アットウィキロゴ
Homepage of Yusuke Kawada
アットウィキロゴ
Homepage of Yusuke Kawada
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[Refereed Papers]

         [2004], [2006], [2007], [2008], [2009], [2012]

  1. Y. Kawada & H. Nagahama (2004) Viscoelastic behaviour and temporal fractal properties of lherzolite and marble: possible extrapolation from experimental results to the geological time-scale. Terra Nova, 16, 128-132.    [Abstract]
  2. J. Muto, Y. Kawada & H. Nagahama (2006) Micromorphic continuum with defects and Taylor-Bishop-Hill theory for polycrystals: anisotropic propagation of seismic waves and Golebiewska gauge. In: Teisseyre, R., Takeo, M. & Majewski, E. (eds.) Earthquake Source Asymmetry, Structural Media and Rotation Effects, Springer-Verlag, Berlin, Chapter 24, 317-328.    [Abstract]
  3. Y. Kawada & H. Nagahama (2006) Cumulative Benioff strain-release, modified Omori's law and transient behaviour of rocks. Tectonophysics, 424, 157-166.    [Abstract]
  4. Y. Kawada, H. Nagahama & H. Hara (2006) Irreversible thermodynamic and viscoelastic model for power-law relaxation and attenuation of rocks. Tectonophysics, 427, 255-263.    [Abstract]
  5. Y. Kawada, H. Nagahama, Y. Omori, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi (2007) Time-scale invariant changes in atmospheric radon concentration and crustal strain prior to a large earthquake. Nonlin. Processes Geophys., 13, 123-130.    [Abstract]     [PDF]
  6. Y. Kawada, H. Nagahama & N. Nakamura (2007) Time-scale invariances in preseismic electromagnetic radiation, magnetization and damage mechanics of rocks. Nat. Hazards Earth Syst. Sci., 7, 599-606.    [Abstract]     [PDF]
  7. Y. Omori, Y. Yasuoka, H. Nagahama, Y. Kawada, T. Ishikawa, S. Tokonami & M. Shinogi (2007) Anomalous radon exhalation linked to preseismic electromagnetic phenomena. Nat. Hazards Earth Syst. Sci., 7, 629-635.    [Abstract]     [PDF]
  8. Y. Yasuoka, H. Nagahama, T. Ishikawa, Y. Kawada, Y. Omori, S. Tokonami, T. Hashimoto & M. Shinogi (2008) Changes in radon exhalation before the Kobe earthquake. In: Miura, T. & Kinoshita, N. (eds.) Proceedings of the Eighth Workshop on Environmental Radioactivity, High Eneregy Accelrated Research Organization (KEK), Tsukuba, 138-142.
  9. Y. Yasuoka, H. Nagahama, T. Ishikawa, Y. Kawada, Y. Omori, S. Tokonami & M. Shinogi (2008) An anomalous increase in atmospheric radon prior to the Kobe earthquake. In: Hattori, K. & Telesca, L. (eds.) Electromagnetics in Seismic and Volcanic Areas, Yubunsha, Saitama, 29-34.
  10. T. Ishikawa, Y. Yasuoka, H. Nagahama, Y. Kawada, Y. Omori, S. Tokonami & M. Shinogi (2008) Radon Anomalies Prior to Earthquakes (I) - Review of Previous Studies -. Hoken Butsuri (Jpn. J. Health Phys.), 43, 103-111 (in Japanese with English abstract).    [Abstract]     [PDF]
    (In English, (2010) In: Yasuoka, Y., Nagahama, H. & Ishikawa, T. (eds.), Anomalous Radon Concentration Prior to an Earthquake, a Case Study on the 1995 Kobe Earthquake, Japan, Lambert, Saarbrücken, Germany, 1-13.)
  11. T. Ishikawa, Y. Yasuoka, H. Nagahama, Y. Kawada, Y. Omori, S. Tokonami & M. Shinogi (2008) Radon Anomalies Prior to Earthquakes (II) - Atmospheric Radon Anomaly Observed before the Hyogoken-Nanbu Earthquake -. Hoken Butsuri (Jpn. J. Health Phys.), 43, 253-267 (in Japanese with English abstract).    [Abstract]     [PDF]
    (In English, (2010) In: Yasuoka, Y., Nagahama, H. & Ishikawa, T. (eds.), Anomalous Radon Concentration Prior to an Earthquake, a Case Study on the 1995 Kobe Earthquake, Japan, Lambert, Saarbrücken, Germany, 15-39.)
  12. Y. Yasuoka, Y. Kawada, H. Nagahama, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi (2009) Preseismic changes in atmospheric radon concentration and crustal strain. Phys. Chem. Earth, 34, 431-434.    [Abstract]
  13. Y. Omori, H. Nagahama, Y. Kawada, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi (2009) Preseismic alteration of atmospheric electrical conditions due to anomalous radon emanation. Phys. Chem. Earth, 34, 435-440.    [Abstract]
  14. Y. Kawada, H. Nagahama, N. Uchida & T. Matsuzawa (2009) Afterslip associated with interplate earthquakes and the viscoelastic behavior of rocks. Jour. Geol. Soc. Japan, 115, 448-456 (in Japanese with English abstract).    [Abstract]     [PDF]
  15. Y. Yasuoka, Y. Kawada, Y. Omori, H. Nagahama, T. Ishikawa, S. Tokonami, M. Hosoda, T. Hashimoto, M. Shinogi (2012) Anomalous change in atmospheric radon concentration sourced from broad crustal deformation: A case study of the 1995 Kobe earthquake. Applied Geochemistry, 27, 825-830.    [Abstract]
  16. Y. Yasuoka, T. Ishikawa, H. Nagahama, Y. Kawada, Y. Omori, S. Tokonami & M. Shinogi (2012) Radon anomalies prior to earthquakes. In: Hayakawa, M. (ed.), The Frontier of Earthquake Prediction Studies, Nihon-Senmontosho-Shuppan, Tokyo, Japan, 410-427 (in Japanese with English abstract).
  17. Y. Yasuoka, T. Ishikawa, Y. Omori, Y. Kawada, H. Nagahama, S. Tokonami & M. Shinogi (2012) Anomalous Atmospheric Radon Variation before an Earthquake: A Case Study of the 1995 Kobe Earthquake, Japan, In: Li, Z. & Feng, C. (eds.), Handbook of Radon: Properties, Applications and Health, NOVA Sci. Pub., Hauppauge, USA.    [Abstract]     [PDF]

[Presentations (International Conferences)]

         [2003], [2004], [2005], [2006], [2007], [2008], [2009], [2010], [2012]

  1. Y. Kawada & H. Nagahama, A high-temperature viscoelastic constitutive law for rocks with transient behavior. EGS-AGU-EUG Joint Assembly (Nice, France, 06-11 April, 2003), EAE03-A-08126. Session: NP6 Data assimilation in Geophysics. In: Geophysical Research Abstracts, 5, 08126.
  2. Y. Kawada & H. Nagahama, Thermorheological constitutive laws for rocks with transient behavior. XXIII General Assembly of the International Union of Geodesy and Geophysics [IUGG 2003] (Sapporo, Japan, 30 June -11 July, 2003), JSS05/04A/A04-009. Session: JSS05 Physics and Chemistry of Earth Materials (IASPEI, IAVCEI, IAGA), Elasticity and anelasticity. In: Abstracts (week A), p. A.182.
  3. Y. Kawada, H. Nagahama & H. Hara, The mechanical phase transition model for the viscoelastic relaxation behaviour of rocks: introducing the "free-space volume for solids". 4th International Conference on Fractal and Dynamic Systems in Geoscience (Seeon, Germany, 19-22 May, 2004). In: Books of Abstracts, p. 47.
  4. Y. Kawada & H. Nagahama, Viscoelastic relaxation behaviours and temporal fractal properties for rocks and clays. Symposium: Tectonics on Human Time Scales (Sprockhövel, Germany, 01-04 June, 2004), Poster-85. In: Abstract volume, B. Stöckhert and G. Dresen (eds.), p. 171.
  5. J. Muto, Y. Kawada & H. Nagahama, Micromorphic continuum with defects and lattice preferred orientation: application to seismic anisotropy in polycrystals. Workshop on "Probing Earth Media Having Small-Scale Heterogeneities" (Sendai, Japan, 22 November, 2004), P06. In: Proceedings, pp. 58-61.
  6. Y. Kawada, H. Nagahama & H. Hara, Scaled Langevin equation and the inversion for viscoelastic behaviour of rocks. General Assembly of the European Geosciences Union 2005 [EGU2005] (Vienna, Austria, 24-29 April, 2005), EGU05-A-08365. Session: NP3.06 Dynamics of seismicity patterns and earthquake triggering. In: Geophysical Research Abstracts, 7, 08365.
  7. Y. Kawada, H. Nagahama & H. Hara, Viscoelastic behaviour of rocks, scaled Langevin equation and the inversion. 15th Conference on Deformation Mechanisms, Rheology and Tectonics [DRT2005] (Zürich, Switzerland, 2-4 May, 2005). Session: Scaling of Structures in Space and Time. In: Abstract Volume, p. 120.
  8. Y. Kawada, H. Nagahama & H. Hara, Scaled Langevin equation and the inversion for viscoelastic behavior of rocks in seismic time-scale: theoretical approach. 21COE International Symposium 2005, Spatial and Temporal Fluctuations in the Solid Earth,Clues to the Future of Our Planet (Sendai, Japan, 22-27 October, 2005), Sp-23. Session: Spatial and Temporal Fluctuations in the seismic phenomena. In: Abstracts, pp. 158-161.
  9. Y. Kawada & H. Nagahama, Temporal power-laws on preseismic activation and aftershock decay affected by transient behavior of rocks. The 4th International Workshop on Statistical Seismology [Statsei4] (Hayama (Kanagawa), Japan, 9-13 January, 2006). In: ISM Report on Research and Education, 23, pp. 142-145.
  10. Y. Kawada & H. Nagahama, Irreversible thermodynamics and time-scale invariance for viscoelastic behaviour of rocks. General Assembly of the European Geosciences Union 2006 [EGU 2006] (Vienna, Austria, 2-7 April, 2006), EGU06-A-06684. Session: NP3.07 Scaling, scale and nonlinearity in Solid Earth. In: Geophysical Research Abstracts, 8, 06684.
  11. Y. Kawada, H. Nagahama, Y. Omori, Y. Yasuoka & M. Shinogi, Irreversible thermodynamic model for accelerated moment release and atmospheric radon concentration prior to large earthquakes. The 2006 AGU Fall Meeting (San Francisco, USA, 11-15 December, 2006), NG51B-1022. Session: Spatiotemporal Evolution of Seismicity. In: Eos, Transactions, American Geophysical Union, 87, Fall Meeting Supplement, NG51B-1022.
  12. Y. Kawada, H. Nagahama & N. Nakamura, Temporal power-law change in rock magnetization prior to failure. General Assembly of the European Geosciences Union 2007 [EGU2007] (Vienna, Austria, 15-20 April, 2007), EGU2007-A-05946. Session: NH4.03 Deformation processes and accompanying mechanical and electromagnetic phenomena, for rocks and other materials, from the laboratory to the geophysical scale, Selected as "Paper of Special Interest as Identified by Session/Event Organizers" . In: Geophysical Research Abstracts, 9, 05946.
  13. Y. Omori, Y. Yasuoka, H. Nagahama, Y. Kawada, T. Ishikawa, S. Tokonami & M. Shinogi, Variation of electric parameters in atmosphere due to radon exhalation prior to a large earthquake. General Assembly of the European Geosciences Union 2007 [EGU2007] (Vienna, Austria, 15-20 April, 2007), EGU2007-A-05945. Session: NH4.02 Electric, magnetic and electromagnetic phenomena related to earthquakes. In: Geophysical Research Abstracts, 9, 05945.
  14. Y. Yasuoka, H. Nagahama, Y. Kawada, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi, An anomalous increase in atmospheric radon prior to the Kobe earthquake. Bilateral Seminar Italy-Japan on Electromagnetics in Seismic and Volcanic Areas (Chiba, Japan, 25-27 July, 2007). Session: A. Seismo-electromagentics. In: Abstracts, (2 pages).
  15. H. Nagahama, Y. Kawada, Y. Omori, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi, Earthquake precursory phenomenon: an anomalous increase in atmospheric radon concentration. EASTEC symposium 2007: Dynamic Earth -its origin and future- (Sendai, Japan, 18-21 September, 2007), ND-O03. Session: Mitigation of Natural Disaster. In: Program & Abstracts, pp. 201-204.
  16. Y. Omori, Y. Yasuoka, H. Nagahama, Y. Kawada, T. Ishikawa, S. Tokonami & M. Shinogi, Changes in atmospheric electrical conditions due to anomalous radon exhalation preceding large earthquakes. EASTEC symposium 2007: Dynamic Earth -its origin and future- (Sendai, Japan, 18-21 September, 2007), DE-P04. Session: Dynamics of Earthquakes. In: Program & Abstracts, pp. 57-60.
  17. Y. Omori, H. Nagahama, Y. Kawada, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi, Increases in radon exhalation and changes of atmospheric electric parameters accompanying percolation process in crust. International Workshop on Seismo-Electromagnetic Phenomena [IWSEP2007] (Bandung, Indonesia, 6-7 November, 2007). In: Abstracts, 31.
  18. Y. Kawada, H. Nagahama, Y. Yasuoka, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi, Power-law and log-periodic changes in precursory phenomena prior to large earthquakes. The 33rd International Geological Congress [33rd IGC] (Oslo, Norway, 6-14 August, 2008), MAG04108L. Session: MAG-04 Scales, Scaling, Non-linearity and Complexity in the Geosciences. In: Abstract CD-ROM.
  19. Y. Kawada, H. Nagahama, N. Uchida & T. Matsuzawa, Temporal power-laws in mechanical relaxation of rocks and afterslip associated with interplate earthquakes. The 2008 AGU Fall Meeting (San Francisco, USA, 15-19 December, 2008), T53C-1968. Session: T53C Base of the Crustal Seismogenic Zone. In: Eos, Transactions, American Geophysical Union, 89, Fall Meeting Supplement, T53C-1968.
  20. Y. Kawada, H. Nagahama, N. Uchida & T. Matsuzawa, Time-scale invariance in afterslip and mechanical relaxation of rocks. Frontiers of Seismology (Edinburgh, 2-3 April, 2009).
  21. Y. Kawada, M. Naylor, S. Touati & I. Main, On the origin of power-law rheology during the evolution of damage. General Assembly of the European Geosciences Union 2010 [EGU2010] (Vienna, Austria, 2-7 May, 2010), EGU2010-10111. Session: MPRG15/TS2.5 Scaling and localization during brittle rock failure. In: Geophysical Research Abstracts, 12, 10111.
  22. Y. Kawada, T. Yajima & H. Nagahama, Fractional order viscoelasticity and theoretical progress in rheological constitutive law for rocks. 2010 AGU Fall Meeting (San Francisco, 13-17 December, 2010), MR41A-1977. Session: MR41A Elasticity, Plasticity, and Mechanical Properties of Mantle Minerals.
  23. Y. Kawada, Rheological constitutive law for rocks and minerals with noninteger-order derivative. Soft Matter Physics and Solid Earth Sciences: Unifying Concepts (Tokyo, 5-8 June, 2012).
  24. Y. Kawada& T. Yamashita, Slip-weakening and -strengthening due to Fractional Poroelastic Effect in One Dimension Fault Slip Model. IUGG Conference on Mathematical Geophysics (Edinburgh, 18-22 June, 2012), CD23. Session: Crustal Dynamics.

[Presentations (Japanese Conferences)]

         [2003], [2004], [2005], [2006], [2007], [2008], [2009], [2010], [2011], [2012]

  1. Y. Kawada, H. Nagahama & H. Hara, The phase transition model on high-temperature viscoelastic behavior of rocks. The 110th Annual Meeting of the Geological Society of Japan (Shizuoka, 19-21 September, 2003), O-230.
  2. Y. Kawada, Viscoelastic behavior of rocks and its phase transition model. Fluid motion in mantle wedge and crust and the role / Seminor of Dynamics of Earthquakes and Volcanism Research Subgroup, the 21st Century COE Program "Advanced Science and Technology Center for Dynamic Earth", Tohoku University (Kami (Miyagi), 22-23 February, 2004).
  3. Y. Kawada, H. Nagahama & H. Hara, Viscoelastic relaxation behaviors for rocks and clays and their phase transition model. The 111st Annual Meeting of the Geological Society of Japan (Chiba, 18-20 September, 2004), O-129.
  4. H. Nagahama, J. Muto, Y. Kawada & T. Yajima, Seismic ray theory and Finsler geometry. The 111st Annual Meeting of the Geological Society of Japan (Chiba, 18-20 September, 2004), O-130.
  5. Y. Kawada, H. Nagahama & H. Hara, Viscoelastic behavior of rocks described by scaled Langevin equation and the inversion. 2005 Japan Earth and Planetary Science Joint Meeting (Chiba, 22-26, May, 2005), J064-P013.
  6. Y. Kawada, H. Nagahama & H. Hara, Long time tail for mechanical relaxation behavior of rocks and the response to earthquakes. The 112nd Annual Meeting of the Geological Society of Japan (Kyoto, 18-20 September, 2005), P-109.
  7. Y. Kawada & H. Nagahama, Irreversible thermodynamics for viscoelastic behavior of rocks and temporal seismicity patterns. Japan Geoscience Union Meeting 2006 (Chiba, 14-18 May, 2006), I142-P011.
  8. Y. Kawada & H. Nagahama, Strain-release process and nonlinear flow law of crustal rocks prior to a mainshock. The 113rd Annual Meeting of the Geological Society of Japan (Kochi, 16-18 September, 2006), P-70.
  9. H. Nagahama, Y. Kawada, Y. Omori, Y. Yasuoka & M. Shinogi, Strain-release process of crustal rocks and atmospheric radon concentration prior to a mainshock. The 113rd Annual Meeting of the Geological Society of Japan (Kochi, 16-18 September, 2006), P-71.
  10. Y. Yasuoka, H. Nagahama, T. Ishikawa, Y. Kawada, Y. Omori, S. Tokonami, T. Hashimoto & M. Shinogi, Changes in radon exhalation before the Kobe earthquake. The Eighth Workshop on Environmental Radioactivity (Tsukuba, 22-24 March, 2007) 12.
  11. Y. Kawada, H. Nagahama, Y. Omori, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi, Preseismic change in atmospheric radon concentration and crustal damage process. Japan Geoscience Union Meeting 2007 (Chiba, 19-24 May, 2007), S142-P006.
  12. H. Nagahama & Y. Kawada, Damage evolution of crust and radon emanation prior to a large earthquake. The 114th Annual Meeting of the Geological Society of Japan (Sapporo, 9-11 September, 2007), P-99, Awarded "the Excellent Presentation Prize of the GSJ"!
  13. Y. Yasuoka, Y. Kawada, H. Nagahama, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi, Relationships between radon exhalation and stress-strain prior to the 1995 Hyogoken-Nanbu Earthquake. 42th Annual Meeting of The Japan Health Physics Society (Ginowan, 26-27 June, 2008), AS-4, Awarded "the Kariyushi Prize (Excellent Oral Presentation Prize of the JHPS)"!
  14. Y. Yasuoka, Y. Kawada, H. Nagahama, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi, Coincidence between radon exhalation and stress-strain before the 1995 Hyogoken-Nanbu Earthquake. 55th Annual Meeting of the Geochemical Society of Japan (Tokyo, 17-19 September, 2008), 1B15 (10-04).
  15. H. Nagahama, Y. Kawada, Y. Yasuoka, Y. Omori, T. Ishikawa, S. Tokonami & M. Shinogi, Coupling change in crustal strain and atmospheric radon concentration prior to a large earthquake. The 115th Annual Meeting of the Geological Society of Japan (Akita, 20-22 September, 2008), P-97.
  16. Y. Kawada, H. Nagahama, N. Uchida & T. Matsuzawa, Temporal pattern in afterslip and mechanical relaxation of rocks, Japan Geoscience Union Meeting 2009 (Chiba, 16-21 May, 2009), J137-P001.
  17. Y. Omori, H. Nagahama, Y. Kawada, Y. Yasuoka, T. Ishikawa, S. Tokonami & M. Shinogi, Changes of atmospheric electrical conditions due to preseismic radon emanation: theoretical approach, Japan Geoscience Union Meeting 2009 (Chiba, 16-21 May, 2009), Z178-P004.
  18. Y. Yasuoka, H. Nagahama, Y. Kawada, Y. Omori, M. Shimo, T. Ishikawa, S. Tokonami, T. Hashimoto, M. Shinogi, Source of anomalous increase in atmospheric radon before the Kobe earthquake, 43th Annual Meeting of The Japan Health Physics Society (Higashiosaka, 3-4 June, 2009), A16.
  19. H. Nagahama, Y. Kawada, N. Uchida & T. Matsuzawa, Analysis of the temporal pattern of afterslip based on the constitutive law for viscoelastic behaviour of rocks. The 116th Annual Meeting of the Geological Society of Japan (Okayama, 4-6 September, 2009), P-83.
  20. Y. Kawada, M. Naylor, S. Touati & I. Main, Power-law rheology and microscopic heterogeneity. Japan Geoscience Union Meeting 2010 (Chiba, 16-21 May, 2010), SIT037-P09.
  21. Y. Kawada, T. Yajima, & H. Nagahama, Constitutive law of rock rheology with fractional order derivative. Japan Geoscience Union Meeting 2011 (Chiba, 22-27 May, 2011), SIT039-P12.
  22. Y. Kawada & H. Nagahama, Phenomenological constitutive law for transient rheological behavior of rocks and minerals. Japan Geoscience Union Meeting 2012 (Chiba, 20-25 May, 2012), SIT42-09.

[Others]

  1. Y. Kawada, Summer School of Seismology 2004 (Japan) (Naruko (Miyagi), Japan, 4-6 August, 2004).
  2. Y. Kawada, The Summer School in Complexity Science (Wye (Kent), United Kingdom, 9-17 July, 2007).
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最終更新：2012年06月02日 18:46