Experimental investigation of Earth's environmental perturbations due to meteoritic impacts

2008 Fiscal Year Final Research Report

• Project/Area Number: 19340134
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Meteorology/Physical oceanography/Hydrology
• Research Institution: The University of Tokyo
• Principal Investigator: MATSUI Takafumi The University of Tokyo, 大学院・新領域創成科学研究科, 教授 (80114643)
• Co-Investigator(Kenkyū-buntansha): ABE Ayako 東京大学, 気候システム研究センター, 准教授 (30272537) ; SUGITA Seiji 東京大学, 大学院・新領域創成科学研究科, 准教授 (80313203) ; OHNO Sohsuke 千葉工業大学, 惑星探査研究センター準備室, 研究員 (80432631)
• Project Period (FY): 2007 – 2008
• Keywords: 地球環境システム

Research Abstract

本研究では, 堆積岩及び各種氷の衝突脱ガス過程における化学反応過程の解明を目的として実験を行った. また, 脱ガス過程からの反応生成物が, 地球気候システムに及ぼす影響の定量的評価を行った. 結果として, (1)衝撃脱ガスによるCO2の発生は, 先行研究の推定より非常に高圧でのみ起きることと(2)白亜期末の巨大隕石衝突後には, 従来想定されていたCO2の大量発生ではなくCOが大量に発生したらしいこと, (3)COが大量発生した場合には, 強力な温室効果が起きることが分かった.

Research Products

• [Journal Article] Rotational-Temperature Measurements of Chemically Reacting CN using Band-Tail Spectra(in press) (2009)
  • Author(s): Kurosawa, K., S. Sugita, K. Fujita, K. Ishibashi, T. Kadono, S. Ohno, T. Matsui
  • Journal Title: AIAA J
  • Peer Reviewed
• [Journal Article] Direct measurements of chemical composition of shock-induced gases from calcite : an intense global warming after the Chicxulub impact due to the indirect greenhouse effect of carbon monoxide (2009)
  • Author(s): Kawaragi, K. Y. Sekine, T. Kadono, S. Sugita, S. Ohno, K. Ishibashi, K. Kurosawa, T. Matsui, S. Ikeda
  • Journal Title: Earth, Planet. Sci. Lett 282 Pages: 56-64
  • Peer Reviewed
• [Journal Article] 高出力レーザーを使った弾丸飛翔体加速および衝突実験 : 秒速10kmを越える衝突 (2009)
  • Author(s): 門野敏彦, 重森啓介, 境家達弘, 弘中陽一郎, 佐野孝好, 大谷一人, 藤原隆史, 持山智浩, 藤岡慎介, 黒澤耕介, 城下明之, 宮西宏併, 尾崎典雅, 関根康人, 杉田精司, 松井孝典, 橘省吾, 大野宗祐, 荒川政彦, 竹内拓, 中村昭子
  • Journal Title: 日本惑星科学会誌遊星人 18 Pages: 4-9
  • Peer Reviewed
• [Journal Article] Impact vaporization of rocks using a high-power laser (2008)
  • Author(s): Kadono T. K. Shigemori, S. Fujioka, K. Otani, T. Sano, Y. Sakawa1, H. Azechi, N. Ozaki, T. Kimura, K. Miyanishi, T. Endo, M. Arakawa, A. M. Nakamura, S. Sugita, and T. Matsui,
  • Journal Title: Proc. Fifth Intl. Conf. on Inertial Fusion Sci. and Applications, (IFSA2007), J. Phys. Conf. Ser 112 Pages: 042014
  • Peer Reviewed
• [Journal Article] Direct measurements of impact devolatilization of calcite using a laser gun (2008)
  • Author(s): Ohno, S., T. Kadono, K. Ishibashi, K. Kawaragi, S. Sugita, E. Nakamura, and T. Matsui
  • Journal Title: Geophys. Res. Lett 35, L13202, doi : 10. 1029/ 2008GL033796
  • Peer Reviewed
• [Journal Article] The role of organic haze in Titan's atmospheric chemistry II : Effect of heterogeneous reaction to the hydrogen budget and chemical composition of the atmosphere (2008)
  • Author(s): Sekine, Y., S. Lebonnois, H. Imanaka, T. Matsui, B. N. Khare, E. L.O. Bakes, C. P. McKay, and S. Sugita
  • Journal Title: Icarus 194 Pages: 201-211
  • Peer Reviewed
• [Journal Article] The role of organic haze in Tita's atmospheric chemistry I : Laboratory investigation on heterogeneous reaction of atomic hydrogen with Titan tholin (2008)
  • Author(s): Sekine, Y., H. Imanaka, T. Matsui, B. N. Khare, E. L.O. Bakes, C. P. McKay, and S. Sugita
  • Journal Title: Icarus 194 Pages: 186-200
  • Peer Reviewed
• [Journal Article] タイタン大気における有機物エアロゾルの表面不均一反応とその役割 (2008)
  • Author(s): 関根康人, 今中宏, 杉田精司, セバスチャン レボノア, エマ ベイクス, ビシュン カレー, クリス マッケイ, 松井孝典
  • Journal Title: 日本惑星科学会誌 遊星人 17 Pages: 105-116
  • Peer Reviewed
• [Journal Article] レーザー銃実験と衝突脱ガスの新しい描像 (2008)
  • Author(s): 大野宗祐, 門野敏彦, 河原木皓, 石橋高, 黒澤耕介, 関根康人, 杉田精司, 中村栄三, 松井孝典
  • Journal Title: 日本惑星科学会誌 遊星人 17 Pages: 98-104
  • Peer Reviewed
• [Journal Article] Toward applications of LIBS to the lunar and asteroid explorations : Effects of laser pulse repetition rate (2008)
  • Author(s): Kamata, S., K. Kurosawa, S. Sugita, Y. Sekine, M. Yokoyama, K. Ozawa, and T. Matsui,
  • Journal Title: Proc. of 41th Lunar and Planet. Symp Pages: 159-162
• [Journal Article] Cyanide production by chemical reactions between impactor material and an ambient atmosphere after oblique impacts (2008)
  • Author(s): Kurosawa, K., Y. Sekine, S. Sugita, N. Ohkouchi, N. O. Ogawa, K. Ishibashi, T. Kadono, S. Ohno, and T. Matsui
  • Journal Title: Proc. of 41th Lunar and Planet. Symp Pages: 163-167
• [Journal Article] Impact Vaporization with a velocity larger than 10 km/s (2008)
  • Author(s): Kadono, T., Y. Hironaka, K. Otani, T. Sano, T. Fujiwawa, K. Takarada, A. Shiroshita, S. Fujioka, and K. Shigemori, T. Sakaiya, K. Miyanishi and N. Ozaki, K. Kurosawa, S. Sugita, and T. Matsui
  • Journal Title: Proc. of 40th ISAS Lunar Planet. Symp 41 Pages: 35-38
• [Journal Article] Non-intrusive measurements of crater growth (2008)
  • Author(s): Barnouin-Jha, O. S. , S Yamamoto, T. Toriumi, S. Sugita, and T. Matsui
  • Journal Title: Icarus 188 Pages: 506-521
  • Peer Reviewed
• [Journal Article] Spectroscopic observation of thermal dissociation of SiO_2 in impact-induced vapor (2008)
  • Author(s): Fuyuki, M., S. Sugita, S. Hasegawa, T. Kadono, and T. Matsui
  • Journal Title: Earth Planet. Space 59 Pages: 437-451
  • Peer Reviewed
• [Journal Article] HCN formation by the chemical interaction between high-speed impact fragments and a planetary atmosphere (2007)
  • Author(s): Kurosawa, K., K. Ishibashi, S. Sugita, T. Kadono, S. Ohno, and T. Matsui
  • Journal Title: Proc. of 40th ISAS Lunar Planet. Symp 40 Pages: 101-105
• [Presentation] Spectroscopic observations of a liquid-vapor phase change of silicate in the warm dense matter region (2009)
  • Author(s): Kurosawa, K., et.al.
  • Organizer: International Workshop on Warm Dense Matter 2009
  • Place of Presentation: Hakone
  • Year and Date: 20090516-19
• [Presentation] Determination of the Decomposition Boundary of CaCO_3 at High Temperature : Implications for Impact-induced Degassing of CaCO_3 (2009)
  • Author(s): Ishibshi, K, et.al.
  • Organizer: Lunar Planet. Sci. Conf., XXXX, #1569
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2009-03-26
• [Presentation] In-situ spectroscopic observation of silicate vaporization due to >10km/s impacts using a laser-driven launcher (2009)
  • Author(s): Sugita, S., et.al.
  • Organizer: Lunar Planet. Sci. Conf., XXXX, #2493
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2009-03-26
• [Presentation] Cyanide production by chemical reactions between impactor material and an ambient atmosphere after oblique impacts (2009)
  • Author(s): Kurosawa, K. et.al.
  • Organizer: Lunar Planet. Sci. Conf., XXXX, #1636
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2009-03-24
• [Presentation] Impact devolatilization of ammonium sulfate : implications for the origin of N2 in Titan's atmosphere (2009)
  • Author(s): Fukuzaki, S. et.al.
  • Organizer: Lunar Planet. Sci. Conf., XXXX, #1575
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2009-03-24
• [Presentation] Projectile acceleration to a velocity over the Earth's escape velocity and application in planetary science (2008)
  • Author(s): Kadono, T. et.al.
  • Organizer: American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting (Apr. 11-15), #S1.024
  • Place of Presentation: Huntsville, Tennessee, U.S.A.
  • Year and Date: 20080000
• [Presentation] Technique for acceleration of projectiles to a velocity larger than the escape velocity of Earth 11.2 km/s (2008)
  • Author(s): Kadono, T. et.al.
  • Organizer: AGU Fall Meeting, #P31A-1387
  • Place of Presentation: San Francisco, California, U.S.A
  • Year and Date: 2008-12-12
• [Presentation] An experimental study on HCN production in redox-neutral atmospheres by oblique impacts : size and velocity scaling (2008)
  • Author(s): Kurosawa, K., K. Ishibashi, S. Sugita, T. Kadono, S. Ohno, T. Matsui
  • Organizer: Lunar Planet. Sci. Conf., XXXIX, #2037
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2008-03-13
• [Presentation] Acceleration of projectiles to >10 km/s with a laser gun : Toward silicate impact vaporization experiments (2008)
  • Author(s): Sugita, S., T. Kadono, K. Shigemori, S. Fujioka, K. Otani, T. Sano, Y. Sakawa, H. Azechi, N. Ozaki, T. Kimura, K. Miyanishi, T. Endo, M. Arakawa, A. M. Nakamura, and T. Matsui
  • Organizer: Lunar Planet. Sci. Conf., XXXIX, #2501
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2008-03-11
• [Presentation] Constrants from laboratory experiments on crater excavation and formation of an uprange forbidden zone in an oblique impact (2008)
  • Author(s): Herrick, R. R., S. Yamamoto, O. S. Barnouin-Jha, S. Sugita, and T. Matsui
  • Organizer: Lunar Planet. Sci. Conf., XXXIX, #2305
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2008-03-11
• [Presentation] Impact devolatilization of calcite ; Direct measurements using a laser gun (2008)
  • Author(s): Ohno, S., T. Kadono, K. Ishibashi, K. Kawaragi, S. Sugita, E. Nakamura, T. Matsui
  • Organizer: Lunar Planet. Sci. Conf., XXXIX, #2046
  • Place of Presentation: Houston Texas, U.S.A.
  • Year and Date: 2008-03-10