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Department of Earth Sciences/Geophysics/Earthquake seismology: Ari Tryggvason

Ari Tryggvason

Peer-reviewed publications

[38] A. Tryggvason, C. Schmelzbach, and C. Juhlin, 2009. Traveltime tomographic inversion with simultaneous static corrections - well worth the effort. Geophysics. (accepted).
[37] Malehmir, A., C. Schmelzbach, E. Bongajum, G. Bellefleur, C. Juhlin, and A. Tryggvason, 2009. 3D constraints on a possible deep > 2.5 km massive sulphide mineralization from 2D crooked-line seismic reflection data in the Kristineberg mining area, nrthern Sweden. Tectonophys. (in press), doi:10.1011/j.tecto.2009.08.013.
[36] Hübert, J., A. Malehmir, M. Smirnow, A. Tryggvason, and L.B. Pedersen, 2009. MT measurements in the western part of the Paleoproterozoic Skellefte Ore District, Northern Sweden: A contribution to an integrated geophysical study. Tectonophys. (in press), doi:10.1011/j.tecto.2009.06.011.
[35] Stratford, W., H. Thybo, J.I. Faleide, O. Olesen, and A. Tryggvason, 2009. New Moho Map for onshore southern Norway. Geophys. J. Int. 178, pp. 1755-1765, doi:10.1111/j.1365-246X.2009.04240.x.
[34] Hreinnsdóttir, S., T. Arnadóttir, J. Decriem, H. Geirsson, A. Tryggvason, R.A. Bennett, and P. LaFemina, 2009. A complex earthquake sequence captured by the continous GPS network in SW Iceland. Geophys. Res. Let. 36, pp. L12309, doi:10.1029/2009GL038391.
[33] Jónsdóttir, K., R. Roberts, V. Pohjola, B. Lund, Z.H. Shomali, A. Tryggvason, and R. Bödvarsson, 2009. Lp-evens at Katla volcano, Iceland, are glacial and not volcanic in origin. Geophys. Res. Let. 36, pp. L11402, doi:10.1029/2009GL038234.
[32] Malehmir, A., H. Thunehed, and A. Tryggvason, 2009. The Paleoproterozoic Kristineberg mining area, northern Sweden: Results from integrated 3D geophysical and geologic modeling, and implications for targeting ore deposits. Geophysics 74. pp. B9, doi:10.1190/1.3008053.
[31] Yordkayhun, S., A. Tryggvason, B. Norden, C. Juhlin, and B. Bergman, 2009. 3D seismic traveltime tomography imaging of the shallow subsurface at the CO2SINK project site, Ketzin, Germany. Geophysics 74. pp. G1, doi:10.1190/1.3026553.
[30] Kashubin, A., A. Tryggvason, C. Juhlin, A.V. Rybalka, T.V. Kashubina, and I.G. Shkred, 2008. The Krasnouralsky profile in the Middle Urals, Russia: A tomographic approach to vintage DSS data. Tectonophys. 472:1-4, pp. 249-263, doi:10.1016/j.tecto.2008.08.026.
[29] Brown, D., C. Juhlin, C. Ayala, A. Tryggvason, F. Bea, J. Alvarez-Marron, R. Carbonell, D. Seward, U. Glasmacher, V. Puchkov, and A. Perez-Estaun, 2008. Mountain building processes during continent-continent collision in the Uralides. Earth-Sci. Rev. 89. pp. 177-195, doi:10.1016/j.earscirev.2008.05.001.
[28] Linde, N., A. Tryggvason, J.E. Peterson, and S.S. Hubbard, 2008. Joint inversion of crosshole radar and seismic traveltimes acquired at the South Oyster Bacterial Transport Site. Geophysics. 73:4. G29-G37, doi:10.1190/1.2937467.
[27] Hensch, M., C. Riedel, J. Reinhardt, T. Dahm, and the NICE-People, 2008. Hypocenter migration of fluid-induced earthquake swarms in the Tjörnes Fracture Zone (North Iceland). Tectonophys. 447:1-4. pp. 80-94, doi:10.1016/j.tecto.2006.07.015.
[26] Malehmir, A., A. Tryggvason, H. Lickorish, and P. Weihed, 2007. Regional structural profiles in the western part of the Palaeoproterozoic Skellefte Ore District, northern Sweden. Precambrian Res. 159:1-2. pp. 1-18, doi:10.1016/j.precamres.2007.04.011.
[25] Rodriguez-Tablante, J., A. Tryggvason, A. Malehmir, C. Juhlin, and H. Palm, 2007. Cross-profile acquisition and cross-dip analysis for extracting 3D information from 2D surveys, a case study from the western Skellefte District, northern Sweden. J. Appl. Geophys. 63:1, pp. 1-12, doi:10.1016/j.jappgeo.2007.03.001.
[24] Jónsdóttir, K., A. Tryggvason, R. Roberts, B. Lund, H. Soosalu, and R. Bödvarsson, 2007. Habits of a glacier-covered volcano: Seismicity patterns and velocity structure of Katla volcano, Iceland. Ann. Glaciol. 45. pp. 169-177.
[23] Tryggvason, A., A. Malehmir, J. Rodriguez-Tablante, C. Juhlin, and P. Weihed, 2006. Reflection seismic investigations in the western part of the Paleoproterozoic VHMS-bearing Skellefte district, northern Sweden. Econ. Geol. 101, pp. 1039-1054.
[22] Malehmir, A., A. Tryggvason, C. Juhlin, and P. Weihed, 2006. Seismic imaging and potential field modelling to delineate structures hosting VHMS deposits in the Skellefte Ore District, northern Sweden. Tectonophys. 426, pp. 319-334, doi:10.1016/j.tecto.2006.08.006.
[21] Linde, N., A. Binley, A. Tryggvason, L.B. Pedersen, and A. Revil, 2006. Improved hydrogeophysical characterization using joint inversion of crosshole electrical resistance and ground-penetrating radar traveltime data. Water Resour. Res. 42, W12404. doi:10.1029/2006WR005131.
[20] Riedel, C., A. Tryggvason, B. Brandsdóttir, T. Dahm, R. Stefánsson, M. Hensch, R. Bödvarsson, K.S. Vogford, S. Jakobsdóttir, T. Eken, R. Herber, J. Holmjarn, M. Schnese, M. Thölen, B. Hofmann, B. Sigurdsson, and S. Winter, 2006. First results from the North Iceland experiment. Mar. Geophys. Res. 27:267-281. doi:10.1007/s11001-006-9007-0.
[19] Bergman, B., A. Tryggvason, and C. Juhlin, 2006. Seismic tomography studies of cover thickness and near-surface bedrock velocities. Geophysics, 71(6):U77-U84. doi:10.1190/1.2345191.
[18] Tryggvason A., and N. Linde, 2006. Local earthquake (LE) tomography with joint inversion for P- and S-wave velocities using structural constraints. Geophys. Res. Lett., 33, L07303, doi:10.1029/2005GL025485.
[17] Tryggvason A., and B. Bergman, 2006. A travel time reciprocity inaccuracy in the time3d finite difference algorithm by Podvin & Lecomte. Geophys. J. Int., 165, pp. 432-435, doi: 10.1111/j.1365-246X.2006.02925.x.
[16] Brown, D., C. Juhlin, A. Tryggvason, . Friberg, A. Rybalka, V. Puchkov, and G. Petrov, 2006. Structural architecture of the Southern and Middle Urals foreland from reflection seismic profiles. Tectonics, 25, TC1002, doi:10.1029/2005TC001834.
[15] Bocin, A., R. Stephenson, A. Tryggvason, I. Panea, V. Mocanu, F. Hauser, and L. Matenco, 2005. 2.5 D seismic velocity modeling in the south-easter Romainan Carpathians Orogen and its foreland. Tectonophys., 410, pp. 273-291, doi:10.1016/j.tecto.2005.05.045.
[14] Riedel, C., A. Tryggvason, T. Dahm, R. Stefansson, R. Bödvarsson, and G.B. Gudmundsson, 2005. The seismic velocity structure north of Iceland from joint inversion of local earthquake data. J. Seismol., 9:4, pp. 383-404, doi:10.1007/s10950-005-8721-45.
[13] Bergman, B., A. Tryggvason, and C. Juhlin. 2004. High-resolution seismic tomography incorporating static corrections applied to a till covered bedrock environment. Geophysics, 69(4):1082-1090. doi:10.1190/1.1778250.
[12] Brown. D., C. Juhlin, A. Tryggvason, D. Steer, P. Ayarza, M. Beckholmen, A. Rybalka, and M. Bliznetsov, 2002. The crustal architecture of the Southern and Middle Urals from the URSEIS, ESRU, and Alapaev reflection seismic surveys. In: Mountain Building in the Uralides: Pangea to the Present. Geophys. Monograph, 132, American Geophysical Union, pp. 33-48.
[11] Marti, D., R. Carbonell, A. Tryggvason, J. Escuder, and A. Perez-Eastaún, 2002. Calibrating 3D tomograms of a granitic pluton. Geophys. Res. Lett., 29:17, doi:10.1029/2001GL012942.
[10] Marti, D., R. Carbonell, A. Tryggvason, J. Escuder, and A. Perez-Eastaún, 2002. Mapping brittle fracture zones in three dimensions: high-resolution seismic travel time tomography in a granitic pluton. Geophys. J. Int., 149, pp. 95-105, doi:10.1046/j.1365-246X.2002.01615.x.
[9] Tryggvason, A., S. Th. Rögnvaldsson, and Ó. G. Flóvenz, 2002. Three dimensional imaging of the P- and S-wave velocity structure and earthquake locations beneath southwest Iceland. Geophys. J. Int., 151, pp. 848-866, doi:10.1046/j.1365-246X.2002.01812.x.
[8] Tryggvason, A., D. Brown, and A. Perez-Estaún, 2001. Crustal architecture of the southern Uralides from true amplitude processing of the Urals Seismic Experiment and Integrated Studies (URSEIS) vibroseis profile. Tectonics, 20:6, pp. 1040-1052, doi:10.1029/2001TC900020.
[7] Brown D., and A. Tryggvason, 2001. Ascent mechanism of the Dzabyk batholith, southern Urals: constraints from URSEIS reflection seismic profiling. J. Geol. Soc., 158:6, pp. 881-884.
[6] Yao, Z. S., R. G. Roberts, and A. Tryggvason, 2001. Comment on "Explicit, approximate expressions for the resolution and a posteriori covariance for massive tomographic systems" by G. Nolet, R. Montelli and J. Virieux. Geophys. J. Int., 145, pp. 307-314, doi:10.1111/j.1365-246X.2001.00346.x.
[5] Yao, Z. S., R. G. Roberts, and A. Tryggvason, 1999. Calculating resolution and covariance matrices for seismic tomography with the LSQR method. Geophys. J. Int., 138, pp 293-299, doi:10.1046/j.1365-246x.1999.00925.x.
[4] Tryggvason, A., C.-E. Lund, and M. Friberg, 1998. A two dimensional seismic velocity model across the transition zone between the Baltic Shield and the North German Basin - the EUGENO-S profile 1 revisited. Tectonophys., 290, pp 47-58.
[3] Roberts, R. G., and A. Tryggvason, 1997. Phase-array decomposition of a seismic section. Geophys. J. Int., 128, pp. 241-252.
[2] Tryggvason, A., and C.-E. Lund, 1996. Interpretations of BABEL wide angle recordings from the Bothnian Sea area. In: The BABEL project: Final status report, pp. 115-118, eds. Meissner, R., Blundell, D., Snyder, D., and McBride, J., European Commission, EUR 16486 EN.
[1] Pederssen, L.B., A.Tryggvason, J. Schmidt and K. Gohl, 1992. Synthesis of geophysical data in the Bothnian Sea. In: The BABEL project: Final status report, pp. 59-64, eds. Meissner, R., Snyder, D., Balling, N., and Staroste, E., Commission of the European Communities, EUR 14429 EN.
Last update: 2009-09-16
Department of Earth Sciences/Geophysics, Villavägen 16, SE-752 36 Uppsala, SWEDEN, +46 18 471 23 88,