. Mountford, J. Spratt, A. Chave and the SAMTEX Team. A magnetotelluric survey of the Kaapvaal Craton and its surroundings: The SAMTEX experiment. Fall AGU, San Francisco, USA, 12-16 December.

Garcia, X., A.G. Jones, R.L. Evans, S. Evans, S. Fourie, A. Mountford, and the SAMTEX Team. The electrical lithosphere of the Archean: Insights from the Kaapvaal craton and elsewhere. Fall AGU, San Francisco, USA, 12-16 December.

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3D MT modelling/inversion

Avdeev, D. B. Three-dimensional electromagnetic inversion: State-of-the-art, Cosmogrid Conference, 19 January 2005, UCD, Dublin, Ireland.

Avdeeva, A. D. Implementation of a quasi-Newton method for 1-D magnetotelluric inversion, 48th IGRM conference, 18-20 February 2005, TCD, Dublin, Ireland.

Avdeev, D. B. Basics of EM inversion, SAMTEX Workshop, 16 May 2005, DIAS, Dublin, Ireland

Avdeeva, A. D. A quasi-Newton inversion for 1-D magnetotellurics, BGA conference, 1-2 September 2005, Galway, Ireland.

Other Conferences and Workshops

Jones, A.G. Geophysics at DIAS: overview of activities. Irish Geological Research Meeting, Trinity College Dublin, Dublin, 19-20 February.

U. Weckmann. Phase split: evidence for mantle anisotropy? 21. EMTF-Kolloquium 2005 in Holle, Germany.

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