Refereed Papers

  1. Watanabe, Y., Tajika, E., and Ozaki, K. (2023b) Evolution of iron and oxygen biogeochemical cycles during the Precambrian. Geobiology. 00, 1-19. New!
  2. Watanabe, Y., Tajika, E., and Ozaki, K. (2023a) Biogeochemical transformations after the emergence of oxygenic photosynthesis and conditions for the first rise of atmospheric oxygen, Geobiology, 21, 537-555. New!
  3. Goto, K. T., Tejada, M.L.G., Tajika, E., Suzuki, K. (2023) Enhanced magmatism triggered the Miocene Climatic Optimum: Insights from Os isotopes, Commun Earth Environ, 4, Article number:21. New!
  4. Ozaki, K., Cole, D. B., Reinhard, C.T., and Tajika, E. (2022) CANOPS-GRB v1.0: a new Earth system model for simulating the evolution of ocean?atmosphere chemistry over geologic timescales, Geoscientific Model Development, 15, 7593?7639.
  5. Tada, T., Tada, R., Carling, P., Songtham, W., Chansom, P., Kogure, T., Chang, Y., Tajika, E. (2022) Identification of the Ejecta Deposit formed by the Australasian Tektite Event at Huai Om, Northeastern Thailand, Meteoritics & Planetary Science.
  6. Watanabe, Y., and Tajika, E. (2021) Atmospheric oxygenation of the early earth and earth-like planets driven by competition between land and seafloor weathering, Earth, Planets and Space,
  7. Harada, M., Akiyama, A., Furukawa, R., Yokobori, S., Tajika, E., and Yamagishi, A. (2021) Evolution of superoxide dismutases and catalases in cyanobacteria: occurrence of the antioxidant enzyme genes before the rise of atmospheric oxygen, Journal of Molecular Evolution, 89, 527-543.
  8. Tada, T., Tada, R., Chansom, P., Songtham, M., Carling, P., and Tajika, E. (2020) In-situ Occurrence of Muong Nong-type Australasian Tektite Fragments from the Quaternary Deposits near Huai Om, North-Eastern Thailand, Progress in Earth and Planetary Science, 7:66
  9. Kadoya, S. and Tajika, E. (2019) Outer limits of the habitable zone in terms of climate mode and climate evolution of Earth-like planets, The Astrophysical Journal, 875:7(11pp). DOI:10.3847/1538-4357/ab0aef.
  10. Tajika, E. and Harada, M. (2019) Great Oxidation Event and Snowball Earth, in Astrobiology -From the Origins of Life to the Search for Extraterrestrial Intelligence (eds. Yamagish, A., Kakegawa, T. and Usui, T.), Springer Nature,
  11. Ozaki, K., Reinhard, C.T., and Tajika, E. (2019) A sluggish mid-Proterozoic biosphere and its effect on Earth’s redox balance, Geobiology, 17, 3-11,
    Top Cited Article 2019-2020 in Geobiology/ Top Downloaded Paper 2018-2019
  12. Chang, Y., Goto, K., Sekine, Y., and Tajika, E. (2018) Depositional processes of impactites from the YAX-1 drill core in the Chicxulub impact structure inferred from vertical profiles of PDF orientations and grain size distributions of shocked quartz, Meteoritics & Planetary Science, 53, Nr 7, 1323–1340.
  13. Tajika, E. and Harada, M. (2017) A possible relationship between the Great Oxidation event and the Paleoproterozoic snowball Earth event, Viva Origino, 45, No.5(pp.1-5).
  14. Ozaki, K., Tajika, E., Hong, P.K., Nakagawa, Y., and Reinhard, C.T. (2017) Effects of primitive photosynthesis on Earth’s early climate system, Nature Geoscience, 11, 55–59, doi:10.1038/s41561-017-0031-2.
  15. Kadoya, S., and Tajika, E. (2016) Evolutionary tracks of the climate of Earth-like planets around different mass stars, The Astrophysical Journal Letters, 825:L21, doi:10.3847/2041-8205/825/2/L21. [PDF]
  16. Kadoya, S. and Tajika, E. (2015) Evolutionary climate tracks of Earth-like planets, The Astrophysical Journal Letters, 815:L7, doi:10.1088/2041-8205/815/1/L7. [PDF]
  17. Harada, M., Tajika, E., and Sekine, Y. (2015) Transition to an oxygen-rich atmosphere with an extensive overshoot triggered by the Paleoproterozoic snowball Earth, Earth and Planetary Science Letters, 419, 178-186. [PDF]
  18. Kamata, S., Sugita, S., Abe, Y., Ishihara, Y., Harada, Y., Morota, T., Namiki, N., Iwata, T., Hanada, H., Araki, H., Matsumoto, K., Tajika, E., Kuramoto, K., and Nimmo F. (2015) The relative timing of Lunar Magma Ocean solidi cation and the Late Heavy Bombardment inferred from highly degraded impact basin structures, Icarus, 250, 492-503. [PDF]
  19. Kadoya, S. and Tajika, E. (2014) Conditions for oceans on Earth-like planets orbiting within habitable zone: Importance of volcanic CO2 degassing, The Astrophysical Journal, 790, 107-113. [PDF]
  20. Goto, G. T., Sekine Y., Suzuki, K., Tajika E., Senda, R., Nozaki, T., Tada, R., Goto, K. Yamamoto, S., Maruoka, T., Ohkouchif, N., and Ogawa, N.O. (2013) Redox conditions in the atmosphere and shallow marine environments during the first Huronian deglaciation: insights from Os isotopes and redox-sensitive elements, Earth and Planetary Science Letters, 376, 145-154. [PDF]
  21. Ozaki, K. and Tajika, E. (2013) Long-term biogeochemical effects of atmospheric oxygen concentration and sea-level stand on oceanic redox chemistry, Earth and Planetary Science Letters, 373, 129-139. [PDF]
  22. Kamata, S., Sugita,S., Abe, Y., Ishihara, Y., Harada, Y., Morota, T., Namiki, N., Iwata, T., Hanada, H., Araki, H., Matsumoto, K., and Tajika, E. (2013) Viscoelastic deformation of lunar impact basins: Implications for heterogeneity in the deep crustal paleo-thermal state and radioactive element concentration, Journal of Geophysical Research, 118, 398-415, doi:10.1002/jgre.20056, 2013. [PDF]
  23. Sakuma, H., R. Tada, M. Ikeda, Y. Kashiyama, N. Ohkouchi, N. O. Ogawa, S. Watababe, E. Tajika, and S. Yamamoto (2012) High-resolution lithostratigraphy and organic carbon isotope stratigraphy of the Lower Triassic pelagic sequence in central Japan, Island Arc, 21, 79-100. [PDF]
  24. Sekine, Y. Suzuki, K.. Senda, R., Goto, K. T., Tajika, E., Tada, R., Goto, K., Yamamoto, S., Ohkouchi, N., Ogawa, N. O., and Maruoka, T. (2011) Osmium evidence for synchronicity between a rise in O2 and Palaeoproterozoic deglaciation, Nature Communications 2:502 doi: 10.1038/ncomms1507. [PDF]
  25. Goto, K., and Tajika, E. (2011) Mass Extinction caused by an Extraterrestrial Impact -Why was it happened only at the Cretaceous/Paleogene boundary?-, Jour. Geol. Soc. Japan, 117, 193-203.(in Japanese with English abstract)[PDF]
  26. Kashiyama, Y., Ozaki, K., and Tajika, E. (2011) Impact of the evolution of carbonate ballasts on marine biogeochemistry in the Mesozoic and associated changes in energy delivery to subsurface waters, Paleontological Research, 15, 89-99. [PDF]
  27. Sekine, Y., Tajika, E., Tada, R., Hirai, T., Goto, K.T., Kuwatani, T., Goto, K., Yamamoto, S., Tachibana, S., Isozaki, Y. and Kirschvink, J.L. (2011) Manganese enrichment in the Gowganda Formation of the Huronian Supergroup: A highly oxidizing shallow-marine environment after the last Huronian glaciation, Earth and Planetary Science Letters, 307, 201-210, 2011. doi:10.1016/j.epsl.2011.05.001 [PDF]
  28. Ozaki, K., Tajima, S., and Tajika, E. (2011) Conditions required for oceanic anoxia/euxinia: Constraints from a one-dimensional ocean biogeochemical cycle model, Earth and Planetary Science Letters, 204, 270-279. doi:10.1016/j.epsl.2011.02.011. [PDF].
  29. Oka, A., Tajika, E., Abe-Ouchi, A., and Kubota, L. (2010) Role of the ocean in controlling atmospheric CO2 concentration in the course of global glaciations, Climate Dynamics DOI 10.1007/s00382-010-0959-z. [PDF].
  30. Sekine, Y., Tajika, E., Ohkouchi, N., Ogawa, N.O., Goto, K., Tada, R., Yamamoto, S., and Kirschvink, J.L. (2010) Anomalous negative excursion of carbon isotope in organic carbon after the last Paleoproterozoic glaciation in North America, Geochemistry Geophysics Geosystems 11, Q08019, doi:10.1029/2010GC003210. [PDF]
  31. Misumi, K., Yamanaka, Y., and Tajika, E. (2009) Numerical simulation of atmospheric and oceanic biogeochemical cycles to an episodic CO2 release event: implications for the cause of mid-Cretaceous Ocean Anoxic Event-1a, Earth Planet. Sci. Lett., 286, 316-323. [PDF]
  32. Yamamoto, A., Yamanaka, Y., and Tajika, E. (2009) Modeling of methane bubbles released from large sea-floor area: Condition required for methane emission to the atmosphere, Earth Planet. Sci. Lett., 284, 590-598. [PDF]
  33. Tajika, E. (2008) Theoretical constraints on early Earth’s environment, Viva Origino, 36, 55-60. [PDF]
  34. Nakano, Y., Goto, K., Matsui, T., Tada, R., and Tajika, E. (2008) PDF orientations in shocked quartz grains around the Chicxulub crater, Meteoritics & Planetary Science, 43, 745-760. [PDF]
  35. Tajika, E. (2008) Snowball planets as a possible type of water-rich terrestrial planets in the extrasolar planetary system, Astrophysical Journal Letters, 680, L53-L56. [PDF]
  36. Goto, K., Tada, R., Tajika, E., and Matsui, T. (2008) Deep-sea tsunami deposits in the proto-Caribbean sea at the Cretaceous/Tertiary boundary, In Tsunamiites – Features and implications (Shiki, T., Tsuji, Y., Yamazaki, T., and Minoura, K. eds.), 251-276, Elsevier, pp.432.
  37. Goto, K., Tada, R., Tajika, E., Matsui, T., Yamamoto, S., Nakano, Y., Oji, T., Kiyokawa, S., Gracia-Delgado, D. E., Otero, C. D., Consuegra, R. R. (2008) Lateral lithological compositional variations of the Cretaceous/Tertiary deep-sea tsunami deposits in northwestern Cuba, Cretaceous Res., 29, 217-236. [PDF]
  38. Tajika, E. (2007) Snowball Earth events and evolution of life, Journal of Geography, 116, 79-94. (in Japanese with English abstract)[PDF]
  39. Tajika, E. (2007) Long-term stability of climate and global glaciations throughout the evolution of the Earth, Earth, Planets, and Space, 59, 293-299. [PDF]
  40. Matsuoka, K., Tajika, E., Tada, R., and Matsui, T. (2007) Carbon cycle during the Paleocene/Eocene thermal maximum: Reconstruction from a marine biogeochemical carbon cycle model, Journal of Geography, 115, 715-726. (in Japanese with English abstract)[PDF]
  41. Kurahashi-Nakamura, T., and E. Tajika (2006) Atmospheric collapse and transport of carbon dioxide into the subsurface on early Mars, Geophys. Res. Lett., 33, L18205, doi:10.1029/2006GL027170. [PDF]
  42. Isaac A. H., Kirschvink, J. L., Tajika, E., Tada, R., Hamano, Y., and Yamamoto, S. (2005) A negative fold test on the Lorrain Formation of the Huronian Supergroup: Uncertainty on the paleolatitude of the Paleoproterozoic Gowganda glaciation and implications for the great oxygenation event, Earth Planet. Sci. Lett., 232, 315-332. [PDF]
  43. Kurahashi-Nakamura, T., and Tajika, E. (2005) Evolution of the climate of Mars: effects of ice sheets, Journal of Japanese Society of Snow and Ice, 67, 133-145. (in Japanese with English abstract)
  44. Goto, K., Tajika, E., Tada, R., and Matsui, T. (2004) Formation of a large oceanic impact crater and generation of impact tsunamis at the Cretaceous/Tertiary boundary, J. Japan. Soc. Planet. Sci., 13, 241-248. (in Japanese)[PDF]
  45. Tajika, E. (2004) Analysis of carbon cycle system during the Neoproterozoic: Implication for snowball Earth events, In The Extreme Proterozoic: Geology, Geochemistry, and Climate (Jenkins, G., McMenamin, M., Sohl, L., and Mckay, C. eds.), Geophysical Monograph Series, 146, 45-54, American Geophysical Union, pp.220. [PDF]
  46. Goto, K., Tada, R., Tajika, E., Bralower T. J., Hasegawa T., and Matsui T. (2004) Evidence for ocean water invasion into the Chicxulub crater at the Cretaceous/Tertiary boundary, Meteoritics & Planetary Science, 39, 1233-1247. [PDF]
  47. Tada, R., Iturralde-Vinent, M. A., Matsui, T., Tajika, E., Oji, T., Goto, K., Nakano, Y., Takayama, H., Yamamoto, S., Kiyokawa, S., Toyoda, K., Garcia-Delgado, D., Diaz-Otero, C., and Rojas-Consuegra, R. (2003) K/T boundary deposits in the Paleo-western Caribbean basin, in C. Bartolini, R. T. Buffler, and J. Blickwede, eds., The Circum-Gulf of Mexico and the Caribbean: Hydrocarbon habitats, basin formation, and plate tectonics: AAPG Memoir, 79, 582-604. [PDF]
  48. Tajika, E. (2003) Faint young Sun and the carbon cycle: Implication for the Proterozoic global glaciations, Earth Planet. Sci. Lett., 214(3-4), 443-453. [PDF]
  49. Tajika, E. and Yamanaka, Y. (2003) Earth system variations during the Cretaceous, Fossils (Palaeontological Society of Japan), 74, 25-33. (in Japanese with English abstract)
  50. Nakamura, T., and Tajika, E. (2003) Climate change of Mars-like planets due to obliquity variations: implications for Mars, Geophys. Res. Lett., 30(13), 1685, doi:10.1029/2002GRL016725. [PDF]
  51. Ikeda, T., and Tajika, E. (2002) Carbon cycling and climate change during the last glacial cycle inferred from the isotope records using an ocean biogeochemical carbon cycle model, Global and Planetary Change, 35, 131-141. [PDF]
  52. Nakamura, T., and Tajika, E. (2002) Stability of the Martian climate system under the seasonal change condition of solar radiation, J. Geophys. Res., 107(E11), 10.1029/2001JE001561. [PDF]
  53. Kiyokawa, S., Tada, R., Iturralde-Vinent, M., Matsui, T., Tajika, E., Gracia, D., Yamamoto, S., Oji, T., Nakano, Y., Goto, H., Takayama, H., and Rojas, R. (2002) More than 700 m thick K/T boundary sequence of the Cacarajicara Formation, Western Cuba. Ejecta induced high-energy flow deposit, In Catastrophic Events and Mass Extinctios: Impacts and Beyond (Koeberl C., and MacLeod, K. G. eds.), Geological Society of America Special Paper 356, 125-144, 746pp.
  54. Tada, R., Nakano, Y., Iturralde-Vinent, M., Yamamoto, S., Kamata, T., Toyoda, K., Tajika, E., Kiyokawa, S., Gracia, D., Oji, T., Goto, K., Takayama, H., Rojas, R., and Matsui, T. (2002) Complicated tsunami waves suggested by the Cretaceous/Tertiary boundary deposit at Moncada section, western Cuba, In Catastrophic Events and Mass Extinctios: Impacts and Beyond (Koeberl C., and MacLeod, K. G. eds.), Geological Society of America Special Paper 356, 109-124, 746pp.
  55. Matsui, T., Imamura, F., Tajika, E., Nakano, Y., and Fujisawa, Y. (2002) Generation and propagation of a tsunami from the Cretaceous/Tertiary impact event, In Catastrophic Events and Mass Extinctios: Impacts and Beyond (Koeberl C., and MacLeod, K. G. eds.), Geological Society of America Special Paper 356, 69-78, 746pp. [PDF]
  56. Ikeda, T., Tajika, E., and Tada, R. (2002) Carbon cycle during the last 315,000 years: reconstruction from a marine carbon cycle model, Global and Planetary Change, Global and Planetary Change, 33, 1-13. [PDF]
  57. Goto, K., Tajika, E., Tada, R., Matsui, T., Takayama, H., Iturrade-Vinent, M.A., Nakano, Y., Yamamoto, S., Kiyokawa, S., and Oji, M. (2002) Sedimentary Structure of the Deep-Sea Tsunami Deposit and Its Variation with Depth, Proceedings of Coastal Engineering (JSCE), 49, 286-290. (in Japanese with English abstract)
  58. Tajika, E. (2002) The snowball Earth phenomena, J. Japan. Soc. Planet. Sci., 11, 5-12. (in Japanese)
  59. Nakamura, T., and Tajika, E. (2001) The Martsian climate system: its stability and evolution, J. Japan. Soc. Planet. Sci., 10, 192-201. (in Japanese)
  60. Nakamura, T., and Tajika, E. (2001) Stability and evolution of the Martian climate, Earth, Planet and Space, 53, 851-859. [PDF]
  61. Takayama, H., Tada, R., Matsui, T., Iturralde-Vinent, M. A., Oji, T., Tajika, E., Kiyokawa, S., Garcia, D., Okada, H., Hasegawa, T., and Toyoda, K. (2000) Origin of the Penalver Formation in northwestern Cuba and its relation to K/T boundary impact event, Sediment. Geol., 135, 295-320. [PDF]
  62. Yamakita, S., Kadota, N., Kato, T., Tada, R., Ogihara, S., Tajika, E., and Hamada, Y. (1999) Confirmation of the Permian/Triassic boundary in deep-sea sedimentary rocks: Earliest Triassic conodonts from black carbonaceous claystone of the Ubara section in the Tamba Belt, Southwest Japan. Jour. Geol. Soc. Japan, 105, 895-898.
  63. Tajika, E. (1999) Continuous degassing and climate stability during the Earth’s history: constraints from a carbon geochemical cycle model, Chikyukagaku (Geochemistry), 33, 255-263. (in Japanese with English abstract)
  64. Tajika, E. (1999) Carbon cycle and climate change during the Cretaceous inferred from a carbon biogeochemical cycle model, The Island Arc, 8, 293-303. [PDF]
  65. Ikeda, T., and Tajika, E. (1999) A study of the energy balance climate model with CO2-dependent outgoing radiation: implication for the glaciation during the Cenozoic, Geophys. Res. Lett., 26, 349-352. [PDF]
  66. Tajika, E. (1998) Mantle degassing of major and minor volatile elements during the Earth’s history, Geophys. Res. Lett., 25, 3991-3994. [PDF]
  67. Tajika, E. (1998) Climate change during the last 150 million years: Reconstruction from a carbon cycle model, Earth Planet. Sci. Lett., 160, 695-707. [PDF]
  68. Yamanaka, Y. and Tajika, E. (1997) The role of dissolved organic matter in the marine biogeochemical cycle: Studies using an ocean biogeochemical general circulation model, Global Biogeochemical Cycles, 11, 599-612.[PDF]
  69. Yamanaka, Y. and Tajika, E. (1996) The role of the vertical fluxes of particulate organic matter and calcite in oceanic carbon cycle: Studies using an ocean biogeochemical general circulation model, Global Biogeochemical Cycles, 10, 361-382. [PDF]
  70. Tajika, E. (1996) Behaviours of water in the origin and evolution of the Earth, J. Min. Soc. Japan, 25, 151-161. (in Japanese with English abstract)
  71. Tajika, E. and Sasaki, S. (1996) Magma generation on Mars constrained from an 40Ar degassing model, J. Geophys. Res., 101, 7543-7554. [PDF]
  72. Sasaki, S. and Tajika, E. (1995) Degassing history and evolution of volcanic activities of terrestrial planets based on radiogenic noble gas degassing models, In Volatiles in the Earth and Solar System (Farley, K. A. edit), pp. 186-199, American Institute of Physics, New York, 290pp. [PDF]
  73. Sasaki, S. and Tajika, E. (1995) Evolution of volcanic activities on Venus and Mars from noble gas degassing, J. Seismol. Soc. Jpn., 48, 119-129. (in Japanese with English abstract)
  74. Tajika, E. and Matsui, T. (1993) Evolution of seafloor spreading rate based on 40Ar degassing history, Geophys. Res. Lett., 20, 851-854. [PDF]
  75. Tajika, E. and Matsui, T. (1993) Degassing history and carbon cycle: From an impact-induced steam atmosphere to the present atmosphere, Lithos, 30, 267-280. [PDF]
  76. Tajika, E. and Matsui, T. (1992) Evolution of terrestrial proto-CO2-atmosphere coupled with thermal history of the Earth, Earth Planet. Sci. Lett., 113, 251-266. [PDF]
  77. Tajika, E. and Matsui T. (1990) The evolution of the terrestrial environment, In Origin of the Earth (H. E. Newsom and J. H. Jones eds.), pp. 347-370, Oxford Univ. Press, New York, N.Y., 378pp. [PDF]